Xgrid Controller Unavailable

Podcast Producer and Xgrid live on the same box here and prior to Snow Leopard there was no trouble getting Podcast Producer connected to Xgrid. The server is connected to Active Directory, DNS responds correctly, user authentication is working fine, but it will not connect to Xgrid. I can connect to Xgrid with the Xgrid Admin tool using password authentication however.
Kerberos is functioning, but I would prefer to use a local user, not a domain user to run Xgrid tasks, but "Xgrid Controller service is unavailable on mymachine.mydomain.edu" no matter what I set Xgrid User Name and Xgrid User Password to, even when Xgrid is set to password authentication.
Any insight is appreciated. Thanks.
-James

Thanks David, that pointed me in the right direction at least.
Since it is somewhat complicated to get such an account created for our Active Directory as it is not directly managed by our department, I decided to disconnect from AD and run open directory standalone. Now it all authenticates correctly via kerberos locally, although I still need to resolve other mysterious issues as to why Xgrid is failing about 3/4 through the tasks I submit.

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Thanks in advance for the support,
Umut Tezduyar

You might get a better response to this in either the [OS X Server forum|http://discussions.apple.com/category.jspa?categoryID=96] or even the [Xgrid area!|http://discussions.apple.com/forum.jspa?forumID=722]

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Xgrid admin not recognising controller

Hi guys
I've recently upgraded to Snow Leopard (client not server, but thought best to post here anyway) and installed the updated server admin tools since the Leopard Xgrid admin I had was removed by the Snow Leopard installer. The new xgrid admin allows me to add the xgrid controller and password (and even gives an authentication failed message if I put the password in wrong) but shows the number of agents as 0 and lists no jobs. However, the command line xgrid stuff works perfectly - I can submit and retrieve jobs and use xgrid -job list as before. I didn't encounter any problems using the old version of xgrid admin. Anyone got any ideas for how to fix it?
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Oh no!
I think I have the very same problem.
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When I run "xgridagentd" on the Macbook Air agent, it spits out a list of commands indicated that it has connected to the controller successfully. "xgrid a status" gives "running/enabled".
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PcP2 and Xgrid

Hi,
Do you know how to configure xgrid controller for it sending an email to a change of status of a job.
Formerly (10.5) xgrid did that.
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Thank you

The property "Administrator Short Name" in PcP configuration is used to get xgrid notification email.
- so set "Administrator Short Name" to "pcpadmin" (or whatever user you use)
- set pcpadmin's email to [email protected] in "Workgroup Manager" [1]
this can be done with:
sudo pcastconfig --add_property 'Administrator Short Name' --value pcpadmin
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Why won't 'xgrid -grid list' work

I'm running OS X 10.4.9 on an Intel Mac. I have the XGrid controller turned on, and the agent turned on. When I try to list my grid, using the command line, as so:
xgrid -grid list
I get the 'usage' response as if I've typed something wrong. But the usage gives above as a valid option, so not sure what is going on.
Any thoughts?
Thanks.
PS: here is what I get when I do an 'xgridctl status':
17793 ?? Ss 0:02.86 xgridagentd
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Try using:
xgrid -h 127.0.0.1 -grid list
where 127.0.0.1 is the IP address or domain name of the computer you want to connect to; leaving the command as is will connect to the computer you're using.
(20634)

Xgrid for gzipping large files?

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I'm running an Xgrid, but not (yet) developing software for it. (We're using it for medial imaging.)
Xgrid works best for stuff that can be split into small junks. So if you regard your 2GB files as "small junks" of a larger dataset you could distribute those junks to have your clients compress on junk each and hence speed up the whole process in total.
So your Xgrid Controller would have to send the junks for processing to your agents and receive the results (gzipped file).
Regarding the size of your datasets this would probably wreak havoc to your network.
Just out of curiosity:
If you may disclose details, what are your datasets about?
MacLemon

Xgrid & Blender

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Has anyone ever tried anything like this??

Greetings all, I'm working on distributing blender rendering with xgrid, too, but I'm in dire need of useful, timely documentation. The atpm.org tutorial (http://www.atpm.com/10.06/blender.shtml) is outdated as of OSX 10.4. I've tried GridStuffer and it's a bit of a headtrip to make sense of the documentation there.
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xgrid agents running on a lab of G5 iMacs running OS X 10.4.6 -- all agents show up as available in XGrid Admin.
xgrid host and password environment variables set.
I have blender 2.41 on a G5 iMac on my desk. I can successfully render a frame from a .blend file via the command line:
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xgrid -job run -in /Users/lab_user/Desktop/blender-xgrid/ -out /Users/its/Desktop/xgrid-out/ blender -b /Users/lab_user/Desktop/blender-xgrid/Bionicle2Anim.blend -f 1
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thanks in advance

If only it were that easy, I would have it working.
All my machines are bound to the OD. All services work except Xgrid agents.
If I remove the Kerberos requirement for Xgrid agents, then the Xgrid controller has all the agents, but the podcast jobs fail because the user they run as is "nobody".
I found a doc (XgrinAdmin_and_HPCv10.6.pdf):
{quote}
The agent’s principal is created in the Kerberos domain controller and is put in the agent’s keytab if the agent computer is bound to the OD master using _AUTHENTICATED BINDING_ with Directory access. Otherwise, you must use kadmin to create the principal in the Kerberos domain controller and export it to the keytab.{quote}
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Actually, I now have time..... looks like 'add_principle' might be the ticket, and I might try to add a 'host/' type principle. Not sure about the export/import. Wish me luck....

Xgrid Step-by-Step (Tutorial) Writer Wanted + Xgrid observations

I would like to hire a graduate student for about 5 hours (@ $50/h) to write a step-by-step guide to setting up an Xgrid 2 installation how we need it. I would like this guide to be posted for public consumption (presumably at macresearch.org). although Charles Parnot has written some nice guides, it does not cover entirely what we need. it needs to be foolproof and cover EVERY step. specificallly, we need our setup as follows:
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* we need instructions for owners to add their machine anywhere on the net [i.e., not local] w/o Kerberos but with password authentication to this specific controller; and instructions on how the controller interacts with them.
* we need instructions for the same owners on how to submit their own jobs.
* most important, while the above could probably be figured out by ourselves, we need to add specific applications (such as R and stata, which live in /Applications/* on each machine in the grid) to the sandbox.
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if this were a policy option, then we could subsidize our faculty's purchases of Mac Pros if they were willing to dedicate all but 4 of their cores to the Xgrid.
Xgrid seems like a great product, but it almost seems neglected by tech support (though not by marketing).
/iaw

I've had to setup Xgrid in our university biology lab, but I did it with OS X Server, so I can't really help you out. However I can answer some of your questions and give you some feedback on my experience.
1. Submitting jobs: You can either do this through the Terminal using the xgrid command or you can download GridStuffer: http://cmgm.stanford.edu/~cparnot/xgrid-stanford/html/goodies/GridStuffer-info.h tml I suggest playing with GridStuffer as it's a little more intuitive. Also, you're probably going to want to send jobs as batches and not as single jobs.
2. ssh authenticaton. No idea why this isn't an option. I've used both the Kerberos and regular password authentication with no problems.
3. Idle or Always: This is something that Apple has to answer, and yes, we've asked ourselves this question before. Although the lab is equipped with Mac Pros, many lab members prefer to use Idle which of course reduces the grid's usefulness.
4. Tech support: I've had one instance where a specific job would crash the controller. I called Apple tech support who escalated it to engineering, who in turn reported that since a certain number of jobs would pass, there was no problem with Xgrid. This wasn't a satisfying answer and we ended up using a different cluster to process those jobs.
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Xgrid and Leopard Server

Is Leopard Server required on the Xgrid controller or can the controller be running Leopard client?

The controller can be using the client version of Leopard; click here for more information.
(41636)

10.5.6 Broke Podcast Producer

Hello,
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Has anyone else seen this? Any ideas?
Regards,
Eric

I agree with GemsBok; there are a dozen spots where the host name is stored and if one is off, services can run a muck. I had an issue with PCP and XGrid controllers and ended up completely wiping the system out and rebuilding from scratch. My suspicion was a DNS and hostname mismatch, but never could quite sort it out. After rebuilding, everything worked good. You may want to try demoting from Open Directory Master to Standalone, then promote back to ODM. Sometimes that fixes any kerberos problems you may be having.

Mac Pro turns itself on every day at the same time

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I recently upgraded to OSX 10.5 and installed the point update. It did it before the point update and continues to after the point update.
I have had it since April and it has never done this before. It did NOT do this under 10.4.
I have the options in system settings to NOT wake on LAN event and NOT restart after power failure. It is NOT set to automatically turn on but it is set to automatically turn itself off at 1:00am.
These settings have not changed since 10.4 and I have verified them. No other software has recently been installed since the update to 10.5. I did update the Wacom driver to the new Leopard driver. That is all. I have the Wacom tablet unplugged from the computer.
Any ideas?
Here is the console log from yesterday. It pretty much looks the same every day.
Log file:
Nov 18 18:00:12 localhost com.apple.launchctl.System[2]: kern.maxproc: 532 -> 512
Nov 18 18:00:15 localhost com.apple.launchctl.System[2]: launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
Nov 18 18:00:15 localhost com.apple.launchd[1] (org.cups.cupsd): Unknown key: SHAuthorizationRight
Nov 18 18:00:15 localhost com.apple.launchd[1] (org.ntp.ntpd): Unknown key: SHAuthorizationRight
Nov 18 18:00:16 localhost kernel[0]: npvhash=4095
Nov 18 18:00:16 localhost DirectoryService[12]: Launched version 5.0 (v514)
Nov 18 18:00:16 localhost kernel[0]: hi mem tramps at 0xffe00000
Nov 18 18:00:16 localhost kernel[0]: PAE enabled
Nov 18 18:00:16 localhost kextd[11]: 412 cached, 0 uncached personalities to catalog
Nov 18 18:00:16 localhost kernel[0]: 64 bit mode enabled
Nov 18 18:00:16 localhost kernel[0]: Darwin Kernel Version 9.1.0: Wed Oct 31 17:46:22 PDT 2007; root:xnu-1228.0.2~1/RELEASE_I386
Nov 18 18:00:16 localhost kernel[0]: standard timeslicing quantum is 10000 us
Nov 18 18:00:16 localhost kernel[0]: vmpagebootstrap: 973126 free pages and 75450 wired pages
Nov 18 18:00:16 localhost kernel[0]: migtable_maxdispl = 79
Nov 18 18:00:16 localhost kernel[0]: 88 prelinked modules
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=0 LocalApicId=0 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=1 LocalApicId=1 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=2 LocalApicId=2 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=3 LocalApicId=3 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=4 LocalApicId=5 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=5 LocalApicId=6 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=6 LocalApicId=7 Enabled
Nov 18 18:00:16 localhost kernel[0]: AppleACPICPU: ProcessorApicId=7 LocalApicId=4 Enabled
Nov 18 18:00:16 localhost kernel[0]: Loading security extension com.apple.security.TMSafetyNet
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Nov 18 18:00:16 localhost kernel[0]: Loading security extension com.apple.nke.applicationfirewall
Nov 18 18:00:16 localhost kernel[0]: Loading security extension com.apple.security.seatbelt
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Nov 18 18:00:17 localhost kernel[0]: Seatbelt MACF policy initialized
Nov 18 18:00:17 localhost kernel[0]: Security policy loaded: Seatbelt Policy (mb)
Nov 18 18:00:17 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
Nov 18 18:00:17 localhost kernel[0]: The Regents of the University of California. All rights reserved.
Nov 18 18:00:17 localhost kernel[0]: MAC Framework successfully initialized
Nov 18 18:00:17 localhost kernel[0]: using 16384 buffer headers and 4096 cluster IO buffer headers
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Nov 18 18:00:17 localhost kernel[0]: IOAPIC: Version 0x20 Vectors 64:87
Nov 18 18:00:17 localhost kernel[0]: ACPI: System State [S0 S3 S4 S5] (S3)
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Nov 18 18:00:17 localhost kernel[0]: BSM auditing present
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Nov 18 18:00:17 localhost kernel[0]: Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
Nov 18 18:00:17 localhost kernel[0]: Got boot device = IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleAHCI/PRT0 @0/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDri ver/ST3500630AS P Media/IOGUIDPartitionScheme/Customer@2
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Nov 18 18:00:17 localhost kernel[0]: Resetting IOCatalogue.
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Nov 18 18:00:17 localhost kernel[0]: Matching service count = 18
Nov 18 18:00:17: --- last message repeated 4 times ---
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Nov 18 18:00:17 localhost kernel[0]: AppleIntel8254XEthernet: Ethernet address 00:19:e3:66:97:7b
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Nov 18 18:00:17 localhost mDNSResponder[16]: Setting up AutoTunnel address FD14:A58A:53D0:1166:0219:E3FF:FE66:977A
Nov 18 18:00:19 localhost fseventsd[42]: bumping event counter to: 0xfa0a6 (current 0x0) from log file '00000000000f52e0'
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Nov 18 18:00:26 MacPro kernel[0]: -- Auto-Negotiation Gigabit Link Partner Ability Register (10d) = 0x4000
Nov 18 18:00:26 MacPro kernel[0]: -- PHY Specific Status Register (17d) = 0x8040
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Nov 18 18:00:26 MacPro com.apple.launchd[1] (com.apple.xgridcontrollerd[28]): Exited with exit code: 2
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Nov 18 18:00:26 MacPro /usr/sbin/ocspd[64]: starting
Nov 18 18:00:27 MacPro kernel[0]: -- Auto-Negotiation Gigabit Advertisement Register (09d) = 0xe00
Nov 18 18:00:27 MacPro kernel[0]: -- Auto-Negotiation Gigabit Link Partner Ability Register (10d) = 0x7c00
Nov 18 18:00:27 MacPro kernel[0]: -- PHY Specific Status Register (17d) = 0xaf08
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Nov 18 18:00:34 MacPro Parallels[125]: Restarting InternetSharing...
Nov 18 18:00:34 MacPro Parallels[127]: Restaring CiscoVPN...
Nov 18 18:00:34 MacPro com.apple.SystemStarter[31]: /Library/StartupItems/Parallels/Parallels: line 62: /System/Library/StartupItems/CiscoVPN/CiscoVPN: No such file or directory
Nov 18 18:00:34 MacPro Parallels[129]: Initialization complete.

Updates installed by Software Update are "delta" updates - they go from 10.x.y to 10.x.y+1, and are customized for a particular Mac model. It appears that in this case they also patch some files instead of replacing them fully. The "combo" update will update 10.x.anything to the latest 10.x.y, it'll update any Mac model, and in this case it appears they contain full files instead of patches. The delta updater for 10.5.1 is about 39 MB; the combo updater is about 110 MB. You can download the combo updater from the Support site. Sites such as www.macfixit.com often recommend installing the combo updater instead of, or after, the delta updater, as it often solves mysterious problems. One specific example is the numerous "SUID" messages when doing a "repair permissions" - the combo update gets rid of all but one, and that one is specifically stated by Apple to be okay. Of course, no guarantees, but the combo updater is a reasonable thing to try.
Doug

Admin User account deleted by MCXCDeleteAccount at shutdown

I have a MacBook Pro that occasionally on shutdown deletes the User Account with admin privileges when I shutdown. The home directory is not deleted, only the account information.The system log segment has the following entries. Any clues to why this would be happening, or how I can stop it from happening again:
1/24/11 6:03:55 PM login[8104] DEAD_PROCESS: 8104 ttys001
1/24/11 6:03:55 PM com.apple.launchd.peruser.501[609] ([0x0-0x60060].com.apple.Console[7861]) Exited: Killed
1/24/11 6:03:55 PM com.apple.launchd.peruser.501[609] ([0x0-0x78078].com.apple.Terminal[8055]) Exited: Killed
1/24/11 6:03:55 PM login[8057] DEAD_PROCESS: 8057 ttys000
1/24/11 6:03:55 PM com.apple.launchd.peruser.501[609] (com.apple.AirPortBaseStationAgent[646]) Exited: Killed
1/24/11 6:03:55 PM loginwindow[47] DEAD_PROCESS: 47 console
1/24/11 6:03:55 PM com.apple.UserEventAgent-Aqua[639] Mon Jan 24 18:03:55 Alan-Brons-MacBook-Pro.local UserEventAgent[639] <Warning>: CGSShutdownServerConnections: Detaching application from window server
1/24/11 6:03:55 PM com.apple.UserEventAgent-Aqua[639] Mon Jan 24 18:03:55 Alan-Brons-MacBook-Pro.local UserEventAgent[639] <Warning>: CGSDisplayServerShutdown: Detaching display subsystem from window server
1/24/11 6:03:55 PM UserEventAgent[639] CGSShutdownServerConnections: Detaching application from window server
1/24/11 6:03:55 PM loginwindow[47] CGSShutdownServerConnections: Detaching application from window server
1/24/11 6:03:55 PM loginwindow[47] CGSDisplayServerShutdown: Detaching display subsystem from window server
1/24/11 6:03:55 PM UserEventAgent[639] CGSDisplayServerShutdown: Detaching display subsystem from window server
1/24/11 6:03:55 PM UserEventAgent[639] XRHotKeyAgent:491 kCGErrorInvalidConnection
1/24/11 6:03:55 PM com.apple.loginwindow[47] Mon Jan 24 18:03:55 Alan-Brons-MacBook-Pro.local loginwindow[47] <Warning>: CGSShutdownServerConnections: Detaching application from window server
1/24/11 6:03:55 PM com.apple.loginwindow[47] Mon Jan 24 18:03:55 Alan-Brons-MacBook-Pro.local loginwindow[47] <Warning>: CGSDisplayServerShutdown: Detaching display subsystem from window server
1/24/11 6:03:56 PM /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[8173] Login Window Application Started
1/24/11 6:03:56 PM prl_naptd[647] Exiting Parallels Network Daemon
1/24/11 6:03:57 PM com.apple.SecurityServer[24] Session 0x311d08 dead
1/24/11 6:03:57 PM com.apple.SecurityServer[24] Killing auth hosts
1/24/11 6:03:57 PM com.apple.SecurityServer[24] Session 0x311d08 destroyed
1/24/11 6:03:58 PM com.apple.SecurityServer[24] Session 0x235c78 created
1/24/11 6:03:58 PM com.apple.SecurityServer[24] Session 0x235c78 attributes 0x30
1/24/11 6:03:58 PM loginwindow[8173] Login Window Started Security Agent
1/24/11 6:03:59 PM WindowServer[8177] kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
1/24/11 6:03:59 PM com.apple.WindowServer[8177] Mon Jan 24 18:03:59 Alan-Brons-MacBook-Pro.local WindowServer[8177] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
1/24/11 6:03:59 PM com.apple.backupd-attach[8200] Not starting scheduled Time Machine backup - computer is on battery power.
1/24/11 6:04:00 PM SecurityAgent[8186] Showing Login Window
1/24/11 6:04:06 PM hdiejectd[1045] quitCheck: calling exit(0)
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.364 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_amavisd" with home "/var/virusmails" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_amavisd" with home "/var/virusmails" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 83
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.367 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 83
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_appowner'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.368 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_appowner'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_appserver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.368 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_appserver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_ard'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.369 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_ard'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_atsserver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.369 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_atsserver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_calendar'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.370 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_calendar'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_carddav'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.370 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_carddav'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_clamav" with home "/var/virusmails" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.371 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_clamav" with home "/var/virusmails" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 82
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.371 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 82
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_coreaudiod'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.371 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_coreaudiod'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_cvmsroot'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.372 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_cvmsroot'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_cvs'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.372 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_cvs'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_cyrus" with home "/var/imap" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.373 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_cyrus" with home "/var/imap" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 77
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.373 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 77
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_devdocs'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.374 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_devdocs'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_dovecot'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.374 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_dovecot'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_dpaudio'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.375 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_dpaudio'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_eppc'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.375 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_eppc'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_installer'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.375 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_installer'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_jabber'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.376 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_jabber'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_lda'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.376 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_lda'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_locationd'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.377 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_locationd'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_lp" with home "/var/spool/cups" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.378 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_lp" with home "/var/spool/cups" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 26
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.379 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 26
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_mailman'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.379 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_mailman'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_mcxalr'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.380 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_mcxalr'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_mdnsresponder'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.381 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_mdnsresponder'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_mysql'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.381 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_mysql'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_pcastagent" with home "/var/pcast/agent" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.382 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_pcastagent" with home "/var/pcast/agent" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 55
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.382 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 55
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_pcastserver" with home "/var/pcast/server" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.382 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_pcastserver" with home "/var/pcast/server" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 56
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.383 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 56
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_postfix" with home "/var/spool/postfix" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.383 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_postfix" with home "/var/spool/postfix" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 27
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.384 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 27
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_qtss'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.384 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_qtss'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_sandbox'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.385 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_sandbox'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_screensaver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.385 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_screensaver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_securityagent'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.385 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_securityagent'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_serialnumberd'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.386 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_serialnumberd'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_softwareupdate'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.386 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_softwareupdate'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_spotlight'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.387 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_spotlight'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_sshd'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.387 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_sshd'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_svn'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.388 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_svn'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_teamsserver" with home "/var/teamsserver" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.388 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_teamsserver" with home "/var/teamsserver" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 94
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.389 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 94
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_timezone'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.389 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_timezone'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_tokend'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.389 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_tokend'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_trustevaluationagent'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.390 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_trustevaluationagent'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_unknown'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.390 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_unknown'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account 'updatesharing'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.391 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account 'updatesharing'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_usbmuxd" with home "/var/db/lockdown" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.391 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_usbmuxd" with home "/var/db/lockdown" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 213
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.392 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 213
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_uucp" with home "/var/spool/uucp" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 4
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account '_windowserver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_www" with home "/Library/WebServer" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 70
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_xgridagent" with home "/var/xgrid/agent" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 86
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "_xgridcontroller" with home "/var/xgrid/controller" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 85
1/24/11 6:04:14 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "alan" with home "/Users/alan" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.392 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_uucp" with home "/var/spool/uucp" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.392 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 4
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.393 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account '_windowserver'. localUserMCXRecords count = 54
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.394 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_www" with home "/Library/WebServer" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.394 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 70
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.395 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_xgridagent" with home "/var/xgrid/agent" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.395 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 86
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.396 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "_xgridcontroller" with home "/var/xgrid/controller" from DSLocal because disk disappeared.
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.397 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 85
1/24/11 6:04:14 PM com.apple.loginwindow[8173] 2011-01-24 18:04:14.397 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "alan" with home "/Users/alan" from DSLocal because disk disappeared.
1/24/11 6:04:16 PM ManagedClient[8181] -xaDiskDisappeared: removing external account "daemon" with home "/var/root" from DSLocal because disk disappeared.
1/24/11 6:04:16 PM ManagedClient[8181] MCXCDeleteAccount(): Trying to delete user id = 1
1/24/11 6:04:16 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account 'nobody'. localUserMCXRecords count = 54
1/24/11 6:04:16 PM ManagedClient[8181] -xaDiskDisappeared error attempting to delete empty home account 'zend'. localUserMCXRecords count = 54
1/24/11 6:04:16 PM com.apple.loginwindow[8173] 2011-01-24 18:04:16.666 ManagedClient[8181:903] -xaDiskDisappeared: removing external account "daemon" with home "/var/root" from DSLocal because disk disappeared.
1/24/11 6:04:16 PM com.apple.loginwindow[8173] 2011-01-24 18:04:16.667 ManagedClient[8181:903] MCXCDeleteAccount(): Trying to delete user id = 1
1/24/11 6:04:16 PM com.apple.loginwindow[8173] 2011-01-24 18:04:16.667 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account 'nobody'. localUserMCXRecords count = 54
1/24/11 6:04:16 PM com.apple.loginwindow[8173] 2011-01-24 18:04:16.667 ManagedClient[8181:903] -xaDiskDisappeared error attempting to delete empty home account 'zend'. localUserMCXRecords count = 54
1/24/11 6:04:18 PM loginwindow[8173] Login Window - Returned from Security Agent
1/24/11 6:04:19 PM kernel systemShutdown true
1/24/11 6:04:19 PM shutdown[8222] halt by alan:
1/24/11 6:04:19 PM shutdown[8222] SHUTDOWN_TIME: 1295852659 286784
1/24/11 6:04:19 PM SystemStarter[41] "/Library/StartupItems" failed sanity check: path was created after boot up
1/24/11 6:04:19 PM Parallels[8224] Stopping Parallels Dispatcher Service
1/24/11 6:04:19 PM Parallels[8230] Stopping Parallels networking
1/24/11 6:04:19 PM prl_naptd[273] Exiting Parallels Network Daemon
1/24/11 6:04:19 PM Parallels[8249] Unloading kernel extension prl_netbridge.kext
1/24/11 6:04:20 PM kernel Kext loading now disabled.
1/24/11 6:04:20 PM kernel Kext unloading now disabled.
1/24/11 6:04:20 PM kernel Kext autounloading now disabled.
1/24/11 6:04:20 PM kernel Kernel requests now disabled.
1/24/11 6:04:20 PM kernel com.parallels.kext.prlnet 6.0.11828.615184 is unloading.
1/24/11 6:04:20 PM kernel free vms_list while it is not empty
1/24/11 6:04:20 PM kernel Kext unloading is disabled (com.parallels.kext.prl_netbridge).
1/24/11 6:04:20 PM Parallels[8272] Failed to unload kernel extension prl_netbridge.kext
1/24/11 6:04:20 PM Parallels[8277] Unloading kernel extension prl_vnic.kext
1/24/11 6:04:20 PM kernel Kext unloading is disabled (com.parallels.kext.prl_netbridge).
1/24/11 6:04:20 PM kernel Kext unloading is disabled (com.parallels.kext.prl_netbridge).
1/24/11 6:04:20 PM kernel com.parallels.kext.vnic 6.0.11828.615184 is unloading.
1/24/11 6:04:20 PM kernel Failed to delete address of interface: 102
1/24/11 6:04:20 PM kernel Failed to delete address of interface: 102
1/24/11 6:04:20 PM kernel comparallels_kext_prl_vnicbus: wait for detach for 0
1/24/11 6:04:20 PM kernel comparallels_kext_prl_vnic_bus::detachhandler for 0
1/24/11 6:04:20 PM kernel comparallels_kext_prl_vnicbus: detached 0
1/24/11 6:04:20 PM kernel comparallels_kext_prlvnic: destroyed vnic0
1/24/11 6:04:20 PM kernel Failed to delete address of interface: 102
1/24/11 6:04:20 PM kernel Failed to delete address of interface: 102
1/24/11 6:04:20 PM kernel comparallels_kext_prl_vnicbus: wait for detach for 1
1/24/11 6:04:20 PM kernel comparallels_kext_prl_vnic_bus::detachhandler for 1
1/24/11 6:04:20 PM kernel comparallels_kext_prl_vnicbus: detached 1
1/24/11 6:04:20 PM kernel comparallels_kext_prlvnic: destroyed vnic1
1/24/11 6:04:20 PM kernel Kext unloading is disabled (com.parallels.kext.prl_vnic).
1/24/11 6:04:20 PM Parallels[8300] Failed to unload kernel extension prl_vnic.kext
1/24/11 6:04:20 PM Parallels[8303] Parallels Networking was stopped
1/24/11 6:04:20 PM DirectoryService[11] BUG in libdispatch: 10J567 - 1960 - 0x10004004
1/24/11 6:04:20 PM WindowServer[8177] hidd died. Reestablishing connection.
1/24/11 6:04:20 PM SecurityAgent[8186] CGSShutdownServerConnections: Detaching application from window server
1/24/11 6:04:20 PM WindowServer[8177] bootstraplookip failed: Unknown service name
1/24/11 6:04:20 PM mDNSResponder[18] mDNSResponder mDNSResponder-258.14 (Nov 18 2010 14:18:32) stopping
1/24/11 6:04:21 PM SecurityAgent[8186] MIG: server died: CGSReleaseShmem : Cannot release shared memory
1/24/11 6:04:21 PM SecurityAgent[8186] kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
1/24/11 6:04:21 PM SecurityAgent[8186] CGSDisplayServerShutdown: Detaching display subsystem from window server
1/24/11 6:04:21 PM SecurityAgent[8186] HIToolbox: received notification of WindowServer event port death.
1/24/11 6:04:21 PM SecurityAgent[8186] port matched the WindowServer port created in BindCGSToRunLoop
1/24/11 6:04:21 PM SecurityAgent[8186] kCGErrorRangeCheck: On-demand launch of the Window Server is allowed for root user only.
1/24/11 6:04:21 PM kernel Kext unloading is disabled (com.parallels.kext.prl_vnic).
1/24/11 6:04:21 PM kernel Kext unloading is disabled (com.parallels.kext.prl_vnic).
1/24/11 6:04:21 PM com.apple.SecurityServer[24] Session 0x235c78 dead

Welcome to Apple Discussions.
This is a real puzzle - there have been a number of related reports recently:
http://discussions.apple.com/thread.jspa?threadID=2675891
http://discussions.apple.com/thread.jspa?threadID=2684412
http://discussions.apple.com/message.jspa?messageID=12731083
Your log includes:
1/24/11 6:04:14 PM ManagedClient818 -xaDiskDisappeared: removing
external account "alan" with home "/Users/alan" from DSLocal because disk
disappeared.
Is "alan" your regular user account? If so, is it supposed to be local to your HD? (the log report calls it "external account 'alan'")
There have been suggestions in the other threads that the trigger for the inappropriate account destruction by the system might involve the unexpected disconnection of an external USB drive. The situation isn't at all clear, though.

Xgrid Controller Unavailable

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