NSM 3.1.1 server reguallry becomes unresponsive

We run NSM 3.1.1 for AD and I find that regularly for periods of several hours it is not possible to connect with NSMadmin, this also occurs if the NSM server is restarted. This is particularly annoying now that I am devolving administration of home drive quotas to our servicedesk using quota manager because while the server is in this condition, they cannot update quotas and receive a message that they are not members of the quota manager group. I also notice that our database (ecache.db) is approaching 25Gb, is there any housekeeping that can be carried out to prune this or is this normal?. I cannot find any guidance on tuning my environment for best performance. Being a University, we have a great deal of change in our environment with approximately 15,000 new students per year (and also 15,000 leaving).
Any help or advice would be appreciated,
Dave
Apologies for not being able to spell "regularly" :)

On 11/7/2013 7:36 AM, Davey1 wrote:
>
> We run NSM 3.1.1 for AD and I find that regularly for periods of several
> hours it is not possible to connect with NSMadmin, this also occurs if
> the NSM server is restarted. This is particularly annoying now that I am
> devolving administration of home drive quotas to our servicedesk using
> quota manager because while the server is in this condition, they cannot
> update quotas and receive a message that they are not members of the
> quota manager group. I also notice that our database (ecache.db) is
> approaching 25Gb, is there any housekeeping that can be carried out to
> prune this or is this normal?. I cannot find any guidance on tuning my
> environment for best performance. Being a University, we have a great
> deal of change in our environment with approximately 15,000 new students
> per year (and also 15,000 leaving).
> Any help or advice would be appreciated,
>
> Dave
>
> Apologies for not being able to spell "regularly" :)
>
>
Davey1,
The large ecache.db file is definitely one reason the Engine is slow to
respond upon restart. Is your ecache.db file not growing any larger? In
the Pending Events panel of the Admin client, in the bottom-right
corner, is the "cached events" counter at 0? If so, it's safe to perform
the following steps:
- stop accepting events
- double-check that the "cached events" counter is still at 0
- stop the engine
- rename the ecache.db file
- start the engine - it should create a new ecache.db (and your engine
should load much faster)
- start accepting events again
- if everything looks right, you can delete the old ecache file
-- NFMS Support Team

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*** 2012-11-12 10:22:07.096
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Sampling SID 13 with interval 5 seconds, taking 1 snapshots...
-- Session Snapper v3.52 by Tanel Poder @ E2SN ( http://tech.e2sn.com )
    SID, USERNAME , TYPE, STATISTIC                                                 ,     HDELTA, HDELTA/SEC,    %TIME, GRAPH
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     13, TESTING   , STAT, index fetch by key                                        ,        276,       55.2,
     13, TESTING   , STAT, index scans kdiixs1                                       ,        552,      110.4,
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Sampling...
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Sampling...
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Frame->function()
# ...(see call profile below)
# - Num.Samples -> in call stack()
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Hit CTRL+C to cancel, ENTER to continue...HANG!
Now I am lost!!
As Iggy points out from the strace, the OS is returning an error back to the Oracle foreground process, is this not handled?
Or is it normal for oracle to ignore this error, and ask for more memory?
Any help would be greatly appreciated.
Thanks,
Tom
Edited by: Tom 55 on Nov 13, 2012 7:54 AM

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Log says that at 11 it was restarted, btw until there is any request from clients or other servers you would not see any further logs even if its started.
You could also use pkill to kill mono process, just to rule out any other issue is causing the server unresponsive.
>>> Hans<[email protected]> 19-05-2011 01:17 >>>
Hey all,
Armed with some knowledge from Willem and GG here are some snippets from 3 log files: iFolder stopped around 1300 (1pm). I had to restart it at around 1335 or so. I notice some curious things going on around this time.
1) Segfault at 12:42 from the var/log/message file
2) At 1100 the database is being shut down from the Simias log file. But I don't see anywhere that the database is coming back up. Also, in this same log file 11:00:09 is the last entry until 13:33. Probably when I restarted the server.
3) From the Simias.Access log file 10:59:56 is the last success entry then nothing til 13:47:13.
4) Timing of this is much more than just pure luck. Something is going on.
Thanks
-Hans
From /var/log/message:
May 18 12:42:29 Shrike kernel: mono.bin[32456]: segfault at 00002aaaac0fbf10 rip 00002ab549cc40dd rsp 00002aaaac0fbee0 error 6
From Simias log file:
2011-05-18 11:00:02,009 [Simias Manager Stop] INFO Simias.Service.Manager - The database is being shut down.
2011-05-18 11:00:02,081 [Simias Manager Stop] INFO Simias.Service.Manager - "Simias User Movement Plugin" service stopped.
2011-05-18 11:00:02,082 [Simias Manager Stop] INFO Simias.Service.Manager - "Simias Report" service stopped.
2011-05-18 11:00:02,117 [Simias Manager Stop] INFO Simias.Service.Manager - "Simias Server" service stopped.
2011-05-18 11:00:02,117 [Simias Manager Stop] INFO Simias.Service.Manager - "Simias Journal" service stopped.
2011-05-18 11:00:02,118 [Simias Manager Stop] INFO Simias.Service.Manager - "Simias Local Domain Provider" service stopped.
2011-05-18 11:00:02,133 [Simias Manager Stop] INFO Simias.Storage.ChangeLog - Change Log Service stopped.
2011-05-18 11:00:02,133 [Simias Manager Stop] INFO Simias.Service.Manager - "Simias Change Log Service" service stopped.
2011-05-18 11:00:02,134 [Simias Manager Stop] INFO Simias.Service.Manager - Services stopped.
2011-05-18 11:00:05,059 [Simias Manager Start] INFO Simias.Storage.ChangeLog - Change Log Service started.
2011-05-18 11:00:05,063 [Simias Manager Start] INFO Simias.Service.Manager - "Simias Change Log Service" service started.
2011-05-18 11:00:05,064 [Simias Manager Start] INFO Simias.Service.Manager - "Simias Local Domain Provider" service started.
2011-05-18 11:00:05,065 [Simias Manager Start] INFO Simias.Service.Manager - "Simias Journal" service started.
2011-05-18 11:00:09,847 [Simias Manager Start] INFO Simias.Service.Manager - "Simias Server" service started.
2011-05-18 11:00:09,862 [Simias Manager Start] INFO Simias.Service.Manager - "Simias Report" service started.
2011-05-18 11:00:09,871 [Simias Manager Start] INFO Simias.Service.Manager - "Simias User Movement Plugin" service started.
2011-05-18 11:00:09,871 [Simias Manager Start] INFO Simias.Service.Manager - Services started.
2011-05-18 13:33:39,876 [Simias Manager Start] INFO Simias.Storage.ChangeLog - Change Log Service started.
From Simias.access log file:
18-05-2011 10:59:56 "Stop" "Success" "NorbS" "-" "ed068a77-3661-4802-b887-c1fbdb809ed5"
#version: 1.0
#Fields:**date**time**method**status**user**uri**i d**
#version: 1.0
#Fields:**date**time**method**status**user**uri**i d**
#version: 1.0
#Fields:**date**time**method**status**user**uri**i d**
18-05-2011 13:47:13 "GetChanges" "Success" "GlebP" "-" "969b46af-e533-45c1-b48c-49e9ba054f84"
>>> On 5/18/2011 at 1:50 PM, in message <[email protected]>, Hans<[email protected]> wrote:
GG,
Thanks for your reply. iFolder became unresponsive again today. I made your suggested changes. This time the "server" became unresponsive to the point it would NOT shut down. All I could do is hit the power button. Will check the logs Willem suggest in previous post.
-Hans
>>> On 5/10/2011 at 6:36 AM, in message <[email protected]>, hegdegg<[email protected]> wrote:
You will following line in /et/apache2/conf.d/simias.conf file
MonoSetEnv simias10
"SimiasRunAsServer=true;SimiasDataDir=/var/simias/data/simias;MONO_THREADS_PER_CPU=2000"
modify to add mono_no_smp
MonoSetEnv simias10
"SimiasRunAsServer=true;SimiasDataDir=/var/simias/data/simia;MONO_THREADS_PER_CPU=2000;MONO_NO_SMP=1"
restart of apache is required after this update. Let us know the
results.
best regards,
gg
hegdegg
hegdegg's Profile: http://forums.novell.com/member.php?userid=12470
View this thread: http://forums.novell.com/showthread.php?t=437560

AVCHD video support in Adobe Elements 8 - adobe becomes unresponsive

I have Adobe Elements 8 on Win 7 64-bit. I purchased a new camera Panasonic DMC-FZ200 which does 1080p video and stores file in AVCHD video format on the SD card. I imported my photos/video first time from my new camera and the import is failing on the AVCHD video files. It just hangs and causes Adobe Elements to become unresponsive.
A popup window eventually comes up and says:
G:\PRIVATE\AVCHD\BDMV\STREAM\00001.MTS
server execution failed

sherveveyj1
Premiere Elements 8.0/8.0.1 is a 32 bit application running in the 32 bit compatibility mode of the 64 bit system and as such has the limitations of 32 bit, namely, maximum supported installed RAM = 4.0 GB of which typically 3 GB or less are available. Many found that the program does not have enough resources for serious AVCHD editing for medium to large size projects. Some resorted to converting the footage to the less resource demanding MPEG2 1920 x 1080i while others experimented with a proxy method which used to be in FAQ.
http://forums.adobe.com/thread/486598
http://forums.adobe.com/thread/390605
Are you shooting 1080p60 with your Panasonic DMC-FZ200. How do you intend to export the footage?
The advanages of upgrading to version 11 for your situation include gaining a 64 bit application running in a 64 bit system of Windows 7 or 8 which will make available more of the computer resources. And, version 11 is the first to offer the 1080p60 and 1080p50 project preset. You might want to look at the free 30 day tryout of the program from Adobe to determine if it is something that would work to your advantage.
If you wish to pursue making due with what you have, please let us know and more information on working with AVCHD in Premiere Elements 8.0/8.0.1 will be discussed in depth, including workarounds.
Thanks.
ATR

SSH (slogin) Becomes Unresponsive

This problem is getting really annoying. I use slogin to securely log into various servers. If I use bzip2 or gzip to compress a large tar ball, the connection becomes unresponsive. The terminal window is, effectively, locked until the server closes the connection.
What switches need to get the OS X implementation of SSH to behave like the SSH provided by BSD/OS, Sun OS, Linix, and even PuTTY on a Windows-based system?

I've been using ssh on Mac OS X for years, talking to Linux, Solaris, and AIX systems. I have never had this problem. Mac OS X uses the OpenSSH implementation.
I'm only saying that I know ssh can work, not that you do not have a problem.
You might try making an ssh connection using
ssh -o TCPKeepAlive=yes ...
and see if that changes anything. That might indicate that there is an issue on the server or the client dropping the connection if there is no traffic for a period of time.
Also do you use csh/tcsh as a shell on the remote systems? I only ask because csh/tcsh has an autologout mechanism, but that is generally defaults to 60 minutes.
Does your Mac route through an uniquely different networking paths that your BSD, Solaris, Linux, and Windows systems do not. I'm just trying to isolate differences as a diagnostic technique.
Finally, it is possible to enable additional debugging on the ssh client using -v -v -v when you make your connection. And you can start the sshd daemon with -d that sends verbose connection information to the system log. Setting up a test with this additional debugging might give a clue about what it breaking your connections.

ITunes UI for mac becomes unresponsive out of no where.

The iTunes UI has been becoming unresponsive repeatedly. I'm not sure if its stability has something to do with my iTunes library being on a NAS (Seagate BlackArmor 2TB) or because the iTunes library is growing too large, or because iTunes developers don't know how to make a simple mp3 player.
On a side note: It would be nice if Apple made an iTunes that doesn't use 295 ports or 14 threads or store iPhone backups among thousands of tiny delta files in single directory. Maybe it should have been called iTunes X.1.0.

I have a similar issue. iTunes is just SLOW. I double click on a song, wait ten seconds, it plays. Click on a playlist... ten seconds... playlist selected. I see the color wheel way more than I think I should.
Is it because I have TOO MANY songs? I have 100,000+ songs. As a DJ I need all these songs and haven't been able to find a good competitor "Mp3 Player" for the Mac which will serve my needs.
Hasn't completely froze on me yet though.

AFP becomes unresponsive - High CPU Load

OS X Server 10.5.8
We have been noticing that our Home Directory Servers have been plagued with becoming unresponsive. It happens every week or two.
When this situation happens, there is high CPU on the server.
I can't see any pattern as to the root cause (or the fix).
I have seen it fix itself over time (like an hour) and it goes away if I restart the server.
I have tried things like deleting user cache folders (thinking there is fragmentation), looking for apps being run from the server (user copies apps to their desktop), but this does not resolve the issue long term. My eyes don't see anything in the logs, but I could be missing something.
It is a cleanly-installed OS from 10.5.4.
No RAID, or anything like that, it is a very clean, and vanilla install and configuration
AFP is only thing running.
Only used for Home directories.
I have this happening on two of our servers.
This NEVER happened last year, when we were running 10.5.4

I have been scouring the interwebs for advice on this topic. I do not know if this is definitive or not, but this appears to be an accurate assessment, with two possible solutions, depending on your size and traffic and network:
a) Use folder redirection to direct cache items to local computer
b) Upgrade to 10.6 with gobs of RAM
(I haven't tested either of these myself yet, I am exploring my options and strategizing, but based on all of the noise regarding this issue, the info below seems reasonable - especially considering we only recently started seeing the issue):
{Others quote:}
DO NOT go back. I have been communicating with people across the country and in Europe who >have this same problem, and several have tried going back. It does not help. The way the thread >issue comes up is that 10.5 and earlier have a maximum number of threads available - like 3000 I >think. (You can find the real numbers on Apple's website if you look for the benefits of 64-bit >goodness.) As long as this is sufficient for all the open and active files your users have, there is no >performance hit. But as soon at they are all used up, file requests are put in a wait state. That can >snowball very quickly, and it takes the server an inordinate amount of time to sort it all back out. >It's a losing game. Performance goes from pretty good to dismal in an instant.
With 10.6, you get the same number of threads 10.5 had as an absolute max with a small amount >of memory, and your max goes up linearly with more memory, to some really big maximum. I have >servers with 12, 16, and 24 GB of memory, and none of them get above maybe 10% processor >utilization under 10.6. The same servers were saturated for long periods with 10.5.8 and earlier. >10.5 at its best had worse performance than 10.6 at its worst.
As to amount of memory, why skimp? Buy it from Crucial/Micron, and you can afford as much as >you want. I think 12 is a minimum for most purposes. That's just a few hundred dollars.
I have not heard of anyone fixing this issue without 10.6. But everyone who uses 10.6 is fixed. I >was scared to try 10.6 at first. AppleCare said not to use it in production. But Corey Anderson >asked me what I had to lose. I could think of nothing, so I did it. An hour doing the upgrade, plus >several more on the phone with ApCare fixing issues they did not know were there, and everything >was good.
10.6.2 has been pretty good in almost every way. AFS crashes for me every 14 days - with an error >they understand but have not yet fixed - but recovers on its own and without my assistance. Users >usually don't notice. Could be better, but I can live with this.
My staff server used to go bad at about 90-100 active users. Now it handles 140-150 without >noticing. I have a mix of 10.4 - 10.6 clients, and all are good with the 10.6 file servers and 10.5.8 >other servers. One big happy family.
You need 10.6!
{quote}

System completely freezes and becomes unresponsive

Hi,
We have a single processor, 1 GB RAM Redhat system (desktop). Normally with the database(oracle 10.1g) and client connections running, the memory utilization of this server is around 90-99% . However every few days the box completely freezes and becomes unresponsive (users cannot login, client connections fail). We have to hardboot the box and restart the database. When in stuck state, the log files are not updated, except that sendmail logs heavy load average. ( Messages like "Load Avg 12: 1 Times(s) Load Avg 13: 1 Times(s) Load Avg 14: 1 Times" and so on) and the free memory falls to 8 mb or less but with above 2 gb swap space available.
My question is if there is no free memory, system should thrash (excessive swapping) and become slow, but instead our box completely freezes, though the interactive response ( for any connection which is still active) and ping response is ok, they aren't slow.
Is there any kernel level parameter that can be tuned so the server won't freeze, (tries to move the memory pages to swap space or any other way). When the server is stuck (freezes ) any ssh connections still active will stay on, but new connections fail. One time, using that session, I tried to free up memory by killing processes like X Server etc, but still the server didn't unfreeze.
Server info:
Red Hat Enterprise Linux AS release 3 (Taroon Update 4)
Kernel (uname -r) 2.4.21-27.EL
Intel Pentium 4 CPU 2.80GHz (Single processor)
1 GB RAM
Oracle db version - 10.1.0.3.0
Lastly, I don't think this is any hw problem, because we see similiar problem on multiple system with similiar configs.
Please guide how to resolve the problem. Thanks.

Hi Praveen, thanks for your inputs.
Andrey - We've 3 log files. rest info -
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARC STATUS FIRST_CHANGE# FIRST_TIM
1 1 5599 10485760 1 NO CURRENT 561614475 25-NOV-05
2 1 5597 10485760 1 NO INACTIVE 561603206 25-NOV-05
3 1 5598 10485760 1 NO ACTIVE 561608824 25-NOV-05
SQL> select * from v$instance_recovery;
RECOVERY_ESTIMATED_IOS ACTUAL_REDO_BLKS TARGET_REDO_BLKS LOG_FILE_SIZE_REDO_BLKS LOG_CHKPT_TIMEOUT_REDO_BLKS LOG_CHKPT_INTERVAL_REDO_BLKS FAST_START_IO_TARGET_REDO_BLKS TARGET_MTTR ESTIMATED_MTTR CKPT_BLOCK_WRITES OPTIMAL_LOGFILE_SIZE ESTD_CLUSTER_AVAILABLE_TIME WRITES_MTTR WRITES_LOGFILE_SIZE WRITES_LOG_CHECKPOINT_SETTINGS WRITES_OTHER_SETTINGS WRITES_AUTOTUNE WRITES_FULL_THREAD_CKPT
70 501 5305 18432 5305 0 12 35578 0 139734 0 0 6467 697

NSM 3.1.1 server reguallry becomes unresponsive

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