Prevent internal drive from mounting at startup

How do I easily prevent an internal hard drive from mounting at startup?
The machine has two internal drives and I want the upper drive to not mount unless needed. Both are bootable but lower is chosen as the startup drive.
Thanks for any help.
G5 dual 2.5 ghz Mac OS X (10.4.8)

Take it out and put it in a removable FW + SATA case.
There is little need or reason to have it not mount. If it is backup or emergency drive, external would be preferable... and put internal drive bay to some other use.

Similar Messages

Prevent drive from mounting at startup

There is an archived message on this same subject that never received a reply.
I perform my backups to a second internal drive and would like to prevent it from mounting at startup. Any ideas?
To clarify: I can come up with many ways to UNmount a drive when a user logs in however I'd like the drive to simply not mount at startup. Our machine runs unattended, without a user logged in, so allowing the "backup drive" to not mount would be safer and also conserve a bit of energy (as unmounted drives are allowed to spin down.)
Qny and all help appreciated.
G5 Dual 1.8 Mac OS X (10.4.7)

Welcome to Apple Discussions!
If the drive gets its power from the computer to start up, you can't prevent it from mounting at startup. If the drive is under its own power, just leave its switch turned off until you are ready to mount it. Both Firewire and USB are hot connectable, meaning you can power it while it is already connected to the computer. SCSI on the other hand is not.
I have found this to be one weakness of the LaCie d2 case design is that it gets some power from the computer, and hence always mounts at startup if plugged in to the wall and connected to the computer.
Only cases that have a true on/off switch won't do that.
Backing up to internal drives is not wise. The whole point of having a backup drive is to have a drive that is able to recover information if the computer should permanently fail with the computer along with it, and also if the computer is stolen.

Booting from external, need to stop bad internal drive from trying to mount

I have an Intel iMac with a bad internal drive. It won't mount, but makes several clicks every few seconds trying to access the drive. Eventually I will take it in for repair, but I don't want to be without it for several days and it is working fine with the external drive.
It's not a huge problem, but the clicking gets annoying. Does anyone have suggestions on how I can disable the drive or prevent the computer from trying to access it? I don't want to physically disable it unless it is a simple procedure. I'm hoping there is a software solution via OS X or Terminal commands.
I should say that I found some instructions to prevent a drive from mounting, but it requires the drive's UUID which I can't get unless it mounts. Also, I don't know if this will stop the clicking. Anyway, here are the instructions. Perhaps there is a way to do something similar without knowing the UUID or by knowing the UUID of the working drives? I appreciate any help.
1. Open Disk Utility
2. Select the bad drive, then click the Info button
3. Copy the Universal Unique Identifier (UUID) code
4. Open a Terminal window and type: sudo pico /etc/fstab
5. Enter your password
6. Enter the line below (using your own UUID):
UUID=CDB15826-88A3-36AC-8009-3E71355F0B18 none hfs rw,noauto
(taken from http://www.macseven.com/files/20070719how_to_prevent_a_drive_volume_frommounting.html)

I don't know if it can be done using software solution (I think not). It's possible to remove the drive physically but it is rather tricky. see this thread for instructions
http://discussions.apple.com/thread.jspa?threadID=630315

How to keep an internal drive from being mounted on startup?

Other than opening the box and disconnecting them physically, how do I keep an internal drive from being mounted at startup? I have two problems:
1) despite having an SSD drive marked as the startup drive, I think one of my other drives is being considered first - startup takes a long time and it shows the gray circle with a line through it, before acquiescing into booting (rapidly and nicely) from the SSD drive. How do I make it ignore the other drives and go right for this?
2) when the system boots up, if I don't immediately dismount the internal drives (which I don't need most of the time), Time Machine and Spotlight begin going over them.
     other than physically removing them, anything I can do in some OS X boot script to keep those drives from being mounted?

Ok, I followed your directions (including de-seleccting and re-selecting the SSD as boot disk from System Preferences). Console: there was nothing under System Diagnostic Reports, but here's what the All Messages logs said after the Boot_Time that demonstrated my issue (3 min wait, then gray circle with a line through it, then finally rapid boot off the SSD). Is there anything here that shows what the heck it's doing before it actually boots off the SSD?
12/27/12 10:16:09 PM
bootlog[95]
BOOT_TIME: 1356664502 0
12/27/12 10:16:09 PM
com.apple.usbmuxd[77]
usbmuxd-296.3 on Jul 25 2012 at 00:28:37, running 64 bit
12/27/12 10:16:09 PM
fseventsd[88]
event logs in /.fseventsd out of sync with volume. destroying old logs. (764 7 915)
12/27/12 10:16:09 PM
fseventsd[88]
log dir: /.fseventsd getting new uuid: 69C652CD-6886-4C24-962B-86FE77C3DFD3
12/27/12 10:16:09 PM
Parallels[126]
Unloading kernel extension prl_netbridge.kext
12/27/12 10:16:09 PM
com.apple.SystemStarter[78]
Starting APC PowerChute Personal Edition daemon
12/27/12 10:16:09 PM
com.apple.SystemStarter[78]
Starting the DynDNS Updater Daemon
12/27/12 10:16:09 PM
com.apple.SystemStarter[78]
Starting MySQL database server
12/27/12 10:16:09 PM
com.apple.SystemStarter[78]
Parallels Link-local IPv4 daemon v1.0.
12/27/12 10:16:09 PM
com.apple.SystemStarter[78]
Success: process 142 went to background
12/27/12 10:16:09 PM
com.apple.SystemStarter[78]
/usr/sbin/comapcpowerchutepe start: comapcpowerchute starting...
12/27/12 10:16:09 PM
sudo[134]
root : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/Applications/NETGEARGenie.app/Contents/MacOS/NETGEARGenieDaemon
12/27/12 10:16:09 PM
net.denyhosts[100]
Traceback (most recent call last):
12/27/12 10:16:09 PM
net.denyhosts[100]
File "/usr/local/bin/denyhosts.py", line 5, in <module>
12/27/12 10:16:09 PM
net.denyhosts[100]
import DenyHosts.python_version
12/27/12 10:16:09 PM
net.denyhosts[100]
ImportError: No module named DenyHosts.python_version
12/27/12 10:16:09 PM
net.denyhosts[100]
starting DenyHosts:
/usr/bin/env python /usr/local/bin/denyhosts.py --daemon --config=/usr/share/denyhosts/denyhosts.cfg
12/27/12 10:16:09 PM
Parallels[212]
Unloading kernel extension prl_vnic.kext
12/27/12 10:16:10 PM
com.apple.launchd[1]
(0x1005014a0.anonymous.nohup[242]) Bug: launchd_core_logic.c:8303 (24498):0
12/27/12 10:16:10 PM
com.apple.launchd[1]
(0x1005014a0.anonymous.nohup[242]) Switching sessions is not allowed in the system Mach bootstrap.
12/27/12 10:16:10 PM
com.apple.launchd[1]
(0x1005014a0.anonymous.nohup[242]) _vprocmgr_switch_to_session(): kr = 0x44c
12/27/12 10:16:10 PM
com.apple.launchd[1]
(0x100120790.anonymous.nohup[243]) Bug: launchd_core_logic.c:8303 (24498):0
12/27/12 10:16:10 PM
com.apple.launchd[1]
(0x100120790.anonymous.nohup[243]) Switching sessions is not allowed in the system Mach bootstrap.
12/27/12 10:16:10 PM
com.apple.launchd[1]
(0x100120790.anonymous.nohup[243]) _vprocmgr_switch_to_session(): kr = 0x44c
12/27/12 10:16:10 PM
Parallels[272]
Unloading kernel extension prl_usb_connect.kext
12/27/12 10:16:10 PM
Parallels[288]
Unloading kernel extension prl_hid_hook.kext
12/27/12 10:16:10 PM
Parallels[297]
Unloading kernel extension prl_hypervisor.kext
12/27/12 10:16:10 PM
Parallels[309]
Loading kernel extension prl_usb_connect.kext
12/27/12 10:16:10 PM
Parallels[317]
Loading kernel extension prl_hypervisor.kext
12/27/12 10:16:10 PM
kernel
Ethernet [Intel8254x]: Link up on en0, 1-Gigabit, Full-duplex, Symmetric flow-control, Debug [792d,af08,0de1,0e00,cde1,2c00]
12/27/12 10:16:11 PM
Parallels[328]
Loading kernel extension prl_hid_hook.kext
12/27/12 10:16:11 PM
Parallels[334]
Loading kernel extension prl_netbridge.kext
12/27/12 10:16:11 PM
kernel
/drv/ HypVtx.c:186   CPU is Intel
12/27/12 10:16:11 PM
kernel
/drv/ HypLowCache.c:193   Low cache initialized (35520 kB for 8 VMs on 4096 MB)
12/27/12 10:16:11 PM
kernel
/drv/ HypApic.c:211   Host APIC phy 0xFEE00000 lin 0x5dae1000 ver 0x14
12/27/12 10:16:11 PM
kernel
/drv/ HypVtd.c:3941   [vtdInit]
12/27/12 10:16:11 PM
kernel
/drv/ HypVtd.c:3957   [vtdInit] VTD initialization disabled
12/27/12 10:16:11 PM
kernel
/drv/ HypSMBios.c:54   Failed to find SMBios entry point
12/27/12 10:16:11 PM
kernel
/drv/ HypModule.c:184   Parallels IPI irq = 0 ipi = 0(0x0)
12/27/12 10:16:11 PM
kernel
/drv/ HypModule.c:194   Parallels Hypervisor 7.0.15107.796624 loaded.
12/27/12 10:16:11 PM
kernel
/prl_hid/ Parallels HID Helper started.
12/27/12 10:16:11 PM
Parallels[340]
Loading kernel extension prl_vnic.kext
12/27/12 10:16:11 PM
Parallels[345]
Trying to load kernel extensions, exit status: 0
12/27/12 10:16:11 PM
Parallels[348]
Starting Parallels networking...
12/27/12 10:16:11 PM
kernel
com.parallels.kext.prlnet 7.0.15107.796624 has started.
12/27/12 10:16:11 PM
kernel
com.parallels.kext.vnic 7.0.15107.796624 has started.
12/27/12 10:16:11 PM
kernel
com_parallels_kext_prl_vnic: created vnic0
12/27/12 10:16:11 PM
kernel
com_parallels_kext_prl_vnic: created vnic1
12/27/12 10:16:11 PM
Parallels[357]
Parallels networking sucessfully started
12/27/12 10:16:11 PM
Parallels[359]
Restarting CiscoVPN
12/27/12 10:16:11 PM
/Library/Parallels/Parallels Service.app/Contents/PlugIns/Parallels NAPT Service.app/Contents/MacOS/prl_naptd[355]
Starting Parallels Network Daemon
12/27/12 10:16:11 PM
SystemStarter[361]
Unknown service: CiscoVPN
12/27/12 10:16:11 PM
Parallels[364]
Starting Parallels Dispatcher Service
12/27/12 10:16:11 PM
Parallels[368]
Parallels Dispatcher Service sucessfully started
12/27/12 10:16:11 PM
/Library/Parallels/Parallels Service.app/Contents/PlugIns/Parallels NAPT Service.app/Contents/MacOS/prl_naptd[355]
vnic0: DHCP/NAT for 10.211.55.1-10.211.55.254 netmask 255.255.255.0
12/27/12 10:16:11 PM
/Library/Parallels/Parallels Service.app/Contents/PlugIns/Parallels NAPT Service.app/Contents/MacOS/prl_naptd[355]
vnic1: DHCP for 10.37.129.1-10.37.129.254 netmask 255.255.255.0
12/27/12 10:16:12 PM
kernel
/drv/ HypIoctls.c:779   Ioctl VT-d status: 0
12/27/12 10:16:12 PM
configd[14]
network configuration changed.
12/27/12 10:16:13 PM
com.bjango.istatmenusdaemon[103]
interface: en0
12/27/12 10:16:14 PM
com.apple.SecurityServer[31]
Session 0x52dc31 created
12/27/12 10:16:14 PM
com.apple.SecurityServer[31]
Session 0x52dc31 attributes 0x30
12/27/12 10:16:14 PM
com.apple.launchctl.LoginWindow[380]
launchctl: Dubious permissions on file (skipping): /Library/LaunchAgents/com.adobe.AAM.Updater-1.0.plist
12/27/12 10:16:14 PM
com.apple.launchctl.LoginWindow[380]
launchctl: Dubious permissions on file (skipping): /Library/LaunchAgents/com.netgear.NETGEARGenie.plist
12/27/12 10:16:15 PM
loginwindow[84]
Login Window Started Security Agent
12/27/12 10:16:15 PM
WindowServer[138]
kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
12/27/12 10:16:15 PM
com.apple.WindowServer[138]
Thu Dec 27 22:16:15 ML-Home-Desktop-Mac.local WindowServer[138] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
12/27/12 10:16:15 PM
SecurityAgent[386]
Showing Login Window
12/27/12 10:16:15 PM
kernel
2.2.05 Little Snitch: connection deferred for:/usr/libexec/XProtectUpdater uid:0 to:23.48.94.224 :80
12/27/12 10:16:31 PM
kernel
[098db600][BNBTrackpadDevice::init][54] init is complete
12/27/12 10:16:31 PM
kernel
[098db600][BNBTrackpadDevice::probe][54] entered
12/27/12 10:16:32 PM
kernel
[098db600][BNBTrackpadDevice::handleStart][54] Done
12/27/12 10:16:32 PM
kernel
[0991b300][AppleMultitouchHIDEventDriver::start] entered
12/27/12 10:16:32 PM
kernel
[09982a00][AppleMultitouchDevice::start] entered
12/27/12 10:16:36 PM
kernel
[BNBTrackpadDevice][waitForHandshake][28-37-37-2a-41-a4] Timeout waiting for handshake
12/27/12 10:16:36 PM
kernel
[098db600][BNBTrackpadDevice::_simpleSetReport][54] ERROR: setReport returned error 0xe00002d6
12/27/12 10:16:36 PM
kernel
[098db600][BNBTrackpadDevice::_setMultitouchReportID][54] ERROR: _simpleSetReport returned error 0xe00002d6
12/27/12 10:16:36 PM
kernel
[098db600][BNBTrackpadDevice::_getMultitouchReportInfo][54] ERROR: _setMultitouchReportID returned error 0xe00002d6
12/27/12 10:16:36 PM
kernel
[09982a00][AppleMultitouchDevice::_getFeatureReportInfo] ERROR: getMultitouchReportInfo returned error 0xe00002d6
12/27/12 10:16:36 PM
kernel
[09982a00][AppleMultitouchDevice::_deviceGetReportWithLookUp] ERROR: _getFeatureReportInfo returned result 0xe00002d6
12/27/12 10:16:38 PM
kernel
[BNBTrackpadDevice][waitForHandshake][28-37-37-2a-41-a4] Became inactive waiting for handshake
12/27/12 10:16:38 PM
kernel
[09982a00][AppleMultitouchDevice::willTerminate] entered
12/27/12 10:16:38 PM
kernel
[BNBTrackpadDevice][setReportWL][28-37-37-2a-41-a4] Could not send DATA command via interrupt channel
12/27/12 10:16:38 PM
kernel
[098db600][BNBTrackpadDevice::_setMultitouchReportID][54] ERROR: _simpleSetReport returned error 0xe00002c0
12/27/12 10:16:38 PM
kernel
[098db600][BNBTrackpadDevice::_getMultitouchReportInfo][54] ERROR: _setMultitouchReportID returned error 0xe00002c0
12/27/12 10:16:38 PM
kernel
[09982a00][AppleMultitouchDevice::_getFeatureReportInfo] ERROR: getMultitouchReportInfo returned error 0xe00002c0
12/27/12 10:16:38 PM
kernel
[09982a00][AppleMultitouchDevice::_deviceGetReportWithLookUp] ERROR: _getFeatureReportInfo returned result 0xe00002c0
12/27/12 10:16:38 PM
kernel
[09982a00][AppleMultitouchDevice::stop] entered
12/27/12 10:16:50 PM
kernel
[0746a000][BNBTrackpadDevice::init][54] init is complete
12/27/12 10:16:50 PM
kernel
[0746a000][BNBTrackpadDevice::probe][54] entered
12/27/12 10:16:50 PM
kernel
[0746a000][BNBTrackpadDevice::handleStart][54] Done
12/27/12 10:16:50 PM
kernel
[09923800][AppleMultitouchHIDEventDriver::start] entered
12/27/12 10:16:51 PM
kernel
[098dc600][AppleMultitouchDevice::start] entered
12/27/12 10:16:54 PM
SecurityAgent[386]
User info context values set for mlevin
12/27/12 10:16:54 PM
authorizationhost[385]
Failed to authenticate user <mlevin> (tDirStatus: -14090).
12/27/12 10:16:59 PM
SecurityAgent[386]
User info context values set for mlevin
12/27/12 10:16:59 PM
SecurityAgent[386]
Login Window Showing Progress
12/27/12 10:16:59 PM
SecurityAgent[386]
Login Window done
12/27/12 10:16:59 PM
loginwindow[84]
Login Window - Returned from Security Agent
12/27/12 10:16:59 PM
loginwindow[84]
USER_PROCESS: 84 console
12/27/12 10:16:59 PM
com.parallels.vm.prl_naptd[355]
QKqueueFileSystemWatcherEngine::addPaths: open: No such file or directory
12/27/12 10:16:59 PM
com.parallels.vm.prl_naptd[355]
QFileSystemWatcher: failed to add paths: /Library/Managed Preferences
12/27/12 10:17:00 PM
com.apple.launchctl.Background[395]
launchctl: Dubious permissions on file (skipping): /Library/LaunchAgents/com.adobe.AAM.Updater-1.0.plist
12/27/12 10:17:00 PM
com.apple.launchctl.Background[395]
launchctl: Dubious permissions on file (skipping): /Library/LaunchAgents/com.netgear.NETGEARGenie.plist
12/27/12 10:17:00 PM
com.apple.launchctl.Aqua[396]
launchctl: Dubious permissions on file (skipping): /Library/LaunchAgents/com.adobe.AAM.Updater-1.0.plist
12/27/12 10:17:00 PM
com.apple.launchctl.Aqua[396]
launchctl: Dubious permissions on file (skipping): /Library/LaunchAgents/com.netgear.NETGEARGenie.plist
12/27/12 10:17:00 PM
com.apple.launchd.peruser.501[394]
(com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
12/27/12 10:17:00 PM
com.apple.launchd[1]
(com.apple.xprotectupdater[75]) Exited with exit code: 252
12/27/12 10:17:01 PM
SystemUIServer[400]
MenuCracker 2.2 (/Library/Application Support/iStat Menus 4/extras/MenuCracker.menu)
See http://sourceforge.net/projects/menucracker
MenuCracker is now loaded. Ready to accept new menu extras.
12/27/12 10:17:01 PM
SystemUIServer[400]
failed to instantiate and get the principal class of bundle: NSBundle </Library/Application Support/iStat Menus 4/extras/MenuCracker.menu> (loaded)
12/27/12 10:17:02 PM
SystemUIServer[400]
MenuCracker: Allowing "iStatMenusCPU".
12/27/12 10:17:02 PM
SystemUIServer[400]
MenuCracker: Allowing "iStatMenusDisks".
12/27/12 10:17:02 PM
SystemUIServer[400]
MenuCracker: Allowing "iStatMenusMemory".
12/27/12 10:17:02 PM
SystemUIServer[400]
MenuCracker: Allowing "iStatMenusNetwork".
12/27/12 10:17:02 PM
SystemUIServer[400]
MenuCracker: Allowing "iStatMenusTemps".
12/27/12 10:17:02 PM
SystemUIServer[400]
iStat Menus loading extra - cpu
12/27/12 10:17:02 PM
SystemUIServer[400]
iStat Menus loading extra - diskusage
12/27/12 10:17:02 PM
SystemUIServer[400]
iStat Menus loading extra - memory
12/27/12 10:17:02 PM
SystemUIServer[400]
iStat Menus loading extra - network
12/27/12 10:17:02 PM
com.apple.launchd.peruser.501[394]
(com.adobe.ARM.42ac9929a05cbdd7f58fd6e4e7b56fce8abf441e6bb086a4605d75e8[428]) posix_spawn("/Volumes/SSD disk's clone/Applications/Adobe Acrobat 9 Pro/Adobe Acrobat Pro.app/Contents/MacOS/Updater/Adobe Acrobat Updater Helper.app/Contents/MacOS/Adobe Acrobat Updater Helper", ...): No such file or directory
12/27/12 10:17:02 PM
com.apple.launchd.peruser.501[394]
(com.adobe.ARM.42ac9929a05cbdd7f58fd6e4e7b56fce8abf441e6bb086a4605d75e8[428]) Exited with exit code: 1
12/27/12 10:17:02 PM
com.apple.launchd.peruser.501[394]
(com.adobe.ARM.3e1417e9549d2369b747c3eb25762e38be24fdd2f6636655133c410b[429]) posix_spawn("/Volumes/Primary 10.6 drive clone/Applications/Adobe Acrobat 9 Pro/Adobe Acrobat Pro.app/Contents/MacOS/Updater/Adobe Acrobat Updater Helper.app/Contents/MacOS/Adobe Acrobat Updater Helper", ...): No such file or directory
12/27/12 10:17:02 PM
com.apple.launchd.peruser.501[394]
(com.adobe.ARM.3e1417e9549d2369b747c3eb25762e38be24fdd2f6636655133c410b[429]) Exited with exit code: 1
12/27/12 10:17:02 PM
/Library/Parallels/Parallels Service.app/Contents/PlugIns/Parallels NAPT Service.app/Contents/MacOS/prl_naptd[421]
Starting Parallels Network Daemon
12/27/12 10:17:02 PM
com.parallels.vm.prl_pcproxy[421]
QKqueueFileSystemWatcherEngine::addPaths: open: No such file or directory
12/27/12 10:17:02 PM
com.parallels.vm.prl_pcproxy[421]
QFileSystemWatcher: failed to add paths: /Library/Managed Preferences
12/27/12 10:17:02 PM
iStatMenusAgent[423]
Loading istat menus agent
12/27/12 10:17:02 PM
com.apple.launchd.peruser.501[394]
(com.apple.Kerberos.renew.plist[418]) Exited with exit code: 1
12/27/12 10:17:02 PM
iStatMenusAgent[423]
iStat Menus Agent version 4.03 (416)
12/27/12 10:17:02 PM
SystemUIServer[400]
iStat Menus loading extra - sensors
12/27/12 10:17:02 PM
sudo[439]
root : TTY=unknown ; PWD=/ ; USER=mlevin ; COMMAND=/bin/launchctl load /Library/LaunchAgents/com.parallels.vm.prl_pcproxy.plist
12/27/12 10:17:02 PM
sudo[443]
root : TTY=unknown ; PWD=/ ; USER=mlevin ; COMMAND=/bin/launchctl start com.parallels.vm.prl_pcproxy
12/27/12 10:17:03 PM
detectpen[452]
did set up runloop
12/27/12 10:17:03 PM
[0x0-0x16016].com.livescribe.PenAutoLaunch[447]
2012-12-27 22:17:03.080 detectpen[452:903] did set up runloop
12/27/12 10:17:03 PM
detectforcon[451]
did set up runloop
12/27/12 10:17:03 PM
detectpen[452]
did add service matching notification fun 0
12/27/12 10:17:03 PM
detectpen[452]
deviceFound, iterating
12/27/12 10:17:03 PM
[0x0-0x16016].com.livescribe.PenAutoLaunch[447]
2012-12-27 22:17:03.109 detectpen[452:903] did add service matching notification fun 0
12/27/12 10:17:03 PM
[0x0-0x16016].com.livescribe.PenAutoLaunch[447]
2012-12-27 22:17:03.110 detectpen[452:903] deviceFound, iterating
12/27/12 10:17:03 PM
[0x0-0x17017].com.livescribe.AutoLaunchForConnect[448]
2012-12-27 22:17:03.080 detectforcon[451:903] did set up runloop
12/27/12 10:17:03 PM
detectforcon[451]
did add service matching notification fun 0
12/27/12 10:17:03 PM
[0x0-0x17017].com.livescribe.AutoLaunchForConnect[448]
2012-12-27 22:17:03.124 detectforcon[451:903] did add service matching notification fun 0
12/27/12 10:17:03 PM
detectforcon[451]
deviceFound, iterating
12/27/12 10:17:03 PM
[0x0-0x17017].com.livescribe.AutoLaunchForConnect[448]
2012-12-27 22:17:03.134 detectforcon[451:903] deviceFound, iterating
12/27/12 10:17:04 PM
AutoLaunchForConnect[448]
exiting
12/27/12 10:17:04 PM
PenAutoLaunch[447]
exiting
12/27/12 10:17:09 PM
com.apple.Finder[401]
Dropbox: Entered INJECT_pthread_entry
12/27/12 10:17:09 PM
com.apple.Finder[401]
Dropbox: Installing event loop timer
12/27/12 10:17:09 PM
com.apple.Finder[401]
Dropbox: proc: 0x1016cbe53
12/27/12 10:17:09 PM
com.apple.Finder[401]
Dropbox: upp: 0x1016cbe53
12/27/12 10:17:09 PM
com.apple.Finder[401]
Dropbox: InstallEventLoopTimer: 0x7fff803fcdd8
12/27/12 10:17:09 PM
com.apple.Finder[401]
Dropbox: GetMainEventLoop: 0x7fff803fcc41
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Dropbox: timer installed!
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Dropbox: Loading /Library/DropboxHelperTools/Dropbox_u501/DropboxBundle.bundle/Contents/MacOS/Dr opboxBundle
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com.apple.Finder[401]
Dropbox: dlopen returned: 0x1014b3e40
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com.apple.Finder[401]
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osascript[485]
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Initializer-based scripting additions have been deprecated. Please update this addition: "/Library/ScriptingAdditions/Adobe Unit Types.osax"
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osascript[500]
Initializer-based scripting additions have been deprecated. Please update this addition: "/Library/ScriptingAdditions/Adobe Unit Types.osax"

How do I make an internal hard drive not mount at startup?

I have an internal hard drive hooked to an ACARD ATA RAID controller that I use for backup purposes, and I would like to mount and unmount it manually. Disk Utility in OS9 and earlier had an option not to mount a disk at startup, but I see no such option in OS X.
I can manually unmount the drive in Disk Utility, but it always comes back up when I reboot. How can I keep the drive from mounting upon reboot?

I discovered this in a quick internet search.
http://www.macseven.com/files/20070719how_to_prevent_a_drive_volume_frommounting.html
Please note that I have never personally done this and am not recommending it. But maybe it will give you some guidance.
Regards,
Steve M.

Internal drives from my older Macpro keeping my new 8 core from booting

I am upgrading from an older dual core Macpro to a new 8 core and found that if I install any of the internal drives from my older Macpro in the new 8 core the computer won't boot. The drives just have data on them no applications of operating software. The older boot drive won't let the 8 core boot either if its installed.
Anyone know if this is to be expected and if so why? I will have to copy 3 - 1 TB drives if they can't be directly used in the new computer.
Thanks

I've seen a severe corrupt directory cause Macs to refuse to boot from any drive, even from CD/DVDs making it hard to repair and requiring a USB/FW case to repair/format or recovery files.
During startup the system has to scan for valid boot drives even though startup disk tells it where to try to boot from.
Also yours by default boots in 64-bit mode.
Once you have the files you need copied over, why not just reformat and clone your current system.

Possible to keep a volume from mounting at startup?

I am fixing my Aunt's MacMini with 10.4. I have another volume on the disk where I have a second installation of 10.4 with utilities. I'd like to keep this volume unmounted if possible.
Is there a way I can stop this volume from mounting at startup?
Thanks,
Sean

Check out of this thread.
http://discussions.apple.com/thread.jspa?messageID=5865087&#5865087
Here is my current version of the shell script.
#!/bin/sh
#disktool -e disk0s9
for ((i=0;i<4;i++))
diskutil unmount /Volumes/classic | grep "Volume /Volumes/classic unmounted"
rc=$?
echo "rc="$rc
if [ $rc -eq 0 ]
then
echo "unmounted i="$i
break
fi
echo "i="$i
sleep 8
}

Internal hard drives not mounting on startup

Problem: I recently did a clean install of Mac OS X 10.8 Mountain Lion on my Early 2008 Mac Pro. Since then, one or more of my four internal hard drives will not mount at startup, and it's seemingly random which ones will or won't mount; it differs from one startup to the next. Obviously, the boot drive starts up, but the remaining three drives are hit-or-miss.
Troubleshooting So Far: I can open Disk Utility and mount the disk(s) manually, and when I click Verify Disk, the hardware checks out okay. After my most recent startup, I brought up the System Log in Terminal (sudo syslog -B) and found this entry for one disk ("Media 1") that did not mount:
Apr 25 10:40:09 new-host-2.home fseventsd[48] <Critical>: event logs in /Volumes/Media 1/.fseventsd out of sync with volume. destroying old logs. (454 0 68038)
Apr 25 10:40:09 new-host-2.home revisiond[33] <Warning>: Had metainfo
Apr 25 10:40:09 new-host-2.home revisiond[33] <Warning>: UUIDs match!
Apr 25 10:40:09 new-host-2.home fseventsd[48] <Critical>: log dir: /Volumes/Media 1/.fseventsd getting new uuid: 1D55396E-183E-42AA-B788-FEFFF8694C10
Apr 25 10:40:09 new-host-2.home fseventsd[48] <Critical>: Events arrived for /Volumes/Media 1 after an unmount request! Re-initializing.
Apr 25 10:40:09 new-host-2.home fseventsd[48] <Critical>: creating a dls for /Volumes/Media 1 but it already has one...
Apr 25 10:40:09 new-host-2.home SecurityAgent[147] <Notice>: User info context values set for dangreene
Apr 25 10:40:09 new-host-2.home fseventsd[48] <Error>: disk logger: failed to open output file /Volumes/Media 1/.fseventsd/0000000000000c6d (No such file or directory). mount point /Volumes/Media 1/.fseventsd
There were no entries for the disks that mounted correctly. Can anyone make sense of this for me? The system jargon is a little beyond me.
Thanks for your help!

Is "Media 1" the name of the volume, or is it just "Media"?

2nd internal drive not mounting, melodic tones at startup

Main drive with System folder on it opens fine at startup, 2nd drive which is a 160 GB Maxtor drive will not mount, nor show up on Disk Utility. Both drives are connected correctly to a Sonnet Tempo ATA/133 card and have been working fine for over three years. Yesterday I went to startup and my computer made a melodic tone similar to a cell phone ringing. Is this an indicator that something's wrong with the drive? The computer is a 867mhz Quicksilver running OS 10.2.8. I tried a few things, I ended up disconnecting the 2nd drive from the ribbon connector & power supply and the melodic tones quit playing at startup. I tried the same ribbon connection and power supply from the dead drive on my good drive and it works fine. I can always replace a bad drive if that is the case, but I had some important video projects on the drive without a backup (lesson well learned here, ouch!). Is it possible to retrieve the data even though the drive will not mount? Any app suggestions or how do I attempt to accomplish this? Thank you!

Many hours worth of work recovered from failed drive! Cool! If anyone out there experiences what I just went through here is what I did:
The Maxtor drive wouldn't spin at startup, apparently the drive has a melodic tone that is supposed to "kickstart" the drive into spinning again when it fails. Well, it didn't do it's thing for me, so I went out and bought a Western Digital drive (supposedly a more reliable brand) with the same 160 GB capacity. I installed and partitioned it, then I installed the bad Maxtor drive in the third bay and ran another cable to my Tempo ATA card's second patch. I left the computer side door open, started up the computer and the drive started to make it's melodic tones again. I knocked on the top of the bad drive with a rubber hammer - wwrrrr, the drive took off running again! It didn't mount the first time, but after a restart it started up on it's own and mounted. What super luck! I was able to transfer all of my work onto the new drive without a hitch. I also found that is very important to read directions pertaining to the proper way to connect a jumper connector on the back of a drive when using multiple drives with an ATA card. I don't trust the Maxtor drive anymore now, so I will just pull it out of the machine. Thanks for the tips Noble B!

WD hard drive not mounting on startup...

Grrr! This is driving me nuts! I have a WD MyBook Essential 2.0T USB hard drive connected to my iMac 27" i7, and every time I reboot the iMac, the drive fails to remount. Disk Utility doesn't recognize it, either. My only option is to disconnect the USB cable and then reconnect it. The drive then shows up. But pulling a cable is so very not an acceptable solution! Don't think data can be corrupted if the drive hasn't mounted, but still....
I have four other, older WD drives and none do this. I had a more recent WD MyBook Essential drive that also wouldn't mount on startup on my old MacBook Pro, wouldn't take the updated firmware, and kept corrupting files, and I ultimately replaced it with this new 2.0T drive shortly after getting the new iMac. But even with a new drive, new iMac, and different cable, I still can't get the WD drive to mount upon reboot. Arrggghh!
Has Western Digital done something different with these newer drives? How can I get this thing to mount after a reboot?
Thanks!

Steve Porritt wrote:
Has Western Digital done something different with these newer drives? How can I get this thing to mount after a reboot?
Thanks!
Western Digital has been playing with their firmwares for years. They keep trying to maximize power efficiency to anticipate when the computer will use the drive and shut it down when it's not required. This isn't really a good thing for Time Machine, and I don't want any vendor to constantly change their firmware for their purposes. Many other companies seem to be able to build drives that just work.
I've updated the firmwares on many of these drives for clients because they performed so flakey with both USB and Firewire. I think there are problems with the firmwares being designed to maximize power consumption at the cost of not being always ready for Time Machine. Some of the WD firmware is actually on the drive itself, not the interface chipset, so problems return when you swap out the drives in the cases...
In addition, I have no need for all of the freeware/backup programs and other features they junk up these drives with. I just want reliable drives for backing up files, without having to uninstall their embedded programs. I found this review that pretty much sums it up for me: http://www.amazon.com/review/R1FBX79QK9IR9N/ref=cmcr_prviewpnt#R1FBX79QK9IR9N
Looks like you've been burned twice by their eager, innovative engineers.
I buy all of my external hard drives from OWC at http://www.macsales.com

Internal drive not mounted

My Macbook Pro will not mount my internal drive. I tried using Disc Utility from my Snow Leopard disc but it states that the drive is not mounted and that i need to restore and recover.I have seen a few threads about Lion and issues with mount points but they mostly addressed external and secondary drives.Any suggestions?

That's what it seems like from your tests.
A tip for the future. Get an external drive and keep a bootable clone of your internal drive. Keep it updated with a program like SuperDuper. In the event of a drive failure, you can alway boot from the external clone. Makes it easy to restore to a new drive.
Good Luck

Prevent Encrypted Partition From Mounting at Boot

I have an external USB HDD partitioned into two. Both partitons are encrypted. I use partition A for a time machine backup for my mac, and the other (when pluged in to a different macbook) is used similarly for that machine. Every time I boot up, or plug the drive in, I get 2 dialogue boxes asking me to enter passwords - one for each partiton.
I'd like is to set my OS to not mount the second partition on boot at all (no password dialogue / no disk in finder). If I need to mount it, I'd like to be able to do so via Disk Utility.
I've tried using the method described here: https://discussions.apple.com/thread/4271735?start=0&tstart=0, but it does not work - perhaps because my partiton is encrypted? Is there perhaps a different fs type for encrypted disks? (not "hfs").
I've also followed this thread: https://discussions.apple.com/thread/4870225 , but I'm reticent to switch off automounting totally because I use other encrypted disks for work and need them to mount at boot.
Any thoughts?

Linc Davis wrote:
It seems that the fstab method doesn't work with CoreStorage volumes.
Yes, that's correct. Core Storage doesn't look at fstab at all.
If the only Core Storage volumes you have are encrypted containers, you can achieve the desired outcome by disabling boot time invocation of the Core Storage daemon. Please note that Apple's Fusion Drive technology relies on Core Storage, so if you have a system with Fusion Drive, this workaround may break your computer.
Linc Davis wrote:
There is no way I know of to prevent automounting of CoreStorage volumes selectively. You may be able to prevent all CS volumes from automounting by deleting or commenting out the "LaunchEvents" key in this file:
That's the idea, but good heavens, don't comment things out in launch plists! Do it right, use launchctl.
The Core Storage daemon normally runs at boot, and manages logical volumes assigned to Core Storage—specifically, in the OP's case, encrypted containers. If you have no other mission-critical Core Storage volumes, you may use the launchctl command to disable the Core Storage daemon, using the unload -w argument, as per the launchctl man page:
unload [-w] [-S sessiontype] [-D domain] paths ...
              Unload the specified configuration files or directories of con-
              figuration files. This will also stop the job if it is running.
              -w       Overrides the Disabled key and sets it to true. In pre-
                       vious versions, this option would modify the configura-
                       tion file. Now the state of the Disabled key is stored
                       elsewhere on-disk.
So, in Terminal, the command to prevent Core Storage from running at boot time would be as follows:
$ sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.corestorage.corestoraged.plist
Please note again that Apple's Fusion Drive technology relies on Core Storage, so if you have a system with Fusion Drive, this workaround may break your computer.
After disabling the Core Storage daemon, you may still mount encrypted volumes using Disk Utility, or the command line (hdiutil attach /dev/diskX where /dev/diskX is the encrypted container).
Hope this helps.

Moving Internal Drives from a G4 to a G5?

I have a G4that I use for audio editing, but it's dying on me, and I want to upgrade to a G5. But from what I've read, the G5 can only use SATA internal drives. My G4 has two large internal drives, one 250GB for my system files, and general document files, and one 400GB for my audio files. I believe they're both internal SCSI drives connected to a 133 PCI card that I installed (without it, the machine could not read "large" drives). If I buy a used G5, will I be able to use those drives in the G5? Or will I need all new drives to put in it?

Oh boy, I love SCSI, but unless that card works in the G5 you're out of luck, but that beeing said I think, (hope), they might be IDE/ATA drives, then you could put them in Firewire cases to use them, but IDE/ATA Firewire cases are drying up fast, here's one...
http://eshop.macsales.com/item/Newer%20Technology/MSFWU20GBSW/

Internal drive wont mount via Sonnet ATA100 card

My Sonnet Tempo ATA100 pci card does not recognize my 200GB Seagate IDE hard drive in my G4 tower. The drive appears fine on desktop when connected to original mother ribbon. What can it be?

Hello Web dude,
Several thoughts....
Controller cards can be persnickety about what they see (or allow to be seen).
Do not rush out to buy another controller card. If you have access to another controller card (free), by all means try substituting it.
Sonnet controller cards are bashful, and are not always seen by your Mac even when they are working. This makes diagnosing problems more difficult. They should be seen by Disk Utility however, even if they are not seen by the Apple profiler.
A controller card sees its hard drive as a SCSI drive, and the hard drive needs to be formatted when connected to the controller card in order to install its SCSI drivers. (This is, of course, difficult when you can't find the drive in the first place.)
Try different configurations: jumper settings, as slave to another drive if you have one, different cable or different socket on the controller card, resetting the PRAM and/or the motherboard, mounting in a different Mac if you have one handy --- substituting with known-good parts is always a good idea.
Check the PRAM battery.
Reset the start-up disk.
Repairing disk permissions is never a bad idea.
Try booting to an installer disk, or a utility disk such as Disk Warrior.
As example: last week my spare Mac (DA) saw three drives, one master, two slaves, all on an ACARD 6280 controller card. Just now, as I fired it up to reply to your post, it refused to see the first slave drive. Anywhere... Solution was to remove the second drive from the system, boot, note that the Mac now saw the first slave drive, replace the second slave drive into the system, boot again. Voila! Back again! A genius! Go figure!
Good luck... Jon

Preventing Desktop Mananger from loading at startup

Hi
I am running Vista and the latest version of BB Desktop Manager on my laptop.
Sometimes, I need to be up and running quickly, but DM takes ages to load on my laptop and prevents other programs from starting too.
Is there a way to set DM so that it only starts when I want it to - not when Windows starts?
Any help appreciated!
Solved!
Go to Solution.

This option comes while installing Desktop Manager. You need to modify installing option from Add/Remove programs of you computer. There you'll find Modify option and then go to Repair Desktop Manager. Uncheck the start up option.
Another way is modifying Startup process of the windows by using msconfig command.
tanzim
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Prevent internal drive from mounting at startup

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