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Help - Drive will not mount. Any suggestions?
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Senior User
Join Date: Mar 2002
Status:
Offline
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I had inadvertently disconnected my firewire drive without ejecting it, and now it will not mount. It shows up in Disk Utility, you can repair it, and verify it, and Disk First Aid says it's ok, but it will not mount at all. Clicking the mount button gets you nothing.
Attatching the drive to the wife's iBook gets you nothing in Disk Utility...
Doing some more digging:
In the system.log file, I get this message:
Mar 11 23:41:55 Matt-Brydas-Computer diskarbitrationd[116]: unable to mount /dev/disk1s1 (status code 0x0000001C).
I've tried running fsck on the drive, and that tells me:
[Matt-Brydas-Computer:~] matt% fsck /dev/disk1s1
** /dev/rdisk1s1
BAD SUPER BLOCK: MAGIC NUMBER WRONG
LOOK FOR ALTERNATE SUPERBLOCKS? [yn] y
SEARCH FOR ALTERNATE SUPER-BLOCK FAILED. YOU MUST USE THE
-b OPTION TO FSCK TO SPECIFY THE LOCATION OF AN ALTERNATE
SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).
Anyone have any suggestions? Will Disk Warrior fix this? I moved a boatload of stuff to the drive and I'd like it back before I scream!
Thanks in advance!
(Last edited by mbryda; Mar 11, 2004 at 11:26 PM.
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Senior User
Join Date: Jan 2001
Location: melbourne, australia
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Offline
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i had endless nightmares with my laCie bus powered FW drive
turns out i hadn't updated firmware on the computer before leaving OS9 behind
short term, though: try putting computer to sleep overnight
the drive might well appear in the morning, then you can eject it properly
posthumanus
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Addicted to MacNN
Join Date: Jan 2001
Location: The Sar Chasm
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Offline
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DiskWarrior is certainly worth a shot. It's saved my bacon more than once, though I'm not certain about this "superblock" thing, as I've never seen that terminology before, but DW fixes a lot of things that fsck doesn't, like volume wrappers. You'd benefit from owning a copy anyway, so give it a whirl.
CV
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When a true genius appears in the world you may know him by this sign, that the dunces are all in confederacy against him. -- Jonathan Swift.
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Mac Elite
Join Date: Apr 2000
Location: Los Angeles, CA
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Offline
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I've run into the occasional problems with my Firewire drive. In the first few days that I bought it, the drive would suddenly just "freeze" (activity LED steady in amber, meaning a read/write activity). I've had to disconnect the Firewire cable and reconnect it, much to the complaint of the OS that warned me about potential data loss. Thankfully I've not managed to hose the drive.
There was a time when even after reconnecting the cable it wouldn't mount the drive, similar to your situation. And worse still is that at times it wouldn't register in Disk Utility or System Profiler. What helped me was to unplug the Firewire device, power it down, restart the Mac, reconnect the device, and then power it up.
In your case, it looks like something's gone awry with the filesystem. Have you tried repairing it with Disk Utility? Its worth a shot.
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Senior User
Join Date: Mar 2002
Status:
Offline
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Originally posted by ginoledesma:
In your case, it looks like something's gone awry with the filesystem. Have you tried repairing it with Disk Utility? Its worth a shot.
The weird thing is Disk utility and repair volumes tell me that the drive is OK. That's the strangest part. I may try the power off and on of the drive and see if that helps.
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