On Wednesday, January 17, 2007 @ 8:34 PM, Jay C Vollmer wrote:

>On Wednesday 17 January 2007 20:15, Greg Wallace wrote:
>> I want to try running a manual fsck on my main partition.  I booted into
>> runlevel 3 and tried "umount /dev/hda2" but got "device is busy".  I'm
>> thinking that I should be trying to unmount the filesystem itself, not
the
>> device, but don't know how to figure out what that is (and I can't 
remember
>> a command that would show the filesystem name associated with the
device).
>> Then again, maybe I'm way off base here.  Anyway, I just need to be able 
to
>> unmount the filesystem so I can run fsck on it.  Can someone tell me what

to
>> enter to do the unmount?

>To list the mounted filesystems and the device entries associated with each

>of these, use the 'df' command.

>To unmount one of these filesystems, first make sure that nothing is 
>accessing the filesystem in question.  Once this is the case, issue the 
>following as root:

>       umount -v filesystem_name

>If you get the message that a filesystem cannot be unmounted because it is 
>busy, use the 'lsof' command to see which processes are still using that 
>filesystem.  Term any processes holding the filesystem hostage and then try

>umount again.

>-- 
>JAY VOLLMER        [EMAIL PROTECTED]
>TEXT REFS DOUBLEPLUSUNGOOD SELFTHINK
>VERGING CRIMETHINK - IGNORE FULLWISE

Well, I entered lsof and about 6 or 7 screens of data rolled by.  Looks like
booting from the installation DVD is the only (reasonable) way to get there.

Greg W.


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