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Old 03-13-2005, 07:31 AM   #1
PeaceTank
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Exact procdure for using fsck [solved]


I'm a bit confused on the exact procedure for using fsck. I need to check my system, but when I go down to init 1 and try to fsck it still tells me that I'm mounted read/write, so it can't do anything. What is the exact procedure that I should follow for using fsck?

Last edited by PeaceTank; 03-13-2005 at 06:39 PM.
 
Old 03-13-2005, 07:42 AM   #2
__J
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use the remount option with mount, make sure you mount it read-only (see man mount).

as far as the procedure, it depends on the file system you are using. The file system utilities differ a little on syntax and usage, so make sure you pass the --help option before you do anything.
 
Old 03-13-2005, 07:58 AM   #3
PeaceTank
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Okay, but I don't see how to use 'remount'. I'm trying to fsck my root files system (/dev/sda3, reiserfs), but I can't figure out how to remount read only. If you could clarify what you mean I would appreciate it.
 
Old 03-13-2005, 08:14 AM   #4
__J
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do you still have your gentoo install cd?
 
Old 03-13-2005, 08:26 AM   #5
PeaceTank
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I believe so.
 
Old 03-13-2005, 08:35 AM   #6
__J
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you can either use that ( boot it, when you get to the prompt do "reiserfsck --help" to get your options ( I believe the gentoo cd has the file-system utils on it - most distro's do))

or try:

mount -n -o remount,ro /

to try to remount the filesytem ro

keep in mind, you'll have to offload it first ( turn off the swap, unmount the proc file-system, devpts, and whatever else is mounted)

the easiest way is usually the install cd route.
 
Old 03-13-2005, 09:11 AM   #7
tredegar
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PeaceTank,

It may be easier to let the system do a fsck at boot time:

shutdown -Fr in a console will force fsck to run as the machine is rebooted.
 
Old 03-13-2005, 06:39 PM   #8
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Yeah, so I tried using the forced fsck on shutdown, but it didn't catch the error for some reason. I used the Live CD method and it fixed everything up great! Thanks!
 
  


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