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fsck errors - serious?  RSS feed

 
Adam Hardy
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Hi All,
about once a month my linux redhat box decides it's got something wrong with the harddrive and on boot-up it tells me to run fsck, which I do and then I see a whole bunch of errors, about 100 or more.
This is after a clean shutdown the day before, and the harddrive is only 6 months old (a Seagate IDE 40gig affair).
Nothing ever seems to be affected in the running of the system, but I feel very uneasy. Could it be sunspots, or is there something I can do?
These are a few of the errors:
Inode 9876 has compression flag set on filesystem without compression support
Illegal block #12 (32423) in Inode 489823
Inode 12345 has a bad node
Inode 43211 is an illegal block device
Entry 'lng.png' in /usr/share/blah (43215435) has deleted/unused inode 908766
Block bitmap differences -4321 -4325 - 5234
Free blocks count wrong for group #324 (54321)
 
Michael Ernest
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Mm -- that's an odd assortment of complaints. Then again, if your system isn't able to quiesce the file system gracefully, all sorts of stuff can happen, depending on how much caching the system does while running.
So long as fsck is able to correct such problems and allows you to mount the filesystem again, you know the integrity of the file system is ok. Whether any data has been damaged is not absolutely certain, but generally if the file system can be repaired, data is likely to be ok or at worst reverted to a form previous to the last save.
In short, check your data, and if that's ok, don't sweat it.
 
Adam Hardy
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That's a relief. I just noticed that on shutdown, as redhat goes thro' its list of services to close, it says:
NFS File Locking Service
NFS statd [FAILED]
Do you think this is connected? It happens at every shutdown.
 
Frank Carver
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Do you actually use NFS? If you don't have other (non-Linux) unix systems you want to share storage with in your local network, I reckon you probably don't.
Try switching NFS off and see what happens.
 
Adam Hardy
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No, I don't use NFS conciously - and I don't want to share network drives from this computer, so I turned it off. Thanks.
 
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