On a Linux server, there seems to be loss of data at users homes. Where can we find information about the possible loss of data? How to proceed to change the defective Disk (supposing that the filesystem containing the homes is on an independent disk system)?
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I'd check your SMART status. – Lucas Kauffman Jun 11 '12 at 20:21
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What do you mean by `seems to be`, what evidence do you have ? – user9517 Jun 11 '12 at 20:26
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Start by checking your **backups**. Is the data in your backups different from the working set? – Zoredache Jun 11 '12 at 20:32
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You have two possible culprits: a user or hardware failure.
Auditing should give you an idea if it's user error or misdeed, though it won't help if you didn't already have any enabled.
SMART status, system logs, and other logging facilities that may be available for your controller should tell you if it's hardware failure. Chances are, though, that you'd have known it by now if the drive was going south.
Hyppy
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@alfish `smartmontools` is a good starting point. You can also use various bootable media like Ultimate Boot CD. – Hyppy Jun 12 '12 at 13:10