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On 6/25/06, Benno Schulenberg <benno.schulenberg@×××××.com> wrote: |
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> Mark Knecht wrote: |
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> > I seem to have file system problems on my external |
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> > 1394 hard drives. I do not know if this is due to a recent move |
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> > to 2.6.17-rt1, or bad maintenance on my part, or just bad luck. |
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> |
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> Hopefully just bad luck (a failing drive, or a power hickup), but a |
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> kernel bug can't be ruled out. As for bad maintenance... with any |
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> data that you value, a regular disk inspection is needed: a maximum |
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> mount count of something like 15 or an interval of two weeks. |
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OK, well these drives were never being tested. I've not been clear how |
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to best do that on an external drive that is removable like 1394. I've |
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set the test interval to 1 day for now. We'll see if it pops anything |
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up. |
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As for the data, like everyone, I value it, but it's primarily my CD |
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collection which has been ripped for easy playing. My thought was that |
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since the disk isn't written very often (when I get a new CD) and |
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things are mostly read-only, there shouldn't be many problems, but |
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that doesn't save me from a disk going bad. |
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Is it the case that the journal is only used to repair the disk when |
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fsck is run? I don't understand when ext3 would use that. |
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Also, if these drives are turned off at night, then on again the next |
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day, and mounted by the user, then where does fsck info from the daily |
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check go? dmesg??? |
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|
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> |
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> > This evening, for no good reason since I don't know what I am |
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> > doing, I decided to run fsck and let it look around and fix |
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> > things if it wanted to. I wouldn't know how to do any better. |
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> |
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> Use tune2fs to set the checking interval to 1 week. Or better yet, |
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> to 1 day for now, to keep inspecting the disk everyday for a while. |
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> Use 'tunefs -l ...' to see the current values. |
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Yes, 1 day for now on all partions of both 1394 drives. |
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> |
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> > At the end of this I wondered if there is really any value to a |
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> > journaled file system? Did it protect me? I cannot tell. |
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> |
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> It won't protect you when the disk is going bad, nor when the kernel |
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> has bugs. It only protects you from losing data during a sudden |
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> power loss. |
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> |
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> Benno |
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Thanks Benno! |
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|
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Cheers, |
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Mark |
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-- |
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