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Re: data loss after system freeze - normal?
On Thu, Jul 10, 2008 at 04:02:53PM +0300, Cem Kayali wrote:
> Could NetBSD friends share their experiences once a NetBSD 4.X system
> completely freezes and is restarted by only clicking on power button?
> Well, the system rebooted and fcsk started. Then i noticed that
> master.passwd didn't exist anymore and passwd is empty. I set root pass
> in single user mode and checked some of config files and restored from
> backup. I couldn't find any lost+found either. No crash file.
Maybe there was an operation in progress on the passwd files when the
system hung ?
> My questions are
> - Whether data-loss is normal after fsck completes its job with no
> lost+found entries.
No, but you can have trucated or corrupted files if they got written
shortly before the crash. I think a file that was being created when
the crash occurs can be deleted entirely. This is why I suggest a passwd
operation when the freeze occured.
> - Whether data-loss is probable on ie; /home partition although it is rw
> mounted but untouched before freeze.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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