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Re: hardware or software bug?




Matt Bernstein wrote:
> At 14:20 +0100 Stephen C. Tweedie wrote:
>>More seriously, since 2.4.11, there's a page-cache/buffer-cache
>>aliasing problem which can lead to this being hit in ext3 if you
>>merely read from the buffered block device on which the fs sits. This
>>can happen, for example, if you dump(8) a live filesystem. I've got a
>>fix pending for the ext3 side of that problem, and have posted the
>>core VFS fix to l-k.
>
> *blush* We dump our filesystems live. I bet we're not the only ones.
>
Short of lvm, is there any other way to backup a ext3 live filesystem, that is say one mounted as /, /usr, etc and have it as a clean(empty journal) backup copy?


Amit





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