Messages in this thread | | | Subject | Re: The ext3 way of journalling | From | Andi Kleen <> | Date | Tue, 08 Jan 2008 21:51:53 +0100 |
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Theodore Tso <tytso@mit.edu> writes: > > Now, there are good reasons for doing periodic checks every N mounts > and after M months. And it has to do with PC class hardware. (Ted's > aphorism: "PC class hardware is cr*p").
If these reasons are good ones (some skepticism here) then the correct way to really handle this would be to do regular background scrubbing during runtime; ideally with metadata checksums so that you can actually detect all corruption.
But since fsck is so slow and disks are so big this whole thing is a ticking time bomb now. e.g. it is not uncommon to require tens of minutes or even hours of fsck time and some server that reboots only every few months will eat that when it happens to reboot. This means you get a quite long downtime.
-Andi
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