Messages in this thread | | | From | Al Boldi <> | Subject | [RFD] Incremental fsck | Date | Wed, 9 Jan 2008 00:22:55 +0300 |
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Andi Kleen wrote: > 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.
Has there been some thought about an incremental fsck?
You know, somehow fencing a sub-dir to do an online fsck?
Thanks for some thoughts!
-- Al
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