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    Subject[RFD] Incremental fsck
    Andi Kleen wrote:
    > Theodore Tso <> 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!


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      Last update: 2008-01-08 22:27    [W:0.026 / U:1.144 seconds]
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