[Bug 619012] Re: Parallel fsck is very slow with multiple partitions on one drive
gregrwm
619012 at bugs.launchpad.net
Mon Nov 18 18:29:08 UTC 2013
in the quest to make this better, perhaps we could be a tad circumspect,
and have a peek at a description of doing this well:
http://www.freebsd.org/cgi/man.cgi?query=fstab&sektion=5
start reading at "The sixth field".
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https://bugs.launchpad.net/bugs/619012
Title:
Parallel fsck is very slow with multiple partitions on one drive
Status in “mountall” package in Ubuntu:
Confirmed
Bug description:
Binary package hint: mountall
Before 10.04, Ubuntu fsck'ed every partition serially. In 10.04,
multiple partitions on one drive are fscked in parallel. The change
was made in:
https://bugs.launchpad.net/ubuntu/+source/mountall/+bug/491389
I have three ext4 partitions on a 640GB drive, which I fsck on every
boot. This used to take ~1 minute, because ext4 fsck is very fast.
In 10.04, it takes about 10 minutes. I don't think the "set their
priorities so that thrashing is avoided" solution mentioned in the
above bug is adequate (if it's working at all). Please disable the
parallelism for multiple partitions, or make it obvious how to do so.
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