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SubjectRe: [RFC] klibc requirements, round 2
On Mon, 14 Jan 2002, Andreas Dilger wrote:

> Actually, the whole point of Juan's suggestion was that you _don't_ want
> to fsck a filesystem that is currently mounted. There is always a
> potential problem that fsck will change the on-disk data of the filesystem
> in a way that is not coherent with what the kernel has in-memory, which
> should force a system reboot before continuing (which most initscripts
> don't do). For ext2/ext3 this may be relatively safe (data/metadata don't
> move around much), but reiserfsck cannot (or will not) fsck a mounted
> filesystem at all.

Interesting point. Modulo any existing LVM brokenness, we can do this with
a read-only snapshot and pivot_root afterwards. Alternately, a read-only
/bootsupport or something of the sort which contains *fsck. What we don't
want is initramfs to get big.

--
"Love the dolphins," she advised him. "Write by W.A.S.T.E.."

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