[arch-general] systemd fsck

[Leonid Isaev]

On Sat, 11 Aug 2012 14:09:03 +0300
Mantas Mikulėnas <grawity at gmail.com> wrote:

> On Sat, Aug 11, 2012 at 6:27 AM, David Benfell
> <benfell at parts-unknown.org> wrote:
> > 2) But I did notice an error that worried me--just because it looks
> > worrying--as it came up:
> >
> > Aug 09 13:34:36 graton systemd-fsck[270]: /dev/sda3 is mounted.
> > Aug 09 13:34:36 graton systemd-fsck[270]: e2fsck: Cannot continue,
> > aborting.
> > Aug 09 13:34:36 graton systemd-fsck[270]: fsck failed with error code 8.
> > Aug 09 13:34:36 graton systemd-fsck[270]: Ignoring error.
> > Aug 09 13:34:36 graton systemd-fsck[289]: /dev/sdb1: clean,
> > 398077/33554432 files, 27916145/134217728 blocks
> > Aug 09 13:34:36 graton systemd-fsck[287]: /dev/sdb3: clean,
> > 647214/21102592 files, 26531961/84405504 blocks
> > Aug 09 13:34:36 graton systemd-fsck[348]: /dev/sda4: clean,
> > 1650719/59490304 files, 57620902/237931957 blocks
> > Aug 09 13:34:37 graton systemd-fsck[320]: /dev/sda1: clean, 33/10040
> > files, 22152/40160 blocks
> > Aug 09 13:34:37 graton systemd-fsck[293]: /dev/sdb2: clean,
> > 4926903/67125248 files, 195736925/268500992 blocks
> >
> > /dev/sda3 is the root partition.
> 
> Does your kernel have the "ro" option specified? I know little about
> this, but I think ext34 partitions cannot be checked while mounted
> read-write and the usual way of doing this for the root partition has
> been to add "ro" to the kernel command line, and to remount the root
> partition read-write after checking it. (Though running the check from
> initramfs might be an even better method, Arch here has an option for
> that.)
> 

I can suggest building fsck binary into initramfs (via fsck hook) and running
it from an initrc shell on an _unmounted_ root device (/dev/sda3).

-- 
Leonid Isaev
GnuPG key: 0x164B5A6D
Fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
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