On Monday 30 January 2006 15:22, Chris Mason wrote:
> You can shrink the log of an existing filesystem. The minimum size is 513
> blocks, you might try 1024 as a good starting poing.
>
> reiserfstune -s 1024 /dev/xxxx
>
> The filesystem must be unmounted first.
It doesn't want to, for no obvious reason:
# mount
rootfs on / type rootfs (rw)
/dev/root on / type ext2 (ro,nogrpid)
none on /proc type proc (rw,nodiratime)
none on /sys type sysfs (rw)
none on /dev type ramfs (rw)
/dev/sda2 on /.share type ext2 (rw,noatime,nogrpid)
/dev/sdb2 on /.1 type reiserfs (rw,noatime)
/dev/sdc2 on /.2 type reiserfs (rw,noatime)
/dev/sdc3 on /.3 type reiserfs (rw,noatime)
/dev/sda2 on /.local type ext2 (rw,noatime,nogrpid)
none on /dev/pts type devpts (rw)
automount(pid1043) on /.local/mnt/auto type autofs (rw)
# umount /.3
umount: /.3: device is busy
# mount -o ro,remount /.3
# umount /.3
umount: /.3: device is busy
# mount
rootfs on / type rootfs (rw)
/dev/root on / type ext2 (ro,nogrpid)
none on /proc type proc (rw,nodiratime)
none on /sys type sysfs (rw)
none on /dev type ramfs (rw)
/dev/sda2 on /.share type ext2 (rw,noatime,nogrpid)
/dev/sdb2 on /.1 type reiserfs (rw,noatime)
/dev/sdc2 on /.2 type reiserfs (rw,noatime)
/dev/sdc3 on /.3 type reiserfs (ro,noatime)
/dev/sda2 on /.local type ext2 (rw,noatime,nogrpid)
none on /dev/pts type devpts (rw)
automount(pid1043) on /.local/mnt/auto type autofs (rw)
# reiserfstune /dev/sdc3
reiserfstune: Reiserfstune is not allowed to be run on mounted filesystem.
# lsof -nP | grep -F '/.3'
# lsof -nP | grep -F '/dev/sdc'
--
vda
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