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Question for XFS (mounting and clean bit)

To: xfs@xxxxxxxxxxx
Subject: Question for XFS (mounting and clean bit)
From: Andre Nitschke <andre.nitschke@xxxxxxxxxxx>
Date: Tue, 27 May 2008 18:13:36 +0200
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Hello,
i am a Linux User from Germany and chanched to xfs. I use Debian 4 and the
installer creates lilo. Because of a wrong configuration i destroyed the
lilo.conf and rebootet with a systemrescuecd. from here i mount the xfs
partition and try to run lilo, but it fails.
then i had a realy bad idea. i unmount the xfs partition and then mount it as
root, but there exit a root file system.
i type
mount /dev/sda2 /
no error appears. i could not access the partiton from the hdd, only see the
tmpfs from the live-boot cd. hm
i type mount and the mount command says:
tmpfs on / as tmpfs (rw)
....(some entrys...)
/dev/sda2 on / as xfs (rw)
ok, both devices were mountet as /
but i could only access the tmpfs system from the live cd.
i try to reboot. the system sends the term and kill signal, then hang up.
nothing happesn.
i press reset.
then linux startet normal and says ...

 XFS mounting filesystem sda2
 Ending clean XFS mount for filesystem: sda2

so i think nothing should happens to the xfs.
but i cant stop thinking, go to my testpc with linux and xfs and create the same
situtation. everytime ... clean xfs.
when i start writing data and then press reset comes this message:

 SGI XFS Quota Management subsystem
 XFS mounting filesystem hda2
 Starting XFS recovery on filesystem: hda2 (logdev: internal)
 Ending XFS recovery on filesystem: hda2 (logdev: internal)

i have two questions. first, is the xfs on my working-machine damaged by my bad
idea mounting two devices as root
and secound, is the clean bit removed when mounting a xfs or when i first write
data on it?

thanks

andre



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