On Friday December 1, [EMAIL PROTECTED] wrote:
> > -----Original Message-----
> > From: Carly Yang [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, December 01, 2000 2:42 PM
> > To: [EMAIL PROTECTED]
> > Subject: how to upgrade raid disks from redhat 4.1 to redhat 6.2
> >
> >
> > Dear Gregory
> > I have a system which run on redhat 4.1 with tow scsi hard
> > disks making a RAID0 partiton. I add command in
> > /etc/rc.d/rc.local as the following:
> > /sbin/mdadd /dev/md0 /dev/sda1 /dev/sdb1
> > /sbin/mdrun -p0 /dev/md0
> > e2fsck -y /dev/md0
> > mount -t ext2 /dev/md0 /home
> >
> > So I can access the raid disk.
> > Recently I upgrade the system to redhat 6.2, I made the
> > raidtab in /etc/ as following:
> > raiddev /dev/md0
> > raid-level 0
> > nr-raid-disks 2
> > persistent-superblock 0
> > chunk-size 8
> >
> > device /dev/sda1
> > raid-disk 0
> > device /dev/sdb1
> > raid-disk 1
> >
> > I run "mkraid --upgrade /dev/md0" to upgrade raid partion to
> > new system. But it report error as :
> > Cannot upgrade magic-less superblock on /dev/sda1 ...
I think you want raid0run. Check the man page and see if it works for
you.
NeilBrown
> > mkraid: aborted, see syslog and /proc/mdstat for potential clues.
> > run "cat /proc/mdstat" get "personalities:
> > read-aheas net set
> > unused device: <none>
> >
> > I run "mkraid" in mandrake 7.1 and get the same result, I
> > don't know how to make a raid partition upgrade now. Could
> > tell how to do that?
> > I read your << Linux-RAID-FAQ>>, I think you can give me some
> > good advice.
> >
> > Yours Sincerely
> >
> > Carl
> >
> >
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