Changes between Version 13 and Version 14 of TipAndDoc/storage/RAID

Timestamp:

Oct 2, 2009 12:53:29 AM (15 years ago)

Author:

mitty

Comment:

--

TipAndDoc/storage/RAID

@@ -254 +254 @@
  * Starting MD monitoring service mdadm --monitor                        [ OK ]
 }}}
+
+ = mount =
+ == duplicate uuid on mount ==
+ * /dev/md2 (XFS) -> RAID1 /dev/sda2, /dev/sdb2
+ * on Knoppix
+{{{
+# mount /dev/sda2 /mnt/sda -r -t xfs
+# mount /dev/sdb2 /mnt/sdb -r -t xfs
+mount: wrong fs type, bad option, bad superblock on /dev/sdb2,
+       missing codepage or other error
+       In some cases useful info is found in syslog - try
+       dmesg | tail  or so
+# dmesg | tail
+XFS: Filesystem sdb2 has duplicate UUID - can't mount
+}}}
+ * => [http://oss.sgi.com/archives/xfs/2004-10/msg00322.html Re: duplicate uuid on mount]
+{{{
+There is also the "nouuid" option to mount:
+mount -t xfs -o nouuid /dev/sdc5 /mnt/tmp
+This tells the kernel to ignore duplicate UUID.
+}}}
+{{{
+# mount /dev/sdb2 /mnt/sdb -r -t xfs -o nouuid
+# mount
+/dev/sda2 on /media/sda type xfs (ro,ikeep,noquota)
+/dev/sdb2 on /media/sdb type xfs (ro,nouuid,noquota)
+}}}