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<body class='hmmessage'><div dir='ltr'>Hi all,<br><br>Many thanks for the replies so far.<br><br>So here is the reponse from the command line mdadm -E /dev/sd[abcde]2<br><br>ubuntu@ubuntu:~$ sudo mdadm -E /dev/sd[abcde]2<br>/dev/sda2:<br> Magic : a92b4efc<br> Version : 1.0<br> Feature Map : 0x0<br> Array UUID : e0829810:9782b51f:25529f65:8823419c<br> Name : (none):4<br> Creation Time : Fri Jan 1 01:31:17 2010<br> Raid Level : raid5<br> Raid Devices : 5<br><br> Avail Dev Size : 5856481280 (2792.59 GiB 2998.52 GB)<br> Array Size : 11712962560 (11170.35 GiB 11994.07 GB)<br> Super Offset : 5856481536 sectors<br> State : clean<br> Device UUID : d405d0c5:2a07d7ed:27abcb5a:0eeadc7d<br><br> Update Time : Fri Nov 14 15:58:16 2014<br> Checksum : c082e9bb - correct<br> Events : 1243386<br><br> Layout : left-symmetric<br> Chunk Size : 512K<br><br> Device Role : Active device 0<br> Array State : AAAAA ('A' == active, '.' == missing)<br>/dev/sdb2:<br> Magic : a92b4efc<br> Version : 1.0<br> Feature Map : 0x0<br> Array UUID : e0829810:9782b51f:25529f65:8823419c<br> Name : (none):4<br> Creation Time : Fri Jan 1 01:31:17 2010<br> Raid Level : raid5<br> Raid Devices : 5<br><br> Avail Dev Size : 5856481280 (2792.59 GiB 2998.52 GB)<br> Array Size : 11712962560 (11170.35 GiB 11994.07 GB)<br> Super Offset : 5856481536 sectors<br> State : clean<br> Device UUID : 33acf23a:52a0ad00:cda69d9f:468a8c13<br><br> Update Time : Fri Nov 14 15:58:16 2014<br> Checksum : 22fdc525 - correct<br> Events : 1243386<br><br> Layout : left-symmetric<br> Chunk Size : 512K<br><br> Device Role : Active device 1<br> Array State : AAAAA ('A' == active, '.' == missing)<br>/dev/sdc2:<br> Magic : a92b4efc<br> Version : 1.0<br> Feature Map : 0x0<br> Array UUID : e0829810:9782b51f:25529f65:8823419c<br> Name : (none):4<br> Creation Time : Fri Jan 1 01:31:17 2010<br> Raid Level : raid5<br> Raid Devices : 5<br><br> Avail Dev Size : 5856481280 (2792.59 GiB 2998.52 GB)<br> Array Size : 11712962560 (11170.35 GiB 11994.07 GB)<br> Super Offset : 5856481536 sectors<br> State : clean<br> Device UUID : 1a4f20e2:34926568:af5351a1:9c9f60e9<br><br> Update Time : Fri Nov 14 15:58:16 2014<br> Checksum : 96b21ac - correct<br> Events : 1243386<br><br> Layout : left-symmetric<br> Chunk Size : 512K<br><br> Device Role : Active device 2<br> Array State : AAAAA ('A' == active, '.' == missing)<br>/dev/sdd2:<br> Magic : a92b4efc<br> Version : 1.0<br> Feature Map : 0x0<br> Array UUID : e0829810:9782b51f:25529f65:8823419c<br> Name : (none):4<br> Creation Time : Fri Jan 1 01:31:17 2010<br> Raid Level : raid5<br> Raid Devices : 5<br><br> Avail Dev Size : 5856481280 (2792.59 GiB 2998.52 GB)<br> Array Size : 11712962560 (11170.35 GiB 11994.07 GB)<br> Super Offset : 5856481536 sectors<br> State : clean<br> Device UUID : 0ee6b711:242fbd18:44c2839e:60e8ad0d<br><br> Update Time : Fri Nov 14 15:58:16 2014<br> Checksum : ada0762 - correct<br> Events : 1243386<br><br> Layout : left-symmetric<br> Chunk Size : 512K<br><br> Device Role : Active device 3<br> Array State : AAAAA ('A' == active, '.' == missing)<br>/dev/sde2:<br> Magic : a92b4efc<br> Version : 1.0<br> Feature Map : 0x0<br> Array UUID : e0829810:9782b51f:25529f65:8823419c<br> Name : (none):4<br> Creation Time : Fri Jan 1 01:31:17 2010<br> Raid Level : raid5<br> Raid Devices : 5<br><br> Avail Dev Size : 5856481280 (2792.59 GiB 2998.52 GB)<br> Array Size : 11712962560 (11170.35 GiB 11994.07 GB)<br> Super Offset : 5856481536 sectors<br> State : clean<br> Device UUID : f89fdd4c:627a6650:3de0dcab:6790076f<br><br> Update Time : Fri Nov 14 15:58:16 2014<br> Checksum : ec5bd289 - correct<br> Events : 1243386<br><br> Layout : left-symmetric<br> Chunk Size : 512K<br><br> Device Role : Active device 4<br> Array State : AAAAA ('A' == active, '.' == missing)<br><br><br><div>What I am curious about is how I should go about attempting to Mount the device and the command line needed. Am I mounting the Raid Array /dev/md4, or am I trying to mount the XFS data partitions contained within with would be made up of /dev/sd[abcde2]? I am a little bit confused by all the various options and what I am exactly suppose to use given being a complete linux novice.<br><br>Any help is appreciated?<br><br>Rob<br><br><br>> Date: Fri, 14 Nov 2014 17:40:10 -0600<br>> From: sandeen@sandeen.net<br>> To: lists@colorremedies.com; robtench@hotmail.com<br>> CC: xfs@oss.sgi.com<br>> Subject: Re: Mismatch UUID<br>> <br>> On 11/14/14 4:31 PM, Chris Murphy wrote:<br>> <br>> > It’s very good to ask instead of haphazardly trying things. Trying to<br>> > normally mount the file system should be safe; and then use dmesg to<br>> > check for kernel messages. The xfs kernel code is responsible for log<br>> > replay and making most kinds of repairs, anything it can’t deal with<br>> > will be reported as a kernel message. If mount fails, report kernel<br>> > xfs related messages, and also the results from xfs_check -n.<br>> <br>> xfs_repair -n<br>> <br>> xfs_check is deprecated and has no -n option ;)<br>> <br>> -Eric<br></div> </div></body>
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