Re: Raid5 to another raid level??

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I have a quick question i remember reading somewhere about not using
metadata version 0.9 with drives larger than 2tb,
> at the moment i have the following
>
> root@BlueBolt:~# cat /proc/mdstat
> Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
> md0 : active raid5 sdd[2] sde[0] sdb[3] sdc[1]
>       5860543488 blocks level 5, 512k chunk, algorithm 2 [4/4] [UUUU]
>       bitmap: 2/15 pages [8KB], 65536KB chunk
> unused devices: <none>
> root@BlueBolt:~# mdadm --detail /dev/md0
> /dev/md0:
>         Version : 0.90
>   Creation Time : Mon Jul  4 15:08:38 2011
>      Raid Level : raid5
>      Array Size : 5860543488 (5589.05 GiB 6001.20 GB)
>   Used Dev Size : 1953514496 (1863.02 GiB 2000.40 GB)
>    Raid Devices : 4
>   Total Devices : 4
> Preferred Minor : 0
>     Persistence : Superblock is persistent
>   Intent Bitmap : Internal
>     Update Time : Mon Oct 10 22:44:11 2011
>           State : active
>  Active Devices : 4
> Working Devices : 4
>  Failed Devices : 0
>   Spare Devices : 0
>          Layout : left-symmetric
>      Chunk Size : 512K
>            UUID : ddab6c38:dee3ead0:95ba4558:1c9a49ed (local to host BlueBolt)
>          Events : 0.2836102
>     Number   Major   Minor   RaidDevice State
>        0       8       64        0      active sync   /dev/sde
>        1       8       32        1      active sync   /dev/sdc
>        2       8       48        2      active sync   /dev/sdd
>        3       8       16        3      active sync   /dev/sdb
> which as you can see if using 0.90, i am looking at replacing all the 2tb drives with 3tb versions, would i need to update the metadata version? if so how can i go about this?
> thanks
> Mike
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