[CentOS] Adding a new disk to an existing raid 10
SilverTip257
silvertip257 at gmail.comWed Apr 2 00:03:55 UTC 2014
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On Tue, Apr 1, 2014 at 4:58 AM, JC Putter <jcputter at gmail.com> wrote: > Hi, > > I had to do this a while ago, basically you have to mark the disk as > failed (if not already) and than remove it from the array > > mark as failed > mdadm --fail /dev/md0 /dev/sdaX > > remove from array > madmad --remove /dev/md0 /dev/sdaX > > Partition your new disk to your needs and then add it to the array > You can "clone" the partition layout from an existing healthy disk and write it to the new disk with sfdisk. *As always, be very careful* what disk you're dumping the partition layout from and which one is the target destination. sfdisk -d /dev/sdX | sfdisk /dev/sdY -- ---~~.~~--- Mike // SilverTip257 //
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