[CentOS] raid1 disk format?
Ross S. W. Walker
rwalker at medallion.comTue Jun 10 16:59:32 UTC 2008
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Les Mikesell wrote: > If you have a disk with several partitions set up as members of a raid1 > md devices, can you make a dd image of that disk to replace its matching > drive with identical partitions or are there differences between the > mirrored partitions? you can 'dd' the MBR and then re-add the partitions to the raid for resyncing with 'mdadm'. # dd if=/dev/sda of=/dev/sdb bs=512 count=1 # mdadm /dev/md0 --add /dev/sdb1 # mdadm /dev/md1 --add /dev/sdb2 If you want to really make sure you got everything you could dd the whole first track with: # dd if=/dev/sda of=/dev/sdb bs=512 count=63 -Ross ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.
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