on 6-10-2008 9:59 AM Ross S. W. Walker spake the following:
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
Or sfdisk -d /dev/sdX | sfdisk /dev/sdY where x is source and y is the target. This will work across drives that have slight geometry differences. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!!
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