Re: deliberately degrading RAID1 to a single disk, then back again

2007-06-27 Thread Mike Accetta
Justin Piszcz wrote: mdadm /dev/md0 --fail /dev/sda1 On Tue, 26 Jun 2007, Maurice Hilarius wrote: ... From time to time I want to degrade back to only single disk, and turn off RAID as the overhead has some cost From time to time I want to restore to RAID1 function, and re-synch the pair

deliberately degrading RAID1 to a single disk, then back again

2007-06-26 Thread Maurice Hilarius
Good day all. Scenario: Pair of identical disks. partitions: Disk 0: /boot - NON-RAIDed swap / - rest of disk Disk 01 /boot1 - placeholder to take same space as /boot on disk0 - NON-RAIDed swap / - rest of disk I created RAID1 over / on both disks, made /dev/md0 From time to time I want to

Re: deliberately degrading RAID1 to a single disk, then back again

2007-06-26 Thread Justin Piszcz
mdadm /dev/md0 --fail /dev/sda1 On Tue, 26 Jun 2007, Maurice Hilarius wrote: Good day all. Scenario: Pair of identical disks. partitions: Disk 0: /boot - NON-RAIDed swap / - rest of disk Disk 01 /boot1 - placeholder to take same space as /boot on disk0 - NON-RAIDed swap / - rest of disk I