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Am Mittwoch, den 07.09.2005, 13:58 +0200 schrieb Christoph Gysin: |
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> Heinz Sporn wrote: |
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> > Question: may I run mkraid /dev/md0 on the fly now or will that somehow |
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> > destroy the partition table on the entire disk A ? |
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> |
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> This wont't work since only data written to md0 gets mirrored. You can't mirror |
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> an existing partition. An mkraid will probably destroy partition A2. |
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That I am aware of. A2 will definitely be lost. Would be great |
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though ;-) Only thing I wasn't sure of is if mkraid or mdadm will touch |
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anything else aside A2. |
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|
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> |
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> You'll have to unmount the partiton A2 and mount md0 at some time. There's no |
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> way to do this on the fly AFAIK. |
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> |
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> But theres still a little shortcut: |
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> |
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> First, let me recommend you mdadm. It's a replacement for the old raidtools. |
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> *Much* better IMHO. |
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Great tip. Thanx. I will use that. |
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|
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> |
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> - Create a new RAID1 in degraded state from B2: |
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> # mdadm --create /dev/md0 --level 1 --raid-devices 2 /dev/B2 missing |
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> |
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> - Copy contents from A2 to md0 |
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> - umount A2 |
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> - add A2 to md0: |
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> # mdadm /dev/md0 --add /dev/A2 |
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> |
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> Christoph |
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> -- |
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> echo mailto: NOSPAM !#$.'<*>'|sed 's. ..'|tr "<*> !#:2" org@fr33z3 |
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-- |
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Mit freundlichen Grüßen |
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|
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Heinz Sporn |
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|
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SPORN it-freelancing |
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Mobile: ++43 (0)699 / 127 827 07 |
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Email: heinz.sporn@××××××××.com |
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heinz.sporn@××××××.at |
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Website: http://www.sporn-it.com |
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Snail: Steyrer Str. 20 |
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A-4540 Bad Hall |
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Austria / Europe |
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|
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-- |
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