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Am Mittwoch, den 07.09.2005, 13:17 +0100 schrieb Mike Williams: |
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> On Wednesday 07 September 2005 12:58, Christoph Gysin wrote: |
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> > First, let me recommend you mdadm. It's a replacement for the old |
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> > raidtools. *Much* better IMHO. |
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> |
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> VERY much so. |
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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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> Quicker method :) |
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> |
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> create B1 and B2 |
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> umount /dev/A2 |
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> # mdadm --create /dev/md0 -l1 -n2 /dev/A2 /dev/B2 |
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> |
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> You CAN create a mirror of an existing partition, and NOT lose data. |
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> I know, I've done it. |
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|
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Uuuuh - that sounds MUCH better. I really thought that A2 will be lost |
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by all means. I will definitely try your method. Thanx for your help! |
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> You can also re-create an existing array (instead of the obvious re-assembly), |
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> and keep all your data. |
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> The software raid drivers and tools are surprisingly intelligent. |
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> |
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> But as always, keep backups :) |
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> |
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> -- |
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> Mike Williams |
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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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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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