Old 15th March 2010, 14:14
andron26 andron26 is offline
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Default How to grow raid1?


I have such configuration:
OpenSuse 10.2

/dev/md0 Yes Mirrored (RAID1) /dev/sdb1 | /dev/sda1 - boot
/dev/md1 Yes Mirrored (RAID1) /dev/sdb2 | /dev/sda2 - /
/dev/md2 Yes Mirrored (RAID1) /dev/sdb3 | /dev/sda3 - swap
/dev/md3 Yes Mirrored (RAID1) /dev/sda4 | /dev/sdb4 - /kopia

What is the best scenario to grow md1 partition?

On test system from rescue cd I've removed md2 and md3 and sdb3-sda3 sdb4-sda4 partitions. Rebooted again from rescue cd and tried to grow md1 - but got error that there is no free space on device (I've used only 30% from md2 and md3). Why there is such error if there is a lot of free space or I am missing something?

Thanks in advance and sry for my english
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Old 16th March 2010, 15:35
falko falko is offline
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I think you have to remove md1, grow sda2 and sdb2 and recreate md1 from these.
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Old 19th March 2010, 08:05
andron26 andron26 is offline
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Thx Falko,

I removed md1 raid and with help of this tutorial http://www.howtoforge.com/linux_resi...xt3_partitions I've resized my partitions and rebuilded raid.
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