RAID-10: changing one (non-failed) drive for another

[ Please Cc me in the answer as I'm not in the list ]

We have working mdadm RAID-10 (2 near, 32k chunks) with these drives:

sda: 250G
sdb: 250G
sdc: 160G
sdd: 160G

Since we would like get more free space, so we need to change our 160G
drives (sdc, sdd) to bigger one.

Is there a way how to switch/change drive in RAID-10 without having RAID
degraded for a while? I simply do not want manually fail any of these
drives.

Option --grow for mdadm is not working for RAID-10 (this is probably
desirable feature). I wonder if there is anything different which we
might give a try.

Thank you

Ondrej

[ Please Cc me in the answer as I'm not in the list ]

--
Ondrej JOMBIK
Platon Technologies Ltd., Hlavna 3, Sala SK-92701
+421 903 PLATON - info@platon.org - http://platon.org

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