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RE: Resize raid? RAID Reconfig Tool?



>>We use mdadm to administer our software raid. For (certain) hardware 
>>raid there other tools available. Just "apt-cache search raid"...
>
>Wait... does mdadm have that built in?


Let's rephrase that.

Lets say I just did

cookiemonster:/mnt/hde1# mdadm --create /dev/md0 --level=5
--raid-devices=2 /dev/hd[cd]1 --auto
mdadm: array /dev/md0 started.

Which gives me a RAID5 on 2x200GB (That right now really is a RAID1)

And I later on would like to add _another_ 200GB disk to that array and
turn it into a 400GB RAID5, can mdadm do that? I see a "grow" switch,
but I am abit unclear about the usage.

I think I'll be using XFS on that disk, which I understand _Can_ be
resized dynamically?



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