Re: Using LVM for RAID 1+0

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Ewan Grantham wrote:
> On 4/18/06, Neil Brown <neilb@xxxxxxx> wrote:
>   
>> No, you cannot grow an md/raid0 array.  If you need growth, then you
>> would need to consider LVM at this stage, though md/linear will
>> probably be able to grow soon.
>>     
>
> Any chance RAID-5 will be able to grow at some point also?
Truly courageous :)

Kidding!!


raid5 can grow already - both size of disks (ie replacing each existing
disk with a bigger one) and more recently, number of disks.

There's not been much traffic about it - but what there has been has
been good.

You'll need a very recent kernel/mdadm though... and a backup is always
recommended.

David
PS I'm not talking about raidreconf - that has generated some 'doh!'
messages

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