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Re: [linux-lvm] Is the new RAID implementation going to deprecate traditional stripes and mirrors?



On May 19, 2012, at 3:31 PM, Ron Johnson wrote:

> On 05/19/2012 02:10 PM, Alasdair G Kergon wrote:
>> On Sat, May 19, 2012 at 11:58:54AM -0700, ben wrote:
>>> Does all the new RAID MD support mean the standard LVM type of mirrors and
>>> stripes will go away or at least not be further developed?
>> 
>> Current thinking:
>> 
>> Stripes remain as-is (they're very simple, it's not worth changing).
>> 
>> Preferred mirror switches to md, but existing mirror implementation
>> remains available and continues to be used for temporary mirrors like
>> pvmove.
>> 
> 
> IOW, md is "best practice" for mirroring?

I would say so.  It has a number of improvements over the original that help it deal better with snapshots and transient failures.

You can make the "raid1" segment type the default type by setting 'mirror_segtype_default' in lvm.conf.

 brassow



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