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Re: RAID 6 mdadm

Am Wednesday 10 April 2013 18:05:08 schrieb Ross Boylan:
> >
> > You cannot get more than about 200MB/s out of a RAID1 setup, not even
> > with
> > 15krpm SAS drives. the RAID1 will never be faster than a single disk.
> > How
> > would it.
> It can read faster than a single disk by combining reads from different
> sectors on different disks.  I think your assertion is incorrect for
> reading, though  not for writing.
> Ross Boylan

Then dm would have to manage/combine the reads from the involved disks.
I do not know better, but I doubt this is done. 
I'll ask the raid list for curiousity's sake.

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