On Wed, 2013-04-10 at 17:57 +0200, Dexter Filmore wrote: > Am Wednesday 10 April 2013 17:21:35 schrieb Muhammad Yousuf Khan: > > exactly, i am using RAID 1 with mdadm and not more then 230 or 300MB > > throughput. and the people are harnessing 4GB so this is the point > where i > > am confused > > 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.
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