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Is there a way to manually specify the blocksize for a drive attached to a P212 RAID-Controller?

 

Is there a way to manually specify the blocksize for a drive attached to a P212 RAID-Controller?

Hi,
I've got two WD20EARS drives attached to a HP P212 RAID Controller (set up as a RAID-1 array). Those disks use a block-size of 4k but the controller reports the block-size to be 512 bytes. The problem that arises is that write performance is extremely bad (< 1MB/s most of the time).

Is there a chance to set/override the block size value provided by the controller? (By the way I'm using Debian (Squeeze AMD64))
1 REPLY
Patrick Terlisten
Honored Contributor

Re: Is there a way to manually specify the blocksize for a drive attached to a P212 RAID-Controller?

Hello,

there is no need to set a sector size. See your other thread:

http://forums13.itrc.hp.com/service/forums/questionanswer.do?threadId=1431497

Regards,
Patrick
Best regards,
Patrick