Re: RAID1 VS RAID5

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On 2003-10-27T09:27:32,
   Hermann Himmelbauer <dusty@strike.wu-wien.ac.at> said:

> When reading a file from the RAID1, you could e.g. read the first block from 
> the first disk, the second from the second disk, the third from the first 
> disk and so on.
> 
> This would *theoretically* double the read speed - like with RAID0.

For pure reads, that may be true. But for writes, the disks have to
resynchronize their heads and then you would get a penalty there.

It all depends ;-)

Sincerely,
    Lars Marowsky-Brée <lmb@suse.de>

-- 
High Availability & Clustering	      \ ever tried. ever failed. no matter.
SUSE Labs			      | try again. fail again. fail better.
Research & Development, SUSE LINUX AG \ 	-- Samuel Beckett

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