Re: bored and setting up a 3/4tb array at the office.
On Sat, 2003-04-12 at 07:44, Miernik wrote:
> In article <[🔎] Pine.LNX.4.33.0304091151350.17495-100000@router.windsormachine.com>, Mike Dresser wrote:
>
> > Here's the Raid5 values:
> >
> > Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
> > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
> > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
> > mike 1G 18574 64 20326 6 9319 2 28163 89 94607 8 381.1 0
>
> Is ............................................................... this ^^^^^^^^
> the reciprocal (1/x) of random access time?
>
> If yes, is it really possible to get 2.6 ms random access time on
> mechanical hard disks? I've never seen a drive which gives a value
> less then 8 ms in the specifications.
I've never seen a drive which gives a value of more than 250 GB in the
specifications. This (and the fact that this is a RAID5 array) means
there must be at least 3 drives working together on the seeks.
--
Tot ziens,
Bart-Jan
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