raid0 performance improvement on a single drive

[ZL1]

Hi

guys I got an old server with a raid card and some old scsi hard drives and I decided to play around with them especially the raid part

now I did this and that and half an hour ago or so I decided to try raid0 on a single drive (the raid config tool kept saying that for raid0 one drive is minimum and I wanted to see if it will really do something with only one drive)
now I got an improvement - went from 6900kB/s to 7800kB/s, I know its not much but I still dont understand how did it achieve this on a single drive

what do you guys say ?



Thanks
Dan

[Omardeth]

unless you need reduntant mission critical ,raid is a waste in my opinion

[ZL1]

Originally posted by Omardeth
unless you need reduntant mission critical ,raid is a waste in my opinion

why is that ? usually raid0 configs of 2 or more hard drives are considered an improvement and Ive noticed reviewers claiming that the best results durring the testing of one or another hardware item are achieved while having a raid0 array for a hard drive

+ I have my own results from pcmark and sisoft sandra showing very nice improvements when using raid0
without raid most of the disks are in the 6-7mB/s range, while in raid0 they pull a very nice 17mB/s and Im working on getting higher by removing the 5400rpmers



Thanks
Dan

[vass0922]

raid0 maybe good in benchmarks but in real world performance its fairly useless and makes data loss possilibities 200% higher (if ONE drive crashes you lose data from BOTH drives due to it being striped across both disks)

If you're doing heavy disk work then ya it can boost performance (file servers) .. if you're just gaming it'll do nothign for you.

[ZL1]

Originally posted by vass0922
raid0 maybe good in benchmarks but in real world performance its fairly useless and makes data loss possilibities 200% higher (if ONE drive crashes you lose data from BOTH drives due to it being striped across both disks)

If you're doing heavy disk work then ya it can boost performance (file servers) .. if you're just gaming it'll do nothign for you.

video editing ?



Thanks
Dan

[Omardeth]

not really . you have to rememeber benchmarks are not real word . raid is not really worth the added costs . least in my opinion . same goes for sata . the drives cost so much more than regular drives . to get alitle proformance boost you need the 10krpm drives and a 36gb 10k raptor will cost you as much as a 120ide drive .

the proformance boost you get from raid will translate in only seconds .. if that . so why do it . raid is only good in mirror when you need redundant backup mission critical . other than that it is all hype ..

[ZL1]

Originally posted by Omardeth
not really . you have to rememeber benchmarks are not real word . raid is not really worth the added costs . leats in my opinion . same goes for sata . the drives cost so much more than regular drives . to get alitle proformance boost you need the 10krpm drives and a 36gb 10k raptor will cost you as much as a 120ide drive .

sux, I was really looking for a boost in hdd performance