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MirrorDisk/UX using dissimilar speed disks

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MirrorDisk/UX using dissimilar speed disks

Can a 146GB/10Krpm SCSI disk be mirrored to a 146GB/15Krpm SCSI disk? Must they both have the same rotational speed or can we mirror the 10k rpm to a 15k rpm of the same size?
6 REPLIES
Ganesan R
Honored Contributor
Solution

Re: MirrorDisk/UX using dissimilar speed disks

Hi,

You can mirror different rpm disk. It is upto the controller to take care of write operations. Only thing system to wait till the low rpm disk write operation complets.

Best wishes,

Ganesh.
Mark McDonald_2
Trusted Contributor

Re: MirrorDisk/UX using dissimilar speed disks

Yes this will work OK, the system will run at the speed of the slower disk.
Donald Thaler
Super Advisor

Re: MirrorDisk/UX using dissimilar speed disks

Paul,

Did you used to work for RCA/UNISYS ??

Don

Re: MirrorDisk/UX using dissimilar speed disks

Hi Don,
Yes. I quit Unisys in 1987 and been with Arrow since.
BTW, Herb Entenberg's son, Barry, is an Arrow Sales Mgr in MD. Good to connect to the past!
Suraj K Sankari
Honored Contributor

Re: MirrorDisk/UX using dissimilar speed disks

yes I think it will work

Suraj

Re: MirrorDisk/UX using dissimilar speed disks

Thanks.