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тАО10-01-2009 12:37 AM - last edited on тАО04-09-2014 07:22 PM by Maiko-I
тАО10-01-2009 12:37 AM - last edited on тАО04-09-2014 07:22 PM by Maiko-I
Storage contoller P800 tape drive + RAID
Dear all,
Sorry for the rush of posts. Like to check one thing.
Anybody has experience with P800 Smart Array controllers?
is it compatible with the following config:
2 x 72GB Raid 1
4 x 300GB Raid 5
HP Tape Drive 1840 SAS attached to external SAS port.
is there any implications if i use this single card to do both functions?
thx
P.S. This thread has been moevd from Disk to Storage Systems. - Hp forum moderator
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тАО10-01-2009 07:20 AM
тАО10-01-2009 07:20 AM
Re: Storage contoller P800 tape drive + RAID
It looks like you have a supported configuration. The P800 is a high end controller and can handle all devices. There will be some i/o contention because you will be reading the disks (internal SAS ports) and writing to tape (external port) at the same time. The devices are all on separate SAS ports but the i/o will pass through the controller and through the same pci/io-channel twice. Some perfromance hit will be realized but you can't really measure that unless you separate the tape and disk i/o.
It also depends how much data you are backing up and if you are still using the server for regualr disk i/o when the backups are running.
Have you looked into getting a smaller (non RAID) SAS controller for the tape drive such as this one?
http://h18004.www1.hp.com/products/quickspecs/12617_div/12617_div.html
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тАО10-01-2009 04:53 PM
тАО10-01-2009 04:53 PM
Re: Storage contoller P800 tape drive + RAID
yea it does look like a supported config. I think it will be good enough as our backed up data is not too much.
thx for the recommendation :)