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5i RAID0+1 WHICH DISKS ?

ALCS
Regular Advisor

5i RAID0+1 WHICH DISKS ?

Hi,

Smart Array 5i configured as RAID 0+1 with 4 disks.
I need to remove 2 disks for a backout plan.
and keep running on the other 2

With this type of controller, it is not possible to know from the GUI which 2 disks do not form 1 sub mirror of the 0+1 raid
so we know which 2 to remove - otherwise we may corrupt the data.

I wonder if any one came accross this ?

I will be checking if the ADU can be of any help in the meanwhile.


Thanks
Farid
Keep it simple
3 REPLIES
Jefferson Humber
Honored Contributor

Re: 5i RAID0+1 WHICH DISKS ?

Farid,

I've often wondered the same thing. I would like to think that every other disk could be removed, but I suspect that it's at the discretion on the SmartArray.
I like a clean bowl & Never go with the zero
ALCS
Regular Advisor

Re: 5i RAID0+1 WHICH DISKS ?

Thanks Jeff
I have just found that one of the offline ACU option can do the job
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00294139/c00294139.pdf

by splitting the RAID 0+1 to 2 RAID 0 units.
I did not know that

regards
Farid
Keep it simple
Uwe Zessin
Honored Contributor

Re: 5i RAID0+1 WHICH DISKS ?

> by splitting the RAID 0+1 to 2 RAID 0 units.

haven't played with it myself, yet, but it's fairly new.
.