Storage Boards Cleanup
To make it easier to find information about HPE Storage products and solutions, we are doing spring cleaning. This includes consolidation of some older boards, and a simpler structure that more accurately reflects how people use HPE Storage.
Disk Arrays
cancel
Showing results for 
Search instead for 
Did you mean: 

A7143A Raid160 configuration

SOLVED
Go to solution
Bernhard Mueller
Honored Contributor

A7143A Raid160 configuration

Hi,

suppose I have an MSA30 with 10x36GB drives in split bus mode attached to 2 channels of the raid controller (5 disks on each channel) and want to create a big LUN in RAID1+0 across all disks *and* make sure that the mirrored stripe is on the other channel.

What would be the corrrect saconfig syntax?
saconfig -R 1+0 -p 1:0 -p 2:0 -p 1:1 -p 2:1 -p 1:2 -p 2:2 -p 1:3 -p 2:3 -p 1:4 -p 2:4

or maybe
saconfig -R 1+0 -p 1:0 -p 1:1 -p 1:3 -p 1:4 -p 1:5 -p 2:0 -p 2:1 -p 2:2 -p 2:3 -p 2:4

NO guesswork please. man page and install guide do not help...

Regards,
Bernhard
3 REPLIES
Ron Lawson_1
Trusted Contributor
Solution

Re: A7143A Raid160 configuration

The order in saconfig doesn't matter. When the controller gets the list of disks, it orders them and divides them into two groups. Disks in the first half of the list are mirrored to the ones in the second half of the list.

In other words, as long as you have even numbers of disks on each channel, it will always mirror across channels.
Bernhard Mueller
Honored Contributor

Re: A7143A Raid160 configuration

Ron,

excellent!

Regards
Bernhard
Bernhard Mueller
Honored Contributor

Re: A7143A Raid160 configuration

Thanks Ron