[CentOS] OT hardware issue: HP controller to 3rd party RAID

Wed Oct 7 19:05:20 UTC 2015
John R Pierce <pierce at hogranch.com>

On 10/7/2015 11:47 AM, Jack Bailey wrote:
> On 10/07/15 11:13, m.roth at 5-cent.us wrote:
>> Jack Bailey wrote:
>>>> controller that expects to talk to individual SAS or SATA drives. you
>>>> can manage it with hpssacli from centos.
>>> I have the P822.  It has no JBOD or RAID 0.  hpacucli works with CentOS
>>> 7.0, but is broken on 7.1 -- it cannot find the controller.
>> Can it do RAID 6?
> This page says it does. 
> http://www8.hp.com/h20195/v2/GetHTML.aspx?docname=c04111199
> The page also says it does RAID 0, but I did not see that in the 5.42 
> BIOS. 

on many of those P4/P8 series raid cards, raid6 support is an extra cost 
option, but once its enabled for a given card, it continues to work on 
that card even if its moved.    The P420's I have support raid0 (stripe)...

I googled JetStor, and saw a whole lineup of NAS/SAN boxes that support 
NFS, ISCSI, etc.     these wouldn't work with a raid card like a P800, 
but a SAS expansion tray from a JetStor should work if direct connected 
to the SmartArray card... a JetStor that has its own embedded raid 
controller with SAS host connectivity won't work with a hardware raid 
card like a P800, you would instead want a simple HBA card, such as a HP 
H221 Host Bus Adapter

john r pierce, recycling bits in santa cruz