[gpfsug-discuss] Disabling individual Storage Pools by themselves? How about GPFS Native Raid?

[Jonathan Buzzard]

On Fri, 2015-06-19 at 17:23 +0200, Stijn De Weirdt wrote:
> hi marc,
> 
> 
> > 1. YES, Native Raid can recover from various failures: drawers, cabling,
> > controllers, power supplies, etc, etc.
> > Of course it must be configured properly so that there is no possible
> > single point of failure.
> hmmm, this is not really what i was asking about. but maybe it's easier 
> in gss to do this properly (eg for 8+3 data protection, you only need 11 
> drawers if you can make sure the data+parity blocks are send to 
> different drawers (sort of per drawer failure group, but internal to the 
> vdisks), and the smallest setup is a gss24 which has 20 drawers).
> but i can't rememeber any manual suggestion the admin can control this 
> (or is it the default?).
> 

I got the impression that GNR was more in line with the Engenio dynamic
disk pools 

http://www.netapp.com/uk/technology/dynamic-disk-pools.aspx

http://www.dell.com/learn/us/en/04/shared-content~data-sheets~en/documents~dynamic_disk_pooling_technical_report.pdf

That is traditional RAID sucks with large numbers of big drives.


JAB.

-- 
Jonathan A. Buzzard                 Email: jonathan (at) buzzard.me.uk
Fife, United Kingdom.