[gpfsug-discuss] RAID config for SSD's used for data

[Aaron Knister]

On 4/19/17 4:05 PM, Simon Thompson (IT Research Support) wrote:
> By having many LUNs, you get many IO queues for Linux to play with. Also the raid6 overhead can be quite significant, so it might be better to go with raid1 anyway depending on the controller...
>
> And if only gpfs had some sort of auto tier back up the pools for hot or data caching :-)

You mean like HAWC but for writes larger than 64K? ;-)

Or I guess "HARC" as it might be called for a read cache...

-- 
Aaron Knister
NASA Center for Climate Simulation (Code 606.2)
Goddard Space Flight Center
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