I suspect the behavior of the controller and the behavior of the drive
firmware will end up mattering more than SAS vs SATA. As always it's
best if you can test it first before committing to buying a pile of
them. Historically I have seen SATA drives that have performed well as
far as HDDs go though.
Mark
On 6/3/21 4:25 PM, Dave Hall wrote:
Hello,
We're planning another batch of OSD nodes for our cluster. Our prior nodes
have been 8 x 12TB SAS drives plus 500GB NVMe per HDD. Due to market
circumstances and the shortage of drives those 12TB SAS drives are in short
supply.
Our integrator has offered an option of 8 x 14TB SATA drives (still
Enterprise). For Ceph, will the switch to SATA carry a performance
difference that I should be concerned about?
Thanks.
-Dave
--
Dave Hall
Binghamton University
kdhall@xxxxxxxxxxxxxx
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