I use several SSD pools for years.
As there is no trim support I check for
- high quality controller for controller internal garbage collection
- large overprovisioning. Enterprise SSDs offer 40% or more
- quality flash with a high write endurance
- powerloss protection, optionally you can use a higher class Slog with
this feature
In my newer pools I use Intel S3610 as they are "quite" affordable
- not as expensice as the 37x0 line and with a better write performance
than the 35x0 line.
In my last cheaper pools I chosed the Sandisk Pro extreme. The Samsung
Pro was an option
but the Sandisks have a larger overprovisioning per default with a lower
write performance
degration under load. As they do not have powerloss protection, I added
fast Slog (S3700 or ZeusRAM)
Gea
Am 09.12.2015 um 08:05 schrieb Tobias Oetiker:
We are looking into the possibility of setting up our first SSD
based pool ... any recommendations for SSDs to use ?
Our System Integrator recommends the use of Intel SSDs as opposed
to Samsung since Samsung would be changing their lineup every few
weeks and thus make it difficult to source replacement disks, in
case one should fail.
any thoughts ?
cheers
tobi
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