NVMe SSDs and SmartOS compatibility

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Jeggs101

Well-Known Member
Dec 29, 2010
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Does anyone have an idea if the new NVMe SSDs are supported under SmartOS? It looks like a really cool platform, but I don't want to spend the money on expensive new ZIL drives if they aren't supported.
 

T_Minus

Build. Break. Fix. Repeat
Feb 15, 2015
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Curious which drive you're looking at for a SLOG as the cheaper NVME don't exactly have great write performance... almost seems like something you should use a cheap FusionIO for. VERY similar latency, and sequential write performance as the 320gb Fusion IO compared to 400gb even P3600 model. The SLC Fusion IO is faster than the P3600 400gb in writes, even closer in latency and MUCH MUCH cheaper, did I mention it works on older systems too? P3500 really isn't a contender for a SLOG IMHO as it shines as a read drive.

Unless you're going 800gb+ for a SLOG which seems insane waste of $ for OP, or going S3700 or have a special case -- I'd go Fusion IO for SLOG and save a bit :)

Just my 02.

If my system was complete I'd be able to give you stats on my Fuison IO SLC SLOG setup... but it's a work in progress :)
 

TangoWhiskey9

Active Member
Jun 28, 2013
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Depends on how much you write. If you have a 20TB array and are not planning on doing more than 100TB lifetime writes to it a multi PB SLOG isn't going to be worth it but you might want latency.
 

T_Minus

Build. Break. Fix. Repeat
Feb 15, 2015
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20 Intel
26 Fusion IO
(latency character thingy, LOL)

I think either would be acceptable, and you can get SLC or MLC Fusions depending if you are write heavy or not, but either way you can OP any of them like crazy.

The NVME seems to come in if you need that 6u less latency or over 700mb/s writes.
 

TangoWhiskey9

Active Member
Jun 28, 2013
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Yea those fusions are nice but if you took a 400gb 750 down to 160gb you'd have huge endurance and consistency too and a newer drive. I'm thinking there's lots of hints for computex new drives. Someone will make a cheap one.
 

T_Minus

Build. Break. Fix. Repeat
Feb 15, 2015
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I never considered the 750 or S3500 as they don't compare in writes to a Fusion which is what your SLOG needs to do, fast writes.

A cheap, 1GB/s write NVME drive would be ideal :) Fingers Crossed.