On 3/4/16 8:21 , Dirk Steinberg wrote: > >> Am 04.03.2016 um 17:10 schrieb Robert Mustacchi <r...@joyent.com>: >> >> On 3/4/16 7:14 , Dirk Steinberg wrote: >>> Hi, >>> >>> has anyone tried the new Samsung 950 Pro on SmartOS? >>> It is a PCIe-based NVMe SSD in M.2 form factor. >>> >>> Can anyone say if it would be suitable as a log disk? >> >> The question you need to ask yourself is what is your duty cycle going >> to be. For the 256 GB device, the endurance is rated to 200 TBW for its >> lifetime. You'll want to figure out if that lifetime fits your intended >> usage and how long you intend the part to last and how heavily you're >> intending to use the device. >> >> For a home machine, it may be fine depending entirely on what you're >> doing with the machine. I would not recommend it for a production server > > OK, this assessment is purely on endurance?
Yes. I'd also be looking at general write latency and seeing where it is in that, since that's the only thing that matters for a SLOG. > Are there any SMART counters one could read out of an SSD to see how > many writes one has consumed out of the available, say 200TB? > So I know that my drive is say 30% used up? I don't personally know. > Apart from that: is NVMe support in SmartOS considered stable? There is driver support for it in the system. I have not heard many reports positively or negatively about it. ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
