I have some bluestore DC S4500's in my 3 node home cluster. I haven't ever had any problems with it. I've used them with an EC cache tier, cephfs metadata, and VM RBDs.
On Thu, May 24, 2018 at 2:21 PM Lionel Bouton <lionel+ceph@xxxxxxxxxxx> wrote:
Hi,
On 22/02/2018 23:32, Mike Lovell wrote:
> hrm. intel has, until a year ago, been very good with ssds. the
> description of your experience definitely doesn't inspire confidence.
> intel also dropping the entire s3xxx and p3xxx series last year before
> having a viable replacement has been driving me nuts.
>
> i don't know that i have the luxury of being able to return all of the
> ones i have or just buying replacements. i'm going to need to at least
> try them in production. it'll probably happen with the s4600 limited
> to a particular fault domain. these are also going to be filestore
> osds so maybe that will result in a different behavior. i'll try to
> post updates as i have them.
Sorry for the deep digging into the archives. I might be in a situation
where I could get S4600 (with filestore initially but I would very much
like them to support Bluestore without bursting into flames).
To expand a Ceph cluster and test EPYC in our context we have ordered a
server based on a Supermicro EPYC motherboard and SM863a SSDs. For
reference :
https://www.supermicro.nl/Aplus/motherboard/EPYC7000/H11DSU-iN.cfm
Unfortunately I just learned that Supermicro found an incompatibility
between this motherboard and SM863a SSDs (I don't have more information
yet) and they proposed S4600 as an alternative. I immediately remembered
that there were problems and asked for a delay/more information and dug
out this old thread.
Has anyone successfully used Ceph with S4600 ? If so could you share if
you used filestore or bluestore, which firmware was used and
approximately how much data was written on the most used SSDs ?
Best regards,
Lionel
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