Do the recommendations apply to both data and journal SSDs equally?
On Tue, Jul 10, 2018 at 12:59 PM, Satish Patel <satish.txt@xxxxxxxxx> wrote:
On Tue, Jul 10, 2018 at 11:51 AM, Simon Ironside
<sironside@xxxxxxxxxxxxx> wrote:
> Hi,
>
> On 10/07/18 16:25, Satish Patel wrote:
>>
>> Folks,
>>
>> I am in middle or ordering hardware for my Ceph cluster, so need some
>> recommendation from communities.
>>
>> - What company/Vendor SSD is good ?
>
>
> Samsung SM863a is the current favourite I believe.
Thanks, I would also like to know about Intel SSD 3700 (Intel SSD SC
3700 Series SSDSC2BA400G3P), price also looking promising, Do you have
opinion on it? also should i get 1 SSD driver for journal or need
two? I am planning to put 5 OSD per server
>
> The Intel DC S4600 is one to specifically avoid at the moment unless the
> latest firmware has resolved some of the list member reported issues.
>
>> - What size should be good for Journal (for BlueStore)
>
>
> ceph-disk defaults to a RocksDB partition that is 1% of the main device
> size. That'll get you in the right ball park.
>
>> I have lots of Samsung 850 EVO but they are consumer, Do you think
>> consume drive should be good for journal?
>
>
> No :)
>
> Cheers,
> Simon.
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