Hello Janne, so do you think we must move from 10Gbs to 40 or 100GBs to
to make the most of nvme ?

Thanks
Ignazio

Il giorno mer 20 mag 2020 alle ore 12:06 Janne Johansson <
icepic...@gmail.com> ha scritto:

> Den ons 20 maj 2020 kl 12:00 skrev Ignazio Cassano <
> ignaziocass...@gmail.com>:
>
>> Hello All,
>> We have 6 servers.
>> Configuration for each server:
>> 1 ssd for mon (only on three servers)
>> 1 ssd 1.9 TB for db/wal
>> 1 nvme 1.6 TB for db/wal
>> 10 SAS  hdd  3.6 TB for osd
>> We decided to create a pool of 30 osd (5x6) with db/wal on ssd and a pool
>> of 30 (5x6) osd with db/wal on nvme.
>> So we create a vm on the pool with db.wal on ssd and a vm on the pool with
>> db/wal on nvme.
>> Fio performances are almost the same on both .
>> What do you think about it ?
>> I expect better performance on pool with db/wal on pci express nvme
>>
>
> Perhaps most of the time is lost talking over the network, making the
> small differences in how well ssd -vs- nvme perform not visible.
>
> --
> May the most significant bit of your life be positive.
>
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