Re: Where to place Block-DB?

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>On bluestore, is it safe to move both Block-DB and WAL to this journal NVMe?
Yes, just specify block-db with ceph-volume and wal also use that
partition. You can put 12-18 HDDs per NVMe

>What happens im the NVMe dies?
You lost OSDs backed by that NVMe and need to re-add them to cluster.

On Thu, Apr 26, 2018 at 12:58 PM, Kevin Olbrich <ko@xxxxxxx> wrote:
> Hi!
>
> On a small cluster I have an Intel P3700 as the journaling device for 4
> HDDs.
> While using filestore, I used it as journal.
>
> On bluestore, is it safe to move both Block-DB and WAL to this journal NVMe?
> Easy maintenance is first priority (on filestore we just had to flush and
> replace the SSD).
>
> What happens im the NVMe dies?
>
> Thank you.
>
> - Kevin
>
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