[ceph-users] Journal / WAL drive size?
rudiahlers at gmail.com
Thu Nov 23 13:13:59 PST 2017
Aah, ok. That makes sense. For what it's worth, I'm using Proxmox and
Proxmox doesn't seem to create the WAL, only the DB, hence the command I
used to specifically create them both.
On Thu, Nov 23, 2017 at 6:16 PM, Richard Hesketh <
richard.hesketh at rd.bbc.co.uk> wrote:
> On 23/11/17 16:13, Rudi Ahlers wrote:
> > Hi Caspar,
> > Thanx. I don't see any mention that it's a bad idea to have the WAL and
> DB on the same SSD, but I guess it could improve performance?
> It's not that it's a bad idea to put WAL and DB on the same device - it's
> that if not otherwise specified the WAL is automatically included in the
> same partition with the metadata DB, so there is no point to making them go
> in different partitions on the same device unless you are specifically
> doing testing/debugging and it's helpful to split them out so you can watch
> them separately. Just use the --block.db argument without --block.wal
> mentioned at all.
> ceph-users mailing list
> ceph-users at lists.ceph.com
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