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 < [email protected]> 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. > > Rich > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -- Kind Regards Rudi Ahlers Website: http://www.rudiahlers.co.za
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