Looks good, just one comment the drive I used was 12GB for the WAL and DB and 
CEPH still only set the small sizes from my earlier reply.

So not sure if / what benefit their is of the big sizes, and how CEPH-DISK sets 
the size or if they are just hard coded.

,Ashley
Sent from my iPhone

On 7 Jul 2017, at 5:59 PM, Martin Emrich 
<martin.emr...@empolis.com<mailto:martin.emr...@empolis.com>> wrote:

Hi all!

I got quite far till now, and I documented my progress here:

https://github.com/MartinEmrich/kb/blob/master/ceph/Manual-Bluestore.md

Cheers,

Martin

Von: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] Im Auftrag von 
Martin Emrich
Gesendet: Freitag, 30. Juni 2017 17:32
An: ceph-users@lists.ceph.com<mailto:ceph-users@lists.ceph.com>
Betreff: [ceph-users] How to set up bluestore manually?

Hi!

I’d like to set up new OSDs with bluestore: the real data (“block”) on a 
spinning disk, and DB+WAL on a SSD partition.

But I do not use ceph-deploy, and never used ceph-disk (I set up the filestore 
OSDs manually).
Google tells me that ceph-disk does not (yet) support splitting the components 
across multiple block devices, I also had no luck while attempting it anyways. 
(using Ceph 12.1 RC1)

I just can’t find documentation on how to set up a bluestore OSD manually:


  *   How do I “prepare” the block, block.wal and block.db blockdevices? Just 
directing ceph-osd to the block devices via ceph.conf does not seem to be 
enough.
  *   Do bluestore OSDs still use/need a separate journal file/device? Or ist 
that replaced by the WAL?

http://docs.ceph.com/docs/master/ also has not very much information on using 
bluestore, is this documentation deprecated?

Thanks for any hints,

Martin

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