Eugen, thanks! That looks like a nice improvement over what I'm doing now. I'll try that.
On Tue, Jul 3, 2018 at 3:15 AM Eugen Block <[email protected]> wrote: > Hi, > > we had to recreate some block.db's for some OSDs just a couple of > weeks ago because our existing journal SSD had failed. This way we > avoided to rebalance the whole cluster, just the OSD had to be filled > up. Maybe this will help you too. > > > http://heiterbiswolkig.blogs.nde.ag/2018/04/08/resetting-an-existing-bluestore-osd/ > > Regards, > Eugen > > > Zitat von Caspar Smit <[email protected]>: > > > 2018-07-03 4:27 GMT+02:00 Brad Fitzpatrick <[email protected]>: > > > >> Hello, > >> > >> I was wondering if it's possible or how best to add a DB & WAL to an OSD > >> retroactively? (Still using Luminous) > >> > >> I hurriedly created some HDD-backed bluestore OSDs without their WAL & > DB > >> on SSDs, and then loaded them up with data. > >> > >> When I realized I forgot to use the SSD partitions for its WAL & DB, I > >> marked the first OSD out, let it drain, nuked it, and recreated it, and > am > >> now waiting for it to re-populate. > >> > >> In the meantime, I've been searching for how to best add them > >> retroactively on the remaining OSDs. > >> > >> I found https://swamireddy.wordpress.com/2016/02/19/ceph- > >> how-to-add-the-ssd-journal/ which seems to describe how to add the DB, > >> but not the WAL. > >> > >> > > Hi Brad, these steps are for Filestore backed OSD's only. Afaik there > > currently isn't a procedure to seperate the DB/WAL after OSD creation, so > > your current method of marking out, drain and re-create is your only > option. > > > > Kind regards, > > Caspar > > > > > > > >> Any tips? > >> > >> Thanks! > >> > >> - Brad > >> > >> > >> > >> _______________________________________________ > >> ceph-users mailing list > >> [email protected] > >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> > >> > > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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