[ceph-users] Verifying the location of the wal

Robert Stanford rstanford8896 at gmail.com
Sun Oct 21 06:17:00 PDT 2018


 Thanks Serkan.  I am using --path instead of --dev (dev won't work because
I'm using VGs/LVs).  The output shows block and block.db, but nothing about
wal.db.  How can I learn where my wal lives?




On Sun, Oct 21, 2018 at 12:43 AM Serkan Çoban <cobanserkan at gmail.com> wrote:

> ceph-bluestore-tool can show you the disk labels.
> ceph-bluestore-tool show-label --dev /dev/sda1
> On Sun, Oct 21, 2018 at 1:29 AM Robert Stanford <rstanford8896 at gmail.com>
> wrote:
> >
> >
> >  An email from this list stated that the wal would be created in the
> same place as the db, if the db were specified when running ceph-volume lvm
> create, and the db were specified on that command line.  I followed those
> instructions and like the other person writing to this list today, I was
> surprised to find that my cluster usage was higher than the total of pools
> (higher by an amount the same as all my wal sizes on each node combined).
> This leads me to think my wal actually is on the data disk and not the ssd
> I specified the db should go to.
> >
> >  How can I verify which disk the wal is on, from the command line?  I've
> searched the net and not come up with anything.
> >
> >  Thanks and regards
> >  R
> >
> > _______________________________________________
> > ceph-users mailing list
> > ceph-users at lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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