stian Balzer [ch...@gol.com]
Sent: 07 July 2017 01:46
To: ceph-users@lists.ceph.com
Cc: Vasilakakos, George (STFC,RAL,SC)
Subject: Re: [ceph-users] Speeding up backfill after increasing PGs and or
adding OSDs
Hello,
On Thu, 6 Jul 2017 17:57:06 + george.vasilaka...@stfc.ac.uk wrote:
> Thanks
> George
>
> ____________
> From: David Turner [drakonst...@gmail.com]
> Sent: 06 July 2017 16:08
> To: Vasilakakos, George (STFC,RAL,SC); ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Speeding up backfill after increasing PGs and or
> adding O
___
> From: David Turner [drakonst...@gmail.com]
> Sent: 06 July 2017 16:08
> To: Vasilakakos, George (STFC,RAL,SC); ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Speeding up backfill after increasing PGs and or
> adding OSDs
>
> Just a quick place to start is
others? What about noscrub?
Best regards,
George
From: David Turner [drakonst...@gmail.com]
Sent: 06 July 2017 16:08
To: Vasilakakos, George (STFC,RAL,SC); ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Speeding up backfill after increasing PGs and or
adding OSDs
Just a quick place to
Just a quick place to start is osd_max_backfills. You have this set to 1.
Each PG is on 11 OSDs. When you have a PG moving, it is on the original 11
OSDs and the new X number of OSDs that it is going to. For each of your
PGs that is moving, an OSD can only move 1 at a time (your
osd_max_backfill