Is there a way to prioritize specific pools during recovery? I know there are issues open for it, but I wasn't aware it was implemented yet...
Regards, Logan ----- On Jun 20, 2017, at 8:20 AM, Sam Wouters <s...@ericom.be> wrote: | Hi, | Are they all in the same pool? Otherwise you could prioritize pool recovery. | If not, maybe you can play with the osd max backfills number, no idea if it | accepts a value of 0 to actually disable it for specific OSDs. | r, | Sam | On 20-06-17 14:44, Richard Hesketh wrote: || Is there a way, either by individual PG or by OSD, I can prioritise || backfill/recovery on a set of PGs which are currently particularly important to || me? || For context, I am replacing disks in a 5-node Jewel cluster, on a node-by-node || basis - mark out the OSDs on a node, wait for them to clear, replace OSDs, || bring up and in, mark out the OSDs on the next set, etc. I've done my first || node, but the significant CRUSH map changes means most of my data is moving. I || only currently care about the PGs on my next set of OSDs to replace - the other || remapped PGs I don't care about settling because they're only going to end up || moving around again after I do the next set of disks. I do want the PGs || specifically on the OSDs I am about to replace to backfill because I don't want || to compromise data integrity by downing them while they host active PGs. If I || could specifically prioritise the backfill on those PGs/OSDs, I could get on || with replacing disks without worrying about causing degraded PGs. || I'm in a situation right now where there is merely a couple of dozen PGs on the || disks I want to replace, which are all remapped and waiting to backfill - but || there are 2200 other PGs also waiting to backfill because they've moved around || too, and it's extremely frustating to be sat waiting to see when the ones I || care about will finally be handled so I can get on with replacing those disks. || Rich || _______________________________________________ || ceph-users mailing list [ mailto:ceph-users@lists.ceph.com | || ceph-users@lists.ceph.com ] [ || http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com | || http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com ] | _______________________________________________ | ceph-users mailing list | ceph-users@lists.ceph.com | http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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