Ceph

09/15/2022

12:47 PM RADOS Feature #57557 (New): Ability to roll-back the enabled stretch-cluster configuration

We have enabled a stretch-cluster configuration on a pre-production system with several already existing and used poo... Dmitry Smirnov

10/08/2021

09:06 PM RADOS Bug #45202: Repeatedly OSD crashes in PrimaryLogPG::hit_set_trim()

All evidences pointing to a firmware bug persisting in dozens of used Hitachi 12TB (HGST model HUH721212AL5200) HDDs ... Dmitry Smirnov

10/03/2021

06:41 PM RADOS Bug #45202: Repeatedly OSD crashes in PrimaryLogPG::hit_set_trim()

We face the same issue with simultaneously four OSD down events at 4 different hosts and inability to restart them al... Dmitry Smirnov

10/06/2017

09:01 PM Ceph Support #21589: ceph 12.2.0 health check failed osd down

I have a similar issue.
My settings are defaults:
"mon_osd_report_timeout": "900" AND "osd_mon_report_interval_ma... Dmitry Smirnov

09/22/2017

04:09 PM bluestore Bug #19511: bluestore overwhelms aio queue

To have more information what is happening while performing a test:
# rbd bench --io-type write --io-pattern rand ... Dmitry Smirnov

09/12/2017

04:57 PM bluestore Bug #19511: bluestore overwhelms aio queue

Yes, I got a similar behaviour yesterday again after an upgrade to version 12.2.0.
I haven't collected enough inform... Dmitry Smirnov

07/27/2017

05:38 PM bluestore Feature #20801 (Rejected): ability to rebuild BlueStore WAL journals is missing

We have a six-node CEPH cluster v12.0.1 with BlueStore back-end, all RocksDB WAL journals were located on Flashtec NV... Dmitry Smirnov

04/07/2017

04:48 PM bluestore Bug #19511: bluestore overwhelms aio queue

Sage,
I just returned to notify that problem was solved by increasing 'bdev_aio_max_queue_depth' for all OSDs from... Dmitry Smirnov

10:55 AM bluestore Bug #19511: bluestore overwhelms aio queue

I managed to catch a specific OSD crush occurrence using 'gdb' debugger.
---------------------------------------... Dmitry Smirnov

11:21 AM Ceph Bug #19360: "bluestore/KernelDevice.cc: 446: FAILED assert(r == 0)" in rbd, cephfs, upgrade suites

Struggling with same issue, more details in bug report #19511 Dmitry Smirnov