Ceph

06/09/2020

12:05 PM Ceph Revision 003ffe16 (ceph): tools/histogram_dump: improve io-latency and -size statistics

The script is part of the ceph distribution but not
part of the official tooling. Nevertheless it was useful to under... Marc Schöchlin

11/13/2019

08:59 PM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

From my perspective rbd-nbd is really broken for months now. Or is this just a edge-case which is only relevant for a... Marc Schöchlin

09/20/2019

06:08 AM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

As described in my last mail on the mailinglist i converted the filesystem to ext4, set "sysctl vm.dirty_background_r... Marc Schöchlin

09/02/2019

11:11 AM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

Any updates here?
I think the severity of this problem (currently "minor") is not suitable to the consequences of... Marc Schöchlin

08/14/2019

01:34 PM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

I'm now at vacation until 8. October 2019.
My coworker will have a look at this issue i case that you have additiona... Marc Schöchlin

01:30 PM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

There is something new compared to yesterday.....three days ago i downgraded a production system to client version 12... Marc Schöchlin

08/13/2019

03:51 PM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

Due to the absence of a coworker i almost had no capacity to execute deeper tests with this problem.
But i can say t... Marc Schöchlin

07/31/2019

10:20 AM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

Hello Jason ,
it seems that there is something wrong in the rbd-nbd implementation.
(added this information also ... Marc Schöchlin

07/29/2019

08:18 PM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

Sorry for the delay, i was a bit ill at the weekend :-)
As described i run a krbd device and(!) a rbd-nbd device i... Marc Schöchlin

07/25/2019

10:51 AM rbd Bug #40822: rbd-nbd: reproducible crashes on nbd request timeout

Oh sorry, i missed that question for slow requests.
No, we definitely do not have any slow ops when this problem occ... Marc Schöchlin