General

Profile

Oliver Francke

  • Email: Oliver@filoo.de
  • Registered on: 12/01/2011
  • Last connection: 08/13/2013

Issues

Activity

08/14/2013

04:19 AM rbd Bug #5919: qemu-1.4.0 and onwards, linux kernel 3.2.x, ceph-RBD, heavy I/O leads to kernel_hung_t...
Hi Josh, Sage,
it looks very good right now, could not get it to break, even with 4 more VM's producing I/O, deep-...

08/13/2013

02:01 AM rbd Bug #5919: qemu-1.4.0 and onwards, linux kernel 3.2.x, ceph-RBD, heavy I/O leads to kernel_hung_t...
Hi Josh,
update/upgrade our cluster with ceph version 0.56.6-28-gf07447f (f07447f28c6e468c1dc76149f51d7958b10482c2...

08/12/2013

05:38 AM rbd Bug #5919: qemu-1.4.0 and onwards, linux kernel 3.2.x, ceph-RBD, heavy I/O leads to kernel_hung_t...
Hi Josh,
even under high ceph-load I was not able to break things down with rbd_cache=true after 2 hours, whereas ...

08/09/2013

02:07 AM rbd Bug #5919 (Resolved): qemu-1.4.0 and onwards, linux kernel 3.2.x, ceph-RBD, heavy I/O leads to ke...
Hi,
we had a number of tickets raising, where users reported problems with latest debian-7.[01] and kernel 3.2.x/ ...

04/22/2013

03:02 AM rbd Bug #3737: Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Ooops, sorry...,
was a bit misleaded, cause "cache=writeback" was still in the config file.
Oliver.

04/17/2013

01:00 AM rbd Bug #3737: Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Well,
could it be, that the fix already made it into "ceph version 0.60 (f26f7a39021dbf440c28d6375222e21c94fe8e5c)...

04/16/2013

05:50 AM rbd Bug #3737: Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Hi Josh,
sounds promising, unfortunately I'm currently on 0.60... in our lab. We are going to move forward to late...

01/21/2013

09:35 AM rbd Bug #3737: Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Hi Josh,
according to our conversation I did some testing.
I started the dd if=/dev... of=/tmp/doof.dat bs=4k cou...

01/07/2013

06:30 AM rbd Bug #3737 (Resolved): Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Hi Josh,
as per our short conversation in IRC-#ceph there is an issue with latency/responsiveness with rbd_cache e...

10/11/2012

02:05 AM Linux kernel client Bug #2573: libceph: many "socket closed" messages
Hi Alex,
looking for annoying messages I got aware of this ticket... we are currently running:
Linux fcmsnode1 3....

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