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Ivan Mironov

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11/13/2017

06:21 PM rbd Bug #22119: Possible deadlock in librbd
@Jason: currently we have plans to upgrade Ceph to the latest stable release, but migration is not easy and will not ...
03:46 PM rbd Bug #22119 (Can't reproduce): Possible deadlock in librbd
Hi,
we are using qemu-kvm with ceph/rbd as a storage backend for our VMs. And VMs sometimes hang without leaving a...

09/05/2014

04:53 AM Ceph Bug #9361 (Resolved): "ceph -w" sometimes segfaults on Ctrl+C
# ceph -w
cluster d4fba9f9-3fa8-4f5f-a81a-acc312cb0152
health HEALTH_OK
monmap e2: 3 mons at {devenv...

08/11/2014

07:32 PM rbd Bug #9071: mkfs.ext4 stuck in D state on RBD with kernel client
Please, mark this issue as duplicate of http://tracker.ceph.com/issues/8818
06:06 PM rbd Bug #9071: mkfs.ext4 stuck in D state on RBD with kernel client
Reproducible on all my ceph hosts (all with the same kernel), with any image format (1 or 2). But only with mkfs.ext4...
05:47 PM rbd Bug #9071 (Duplicate): mkfs.ext4 stuck in D state on RBD with kernel client
I tried to create ext4 on newly created and mapped RBD image, but mkfs.ext4 stuck:
# mkfs.ext4 /dev/rbd/docker.rbd...

10/10/2013

07:29 AM rbd Bug #6494: High memory consumption of qemu/librbd with enabled cache
With "rbd_cache_block_writes_upfront=1" it's harder to catch with massif, but I still see memory usage spikes using a...

10/09/2013

03:00 AM rbd Bug #6494: High memory consumption of qemu/librbd with enabled cache
It seems that I found a way to run qemu-kvm under valgrind/massif and trigger this issue. It looks like all this happ...
02:44 AM rbd Bug #6494 (Resolved): High memory consumption of qemu/librbd with enabled cache
I observe very high memory consumption on client with write-intensive load with qemu 1.6.0 + librbd 0.67.3.
For be...

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