could you try the attached patch On Tue, May 19, 2015 at 5:10 PM, Markus Blank-Burian <burian@xxxxxxxxxxx> wrote: > Forgot the attachments. Besides, is there any way to get the cluster > running again without restarting all client nodes? > > On Tue, May 19, 2015 at 10:45 AM, Yan, Zheng <ukernel@xxxxxxxxx> wrote: >> On Tue, May 19, 2015 at 4:31 PM, Markus Blank-Burian <burian@xxxxxxxxxxx> wrote: >>> I am afraid, I hit the same bug. Giant worked fine, but after upgrading to >>> hammer (0.94.1) and putting some load on it, the MDSs eventually crashed and >>> now I am stuck in clientreplay most of the time. I am also using the cephfs >>> kernel client (3.18.y). As I didn't find a corresponding tracker entry .. is >>> there already a patch available? >>> >> >> Please send mds log and /sys/kernel/debug/ceph/*/mdsc on client >> machine to us. Besides, Is there warnings like "cluster [WRN] slow >> request [several thousands or more ] seconds old, received at ...: >> client_request(client.734537:23 ...) " in your ceph cluster log. >> >> Regards >> Yan, Zheng
Attachment:
3.18.13.patch
Description: Binary data
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