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Here are some logs and the infos from the mdsc files. But I am afraid that there might not be much info in the logs, since I had a very low log level. Look for example at 2015-05-18T21:28:33+02:00. The mdsc files are concatenated from all of the clients.
> Date: Tue, 19 May 2015 16:45:12 +0800 > Subject: Re: mds crashing > From: ukernel@xxxxxxxxx > To: burian@xxxxxxxxxxx > CC: mozes@xxxxxxx; ceph-users@xxxxxxxxxxxxxx > > 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 |
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