Re: mount: 10.0.6.10:/: can't read superblock

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On Tue, Jun 5, 2012 at 9:37 PM, Martin Wilderoth
<martin.wilderoth@xxxxxxxxxx> wrote:
> 0> 2012-06-06 05:38:37.200297 7f2d5ea08700 -1 mds/AnchorServer.cc: In function 'virtual void AnchorServer::handle_query(MMDSTableRequest*)' thread 7f2d5ea08700 time 2012-06-06 05:38:37.198981
> mds/AnchorServer.cc: 249: FAILED assert(anchor_map.count(curino) == 1)
>
> ceph version 0.46 (commit:cb7f1c9c7520848b0899b26440ac34a8acea58d1)
> 1: (AnchorServer::handle_query(MMDSTableRequest*)+0x175) [0x6bdc95]
> 2: (MDS::handle_deferrable_message(Message*)+0xd84) [0x4b0474]
> 3: (MDS::_dispatch(Message*)+0xaf8) [0x4c50b8]
...
> root@ceph1:~# ceph -v
> ceph version 0.47.2 (commit:8bf9fde89bd6ebc4b0645b2fe02dadb1c17ad372)
> root@ceph1:~# ssh ceph2 ceph -v
> ceph version 0.47.2 (commit:8bf9fde89bd6ebc4b0645b2fe02dadb1c17ad372)
> root@ceph1:~# ssh ceph3 ceph -v
> ceph version 0.47.2 (commit:8bf9fde89bd6ebc4b0645b2fe02dadb1c17ad372)
> root@ceph1:~# ssh ceph4 ceph -v
> ceph version 0.47.2 (commit:8bf9fde89bd6ebc4b0645b2fe02dadb1c17ad372)
>
> is the 0.46 above reporting when the error occurred or am I running the wrong binaries
> i use the debian packages ?

That sounds weird. The ways I can see that being possible are

1. you had daemons still running from when you had 0.46 debs
installed, and the package upgrade didn't restart them -- ceph.git
uses "dh_installinit --no-start", so this might actually have
happened?

2. at some point, you checked out the 0.46 source and ran make
install, and the binaries from that are installed at a path that takes
precedence over the 0.47.2 ones in /usr/sbin

But having mixed versions in your cluster might explain the crashes.
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