Re: rbd - input/output error

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On Mon, Nov 14, 2011 at 13:59, Mario van der Linde <linde@xxxxxxxxxxxxx> wrote:
> At first, on all Systems this file exists, but in /usr/lib64, not /usr/lib:
>> ceph5:~ # for f in `seq 1 5`; do ssh ceph${f} ls -l /usr/lib64/rados-classes; done | grep ' libcls_rbd.so '
>> lrwxrwxrwx 1 root root    19 Nov 10 10:15 libcls_rbd.so -> libcls_rbd.so.1.0.0
>> lrwxrwxrwx 1 root root    19 Nov 10 10:15 libcls_rbd.so -> libcls_rbd.so.1.0.0
>> lrwxrwxrwx 1 root root    19 Nov 10 10:16 libcls_rbd.so -> libcls_rbd.so.1.0.0
>> lrwxrwxrwx 1 root root    19 Nov 10 10:16 libcls_rbd.so -> libcls_rbd.so.1.0.0
>> lrwxrwxrwx 1 root root    19 Nov 10 10:16 libcls_rbd.so -> libcls_rbd.so.1.0.0
>
> Seems to be the right place in an x86_64 system.
>
> In ceph.conf there is no setting regarding to lib path.

Ah, new-style multi-arch. We haven't tested with an environment like that yet.

You should be able to put this in ceph.conf and work around it:

[global]
osd class dir = /usr/lib64/rados-classes

> Is ceph-radosgw needed for rbd? I think not, while radosgw is AFAIK the
> REST interface...
> This package is not installed (due to a not resolveable cgi dependency).

No, it is not.
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