On Mon, Apr 24, 2017 at 5:51 PM, Wyllys Ingersoll
<wyllys.ingersoll@xxxxxxxxxxxxxx> wrote:
> Ubuntu 16.04.1
> Ceph 10.2.5
> Linux 4.9.10 kernel
>
> We are having problems accessing some files in cephfs, the process
> reading the files become hung when trying to read them (md5sum, for
> example). When these hangups occur, there are messages in the system
> logs that look like this:
>
> "libceph: get_reply osd6 tid 55 data 1305852 > preallocated 1048576, skipping"
>
> The cluster shows healthy status and all OSD are reporting as up/up.
>
> Wondering if our hanging read issues are related to the messages being
> reported, they seem to be since we only see the messages once we
> encounter the issue reading the files.
Definitely -- this message is printed when the reply is dropped on the
floor. Can you tell us more about these files and/or provide a sample
of these messages?
Thanks,
Ilya
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