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Rolf Fokkens

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01/06/2014

12:47 PM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
First tested the kernel rebuild (-j 8 for the make command) twice, this went fine. (Except for performance: 1 kernel ...

01/02/2014

02:56 PM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
The RPM's built fine now. I upgraded all nodes in the ceph cluster.
07:29 AM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
error: Installed (but unpackaged) file(s) found:
/usr/lib64/erasure-code/libec_example.so
/usr/lib64/erasure-...
02:10 AM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
I'm currently building the RPM's using the mentioned ceph.spec which includes the patch.

12/30/2013

02:40 AM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
We plan to do a clean reinstall of the cluster next week (january 6). Of course we're more than happy to provide any ...
01:50 AM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
Zheng Yan wrote:
> are cpu usages of ceph-mds and ceph-osd high?
Hardly any CPU usage; Idle is > 95% on all cluster...
01:47 AM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
Zheng Yan wrote:
> Rolf Fokkens wrote:
> > After the mds is in state "replay" for a while an impressive list of "fa...

12/29/2013

03:17 AM Linux kernel client Bug #7069 (Resolved): CephFS hang when using fscache - several "blocked for more than 120 seconds...
Wanting to accellerate CephFS access I added fscache. This resulted in a CephFS hang to the point that processes acce...

12/25/2013

12:12 PM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
FYI one other thing: the performance is really bad when building a kernel on cephfs. "ceph status" shows in general <...
12:04 PM CephFS Bug #6914: Accessing specific file on CephFS causes client hang
I managed to get me a whole new list of "failed to reconnect caps for missing inodes" by doing the following:
- re...

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