Ceph

09/12/2011

06:45 PM CephFS Bug #1537: cmds 100% when copying lots of files, mds_cache_size and mds_bal_frag

correct, all in the same directory.
I don't remember this symptom back in 0.29.4,
but this was using multiple se... DongJin Lee

06:37 PM CephFS Bug #1537 (Resolved): cmds 100% when copying lots of files, mds_cache_size and mds_bal_frag

node1: client Linux ss2 2.6.39.3-37-default
node2: ceph v0.34 (a single osd running on btrfs and/or ext4 on raid0 6d... DongJin Lee

07/26/2011

04:20 PM CephFS Bug #1341 (Won't Fix): Ceph mount hangs when OSD and Ceph Client on the same node

Hi guys.
When I tried to run 2 OSD nodes (1-6 OSD, 7-12 OSD) on node1 and node2, (MDS/MON on node3), and run the C... DongJin Lee

04/29/2011

07:22 AM Linux kernel client Bug #970: Kernel crash (cause?: lots of small files)

... DongJin Lee

04/03/2011

07:43 PM Linux kernel client Bug #970 (Resolved): Kernel crash (cause?: lots of small files)

ceph: 0.25.2
client: 2.6.38.1-2
default setups, 2 nodes 3 osd each
while (copying) writing a lot of files (e.g.,... DongJin Lee

02/17/2011

12:47 AM Ceph Bug #810 (Duplicate): 1). PG bits don't get recognized and 2). Takes too long for OSDs to boot up.

1.
By default, (0.24.3) there are 264 number of placement groups per osd.
I've tried to change to something else... DongJin Lee

12/02/2010

05:14 PM Ceph Bug #479: ceph/mount crash badly when writing

Hi all:
Ok, so I gitted again, original/unstable,
- Linux ss1 2.6.36-02063601-generic #201011231330 SMP Tue Nov 2... DongJin Lee

11/16/2010

05:13 PM Ceph Bug #479: ceph/mount crash badly when writing

Sorry Sage and Yehuda for the late update..
I was spending time experimenting, and just using the default btrfs with... DongJin Lee

10/19/2010

01:02 AM Ceph Bug #479: ceph/mount crash badly when writing

Continuing with the ext4
I have set no-journal mode by commenting out the two lines in the ceph
; osd journal = /da... DongJin Lee

10/18/2010

03:58 PM Ceph Bug #479: ceph/mount crash badly when writing

Update: more concise setup :)
I created simple four files; file1 (1MiB), file10 (10MiB), file100 (100MiB), file1000 ... DongJin Lee