Stephan A. Rickauer wrote: >> When the hb thread panics, it dumps messages indicating >> the times it took to perform the tasks. Could you share >> those messages? > > Actually, I have not seen those messages. Give me a couple of minutes > and I will reproduce the crash to post the numbers here.
Ok, this is what I get when reducing the heartbeat treshold to the
default in /etc/sysconfig/o2cb:
---snip---
(3,0):o2hb_write_timeout: 164 ERROR: Heartbeat write timeout to device
sdb1 after 12000 milliseconds
(3,0):02hb_stop_all_regions: 1727 ERROR: stopping heartbeat on all
active regions
Kernel panic - not syncing: ocfs2 is very sorry to be fencing this
system by panicing
<3>iscsi-sfnet:host1: ping timeout of 5 secs expired, last rx
4296316431, last ping 4296321431, now 4296326431
---snip---
I haven't reported the iscsi-sfnet message the first time, since I
believed it is a followup error of the ocfs2 crash. However, this is all
I have on the screen.
Apart from that, here is what I get when I mount my ocfs2 fs (before the
crash, of course). May be irrelevant:
---snip---
[EMAIL PROTECTED] ~]# mount /dev/sdb1 /mnt/iscsi
(2943,0):ocfs2_initialize_super:1354 max_slots for this device: 4
(2943,0):ocfs2_fill_local_node_info:1031 I am node 0
(2943,0):__dlm_print_nodes:384 Nodes in my domain
("6862E40BCE3F4A0CBB047A5ADF8FA2E6"):
(2943,0):__dlm_print_nodes:388 node 0
(2943,0):ocfs2_find_slot:267 taking node slot 0
ocfs2: Mounting device (8,17) on (node 0, slot 0)
---snip---
And the proof of using deadline plus some additional info:
---snip---
[EMAIL PROTECTED] ~]# dmesg | grep sched
Using deadline io scheduler
[EMAIL PROTECTED] ~]# lspci | grep Broadcom
02:03.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704
Gigabit Ethernet (rev 10)
[EMAIL PROTECTED] ~]# uname -a
Linux lvs02.lan.ini.unizh.ch 2.6.9-34.EL #1 Thu Mar 9 06:03:30 GMT 2006
x86_64 x86_64 x86_64 GNU/Linux
[EMAIL PROTECTED] ~]# rpm -qa | grep ocfs2
ocfs2console-1.2.0-1
ocfs2-2.6.9-34.EL-1.2.0-1
ocfs2-tools-1.2.0-1
[EMAIL PROTECTED] ~]# cat /proc/cpuinfo | grep name
model name : AMD Opteron(tm) Processor 254
---snip---
let me know if you need more... or how I can help.
Thanks!
--
Stephan A. Rickauer
-----------------------------------------------------------
Institut für Neuroinformatik Tel: +41 44 635 30 50
Universität / ETH Zürich Sek: +41 44 635 30 52
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CH-8057 Zürich Web: www.ini.ethz.ch
RSA public key: https://www.ini.ethz.ch/~stephan/pubkey.asc
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