On 01/21/2016 04:34 PM, rwxybh wrote: > Hi, junxiao! > > > We can't find correct fencing log after a node fencing itself. > We know there is log such as following in source code: > > printk(KERN_ERR "*** ocfs2 is very sorry to be fencing this " > "system by restarting ***\n"); > > But we NEVER found this message from /var/log/message or last "demsg". > > Do u mean we can find this message from local fs log after applying this > patch set? No, this patch is not targeted to do that. This patch set is to avoid nodes fence self if storage down. To get that log, i am afraid you need configure a console as panic follows that printk.
Thanks, Junxiao. > > Or any way to find this output (without netconsole), thx? > > ------------------------------------------------------------------------ > rwxybh > > > *From:* Junxiao Bi <mailto:junxiao...@oracle.com> > *Date:* 2016-01-20 11:13 > *To:* ocfs2-devel <mailto:ocfs2-devel@oss.oracle.com> > *CC:* mfasheh <mailto:mfas...@suse.com> > *Subject:* [Ocfs2-devel] ocfs2: o2hb: not fence self if storage down > Hi, > > This serial of patches is to fix the issue that when storage down, > all nodes will fence self due to write timeout. > With this patch set, all nodes will keep going until storage back > online, except if the following issue happens, then all nodes will > do as before to fence self. > 1. io error got > 2. network between nodes down > 3. nodes panic > > Junxiao Bi (6): > ocfs2: o2hb: add negotiate timer > ocfs2: o2hb: add NEGO_TIMEOUT message > ocfs2: o2hb: add NEGOTIATE_APPROVE message > ocfs2: o2hb: add some user/debug log > ocfs2: o2hb: don't negotiate if last hb fail > ocfs2: o2hb: fix hb hung time > > fs/ocfs2/cluster/heartbeat.c | 181 > ++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 175 insertions(+), 6 deletions(-) > > Thanks, > Junxiao. > > _______________________________________________ > Ocfs2-devel mailing list > Ocfs2-devel@oss.oracle.com > https://oss.oracle.com/mailman/listinfo/ocfs2-devel > _______________________________________________ Ocfs2-devel mailing list Ocfs2-devel@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-devel
