Hi, Could you please paste the crash back trace.
On 2017/9/27 16:15, net...@tango.lu wrote: > Hello All, > > I wrote earlier about our OCFS2 crash issue in KVM due to bug in the SMP > code. > > For this we come up with a solution: > > Instead of using multiple vcpus > <vcpu placement='static'>8</vcpu> > > using a single one and multiple cores instead: > <topology sockets='8' cores='8' threads='1'/> > > And applying key tune options to sysctl.conf: > > vm.min_free_kbytes=131072 > vm.zone_reclaim_mode=1 > > Seemed to be helped, the fs did not crash right away when we were > hammering it with apache benchmarks with 10000 requests however last > night I started a large rsync operation from a 5TB OCFS2 FS mounted in > the VM to another OCFS2 mounted in the same VM and ended up with: > > https://urldefense.proofpoint.com/v2/url?u=https-3A__ibb.co_gFeGg5&d=DwICAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5YTpkKY057SbK10&r=QxGl6UoyzTJm_1fAz5ZR9izvWJhWcqbtYn-0afBpa7A&m=cYprGRHz-oQmhnx4HIke8sTdCG_tf8Jb-rF6sHnYLnk&s=ajWfQIlUZOpElFWxoKcmvTIk7J3PpuCJITcnXfJQHrc&e= > > After trying a lot of different kernels starting from the 3.x series, > now we are using 4.13.2 latest kernel with default configuration but > these issues still present. Is this OCFS2 project still being developed? I admit that the developing group is not active recently. > With this crashing and unreliability it cannot be used in production > unless you put in place bunch of safeguards to reset out the whole > virtualmachine when it crashes. > > Thanks > > _______________________________________________ > Ocfs2-users mailing list > Ocfs2-users@oss.oracle.com > https://oss.oracle.com/mailman/listinfo/ocfs2-users > _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-users
