Hi! can you give some details on what is necessary to trigger the problem? (I/O load, CPU load, concurrent operations on one node or on multiple nodes, using reflink snapshots, using ioctl(FS_IOC_FIEMAP), etc.)
Regards, Ulrich >>> Gang He <g...@suse.com> schrieb am 11.07.2021 um 10:55 in Nachricht <am6pr04mb648817316db7b124f414d60acf...@am6pr04mb6488.eurprd04.prod.outlook.com> > Hi Ulrich, > > Thank for your update. > Based on some feedback from the upstream, there is a patch (ocfs2: > initialize ip_next_orphan), which should fix this problem. > I can comfirm the patch looks very similar with your problem. > I will verify it next week, then let you know the result. > > Thanks > Gang > > ________________________________________ > From: Users <users‑boun...@clusterlabs.org> on behalf of Ulrich Windl > <ulrich.wi...@rz.uni‑regensburg.de> > Sent: Friday, July 9, 2021 15:56 > To: users@clusterlabs.org > Subject: [ClusterLabs] Antw: [EXT] Re: Antw: Hanging OCFS2 Filesystem any > one else? > > Hi! > > An update on the issue: > SUSE support found out that the reason for the hanging processes is a > deadlock caused by a race condition (Kernel 5.3.18‑24.64‑default). Support is > working on a fix. > Today the cluster "fixed" the problem in an unusual way: > > h19 kernel: Out of memory: Killed process 6838 (corosync) total‑vm:261212kB, > anon‑rss:31444kB, file‑rss:7700kB, shmem‑rss:121872kB > > I doubt that was the best possible choice ;‑) > > The dead corosync caused the DC (h18) to fence h19 (which was successful), > but the DC was fenced while it tried to recover resources, so the complete > cluster rebooted. > > Regards, > Ulrich > > > > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ > > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
