Kevan, is it possible to get a backtrace from the coredump using gdb? thanks avati 2007/8/8, Kevan Benson <kbenson@xxxxxxxxxxxxxxx>: > > > When running a HA config with 2 servers and 2 clients, I can consistently > crash the active server after failing the other. This is on TLA version > patched to 440. > > System configs at http://glusterfs.pastebin.com/m52564c56 > Server A: 172.16.1.81 > Server B: 172.16.1.82 > Client A: 172.16.1.85 > Client B: 172.16.1.86 > Note: Client transport-timeout (on clients and servers) was set to 10 in > first > two crashes, and set to 30 on Client A and B in the last one (servers > still > had it set to 10). > > For the first crash, I fail server B (ifdown eth1), and then try to ls the > mount point with the client (time ls -l /mnt/glusterfs) from both > clients. I > generally get a "ls: /mnt/glusterfs/: Transport endpoint is not connected" > error once or twice, and then the active server's (A) glusterfsd will > either > start responding or crash (about 50% chance). In this case, I had > restored > network connectivity to server B and ran a few more ls's from the clients. > > The glusterfsd.log (including backtrace) is at > http://glusterfs.pastebin.com/m15d7f914 > > Upon restarting glusterfs on server A and restoring the network connection > to > server B, I initiated the above ls from the clients and crashed server A's > glusterfsd again. Glusterfsd on Server B was never restarted, it was > failed > because of lack of connectivity. > > The glusterfsd.log (including backtrace) for THIS crash is at > http://glusterfs.pastebin.com/m28ee8e5a > > Here's a crash from doing an ls with one server failed, after restarting > one > of the servers a few times. > > The glusterfsd.log (including backtrace): > http://glusterfs.pastebin.com/m2ee6c471 > > All logs shown are from the crashing server, Server A. I can just as > easily > crash server B by failing A. Let me know if you need more logs from other > hosts and I'll re-run whichever scenarios you like, > > -- > - Kevan Benson > - A-1 Networks > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel > -- It always takes longer than you expect, even when you take into account Hofstadter's Law. -- Hofstadter's Law
