Guido, Can you give the setup details, conf files? you can use http://glusterfs.pastebin.com for pasting conf files. Thanks Krishna On Fri, Apr 4, 2008 at 2:40 PM, Anand Avati <avati@xxxxxxxxxxxxx> wrote: > Daniel/Guido, > can you paste the logs which are relevant from the time of unplugging the > cable till the end of experiment? > > avati > > 2008/4/3, Daniel Maher <dma+gluster@xxxxxxxxx <dma%2Bgluster@xxxxxxxxx>>: > > > > > > On Thu, 3 Apr 2008 14:55:48 +0530 "Anand Avati" <avati@xxxxxxxxxxxxx> > > wrote: > > > > > Daniel, > > > maybe it is just taking long to detect connection failure. Can you > > > try with 'option transport-timeout 20' (sets response timeout to 20 > > > seconds) in all your protocol/client and see if you still face the > > > 'hang' ? > > > > My simple test case is as follows : > > 1. Unplug one of the nodes (dfsD) > > 2. Attempt to ls -l the /opt/ (in which gfs-mount/ - the mountpoint - > > is contained) > > > > I set the timeout option along with every client instance in both the > > client and server configs. I tested timeout settings of 10 and 20 > > seconds (just to see). In both cases, the 'hang' releases after a while > > (approx 30 seconds), but the results are odd. For example : > > > > # ls -l > > (hang ~ 30 seconds) > > ls: cannot access gfs-mount: Transport endpoint is not connected > > total 0 > > d????????? ? ? ? ? ? gfs-mount > > > > # ls -l > > (immediate) > > ls: cannot access gfs-mount: Transport endpoint is not connected > > total 0 > > d????????? ? ? ? ? ? gfs-mount > > > > (user wait ~ 5 seconds) > > > > # ls -l > > total 8 > > drwxr-xr-x 2 root root 4096 2008-04-03 09:43 gfs-mount > > > > It would appear that the "recovery" time, regardless of whether the > > timeout is set to 10 or 20, is around 35 to 40 seconds - though, at the > > very least, it recovered. Is there any reasonable way to bring this > > period of time down ? > > > > Thank you all so much for your feedback on this topic ! > > > > > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel >
