Re: [Linux-cluster] I/O to gfs2 hanging or not hanging after heartbeat loss

2016-04-18 Thread Jonathan Davies
On 15/04/16 17:14, David Teigland wrote: However, on some occasions, I observe that node A continues in the loop believing that it is successfully writing to the file node A has the exclusive lock, so it continues writing... but, according to node C, the file stops being updated. (Meanwhile

Re: [Linux-cluster] I/O to gfs2 hanging or not hanging after heartbeat loss

2016-04-15 Thread David Teigland
> > However, on some occasions, I observe that node A continues in the loop > > believing that it is successfully writing to the file node A has the exclusive lock, so it continues writing... > > but, according to > > node C, the file stops being updated. (Meanwhile, the file written by > > node

Re: [Linux-cluster] I/O to gfs2 hanging or not hanging after heartbeat loss

2016-04-15 Thread Bob Peterson
- Original Message - > Dear linux-cluster, > > I have made some observations about the behaviour of gfs2 and would > appreciate confirmation of whether this is expected behaviour or > something has gone wrong. > > I have a three-node cluster -- let's call the nodes A, B and C. On each > o

[Linux-cluster] I/O to gfs2 hanging or not hanging after heartbeat loss

2016-04-15 Thread Jonathan Davies
Dear linux-cluster, I have made some observations about the behaviour of gfs2 and would appreciate confirmation of whether this is expected behaviour or something has gone wrong. I have a three-node cluster -- let's call the nodes A, B and C. On each of nodes A and B, I have a loop that repe