Hello Bob,
The problem has been reported by one of my customer, but I was
not able to set up a real cluster so I have built a cluster with single
machine, all software cluster and GFS2 installed and set up just one node. It
allows me to mount GFS2 filesystem and conduct tests with application and shell
steps.
In the real system following piece of code crashed application start up
if ( ioctl( nFifoDescr, FIONREAD, &lSize) == -1 ) {
errNo = errno;
However when I have built the test system I was able to see that when I have
created pipes on the GFS2 and I tried to use in shell I am getting an error
message.
For instance when I tried to write to pipe following error shows up immediately
[root@erm4 gfs_test]# echo test > msg_act_0.pipe
-bash: echo: write error: Invalid argument
When I try to read from pipe following error comes
[root@erm4 gfs_test]# cat <msg_mon_0.pipe
cat: -: Invalid argument
I considered this as a good test, at least it shows that there is a problem
with pipes.
The situation remain the same with two kernels I have tried 5.5 and 5.8.
Regards support I am trying to find OEM agreement to raise a request towards
RedHat support, but as the problem has been identified some time ago and it
seems that solution was released I wonder maybe I should just install something
like GFS2 new kernel module or anything else, that's the reason I dropped this
thread.
Piotr
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