Repeat the same test but with volumes mounted with data=writeback mount option.
mount -o data=writeback /dev/sdX /path On 05/24/2011 07:11 AM, Keith W wrote: > Hello list. > Apologies in advance, this may be a bit long. Just trying to give > as much info as I can at the outset. > > I have a two node setup that share a 500Gig SAS drive via ocfs2. > When I move either large files 300Megs+ or a large number of smaller files > onto or off of the volume, my terminal session will hang and if I do a > directory listing in another terminal while doing a file transfer that > terminal will hang as well. > > The only thing I can see that is not "typical" is that I had to change > the port to 8888 due to another application running on 7777. > > > Here is my configuration: > ------------------------ > Oracle Enterprise Linux 5.5 (Oracle Updated Kernel 2.6.18-194.0.0.0.3.el5) > OCFS2 Version 1.4.4 > GigE Interconnect > SaS Connection to the drive. > > > cluster.conf: > ------------- > cluster: > node_count = 2 > name = HobCluster > node: > ip_port = 8888 > ip_address = 192.168.0.1 > number = 0 > name = hoban1 > cluster = HobCluster > node: > ip_port = 8888 > ip_address = 192.168.0.2 > number = 1 > name = hoban2 > cluster = HobCluster > > > > /etc/sysconfig/o2cb: > ------------------- > O2CB_ENABLED=true > O2CB_STACK=o2cb > O2CB_BOOTCLUSTER=HobCluster > O2CB_HEARTBEAT_THRESHOLD= > O2CB_IDLE_TIMEOUT_MS= > O2CB_KEEPALIVE_DELAY_MS= > O2CB_RECONNECT_DELAY_MS= > > > Status: > -------- > [root@hoban1 u03]# /etc/init.d/o2cb status > Driver for "configfs": Loaded > Filesystem "configfs": Mounted > Driver for "ocfs2_dlmfs": Loaded > Filesystem "ocfs2_dlmfs": Mounted > Checking O2CB cluster HobCluster: Online > Heartbeat dead threshold = 31 > Network idle timeout: 30000 > Network keepalive delay: 2000 > Network reconnect delay: 2000 > Checking O2CB heartbeat: Active > > > > Additional Info: > --------------- > While transfering a large file I do an ls -l on any file within > the /u03(ocfs2) directory it goes quickly as expected. > > [root@hoban2 u03]# time ls -l asdf > -rw-r--r-- 1 root root 0 May 23 08:23 asdf > > real 0m0.003s > user 0m0.000s > sys 0m0.003s > > > During a large file transfer, a ls -l on the file being transfered > hangs for a very long time. > [root@hoban2 u03]# time ls -l > total 547340 > -rw-r--r-- 1 root root 0 May 23 08:23 asdf > -rw-r--r-- 1 root root 560476160 May 24 2011 > Enterprise-R5-U5-x86_64.iso > drwxr-xr-x 2 root root 3896 May 22 09:29 lost+found > drwxr-xr-x 3 oracle oinstall 3896 May 23 14:32 oracle > > real 0m5.552s > user 0m0.000s > sys 0m0.004s > > Once the file has completed it's transfer, the ls works just fine and > nothing hangs. On occasion both terminal sessions will lock and need to > be killed, the file never completing it's transfer. > > Any suggestions are greatly appreciated. > > +-------------------------------+ > + Keith + > +-------------------------------+ > > > > _______________________________________________ > Ocfs2-users mailing list > Ocfs2-users@oss.oracle.com > http://oss.oracle.com/mailman/listinfo/ocfs2-users _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users
