On Wed, Feb 11, 2009 at 4:36 PM, <steve@xxxxxxxxxxx> wrote: > Hi, > > On Wed, Feb 11, 2009 at 01:55:08PM +0300, Kirill Kuvaldin wrote: >> Hi, >> >> I'm trying to understand how the FS locking mechanism should work. >> >> I'm running a clustered GFS2 across two nodes, each node is a Xen domU. >> To check if locking works correctly I wrote the simple perl script below. >> Basically the script opens a file, locks it to prevent others from >> writing into it, writes 20 lines into it, then unlocks and closes. >>i > > It should be exactly the same on GFS and GFS2, after all the code for > flock is almost identical between the two. What mount options did you > use? No specific options used, just mount -t gfs2 /dev/gfsc/lvol0 /gfs2... > Which lock manager are you using - I presume lock_dlm? > Yes, the FS was created using to be used with lock_dlm. I'm not sure if it is actually used for GFS2. How can I check that? Kirill -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
