Re: GFS2 file locking issues

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux