Check the syslog of the secondary node. Sent from my iPod
On Dec 8, 2010, at 3:09 PM, Linux Cook <[email protected]> wrote: > hi guys, > > I bumped into a problem after settingup OCFS2. I'm trying to mount the OCFS2 > filesystem into both nodes by adding it into /etc/fstab but only the primary > node gets the mount. The secondary node didn't mount anything. > > Any thoughts? > > Oliver > > On Tue, Dec 7, 2010 at 12:01 PM, Linux Cook <[email protected]> wrote: > Guys, > > Thanks for all your inputs and I really really appreciate it. As I mentioned > I used OCFS2 with multipathing and that worked for me. > > Thanks again! > > Oliver > > On Tue, Dec 7, 2010 at 11:45 AM, Federico Sevilla III <[email protected]> wrote: > Hi Oliver, > > Assuming you know the risks involved with what you're trying to do, then > the missing piece is using what is called a shared disk file system. You > already mentioned OCFS2, another option would be GFS (Global File > System). I'm not sure if btrfs and ZFS are shared disk file systems, but > it's worth a check. > > The reason "what you are doing is very dangerous" is if you're not using > a shared disk file system, you basically end up with lost data at best, > but more probably a corrupt and useless file system at the end. "Normal" > file systems are used to having exclusive write access to their block > device. > > Good luck, and have fun. > > Cheers! > > -- > Federico Sevilla III, CISSP, CSM, LPIC-2 > Chief Executive Officer > F S 3 Consulting Inc. > http://www.fs3.ph > > > On Tue, 2010-12-07 at 11:21 +0800, Linux Cook wrote: > > okay some guys told me i should be using ocfs2? would this really > > help? > > > > On Tue, Dec 7, 2010 at 9:50 AM, Jimmy Lim <[email protected]> wrote: > > Hi Oliver, > > > > > > What you are doing is very dangerous! You can present the > > LUNs on the 2 servers, but only *one* can only write to it. > > > > > > If you want to achieve redundancy on your server, I believe it > > is better to get the HP Service Guard (but this is not a free > > software). > > > > > > http://docs.hp.com/en/ha.html > > > > > > HTH > > > > > > Jimmy > > > > > > On Tue, Dec 7, 2010 at 1:34 AM, Linux Cook > > <[email protected]> wrote: > > > > > > Hi pluggers, > > > > I've just configured multipathing on my debian boxes > > (Server A and Server B) using HP StorageWorks with > > Dual FCs on each server and can now mount the path > > alias I defined on my multipath configuration. But > > everytime I write a data on Server A, the data are not > > reflecting on Server B. > > > > Any help? > > > > Oliver > > > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph > > > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph
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