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 >> > >
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