hi andre, thanks for your input. As I checked, I used 1.4.4 lenny-backports package.
Thanks! Oliver On Thu, Dec 9, 2010 at 8:27 PM, andrelst <amva...@gmail.com> wrote: > OCFS2+DRBD uses your NIC for transport on these strategy. Better go for > OCFS2 (NIC Transport) + Multipathing(Fibre Channel transport backend) for > less traffic on the NIC. > > FYI, stock Debian, Ubuntu and SuSE(and yes, even the latest SLES 11 SP1 > addon HA.) use OCFS2 1.4.3. Watch out for these because you may be hit by > the "Orphan file" Bug which I painfully found out. Better use minimum 1.4.4 > or higher which fixes these problems. A chicken and egg situation here. The > Oracle project website only has RHEL binaries, so you have to do ala going > back to the Linux compile from scratch 90's.... :) > > regards, > Andre | http://www.varon.ca > > On Thu, Dec 9, 2010 at 10:20 PM, Linux Cook <linuxc...@gmail.com> wrote: > >> hi jan, >> >> I need to mount it on both machines because I'm inserting data from both >> since I'm working on active-active web cluster. Yeah I realized that since >> it cannot be mounted on both machines, I used active-active drbd setup >> instead and mount it using pacemaker. >> So its OCFS2 + DRBD thingy which worked for me. >> >> Thanks for all your inputs guys! >> I really appreciate it. >> >> Oliver >> >> >> On Thu, Dec 9, 2010 at 10:37 PM, jan gestre <plugger.l...@gmail.com>wrote: >> >>> >>> >>> On Wed, Dec 8, 2010 at 3:09 PM, Linux Cook <linuxc...@gmail.com> 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 <linuxc...@gmail.com>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 <j...@fs3.ph>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 <jimmyb...@gmail.com> >>>>>> 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 >>>>>> > <linuxc...@gmail.com> 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 >>>>>> >>>>>> >>>>>> _________________________________________________ >>>>>> >>>>> >>> Hi Oliver, >>> >>> I'm confused, would you care to enlighten? Why are you trying to >>> accomplish in the first place? I'm assuming you're setting up an HA cluster >>> hence the need for shared disk and multipath ...., correct? If this is what >>> you're trying to achieve then you're doing it all wrong, the partition >>> should only be mounted on one server e.g. Server A, it will only be mounted >>> on Server B if something happens to Server A e.g. hardware failure. The >>> shared drive should not be mounted on both machines at the same time or all >>> hell will break loose. >>> >>> Mounting will be done by your cluster manager e.g. Heartbeat or Redhat >>> cluster manager. >>> >>> BTW, you should be fine with either OCFS2 or GFS2 as filesystem. >>> >>> HTH. >>> >>> Jan >>> >> >> >> _________________________________________________ >> 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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