Id like a copy of that document. We're running a similar setup which is not documented at all, more ad-hoc and in difference we're not running stonith and we have a raid1+0 in each (mds)node, raid 1 over drbd and sync-mode B.
Regards, Timh 2008/9/22 Heiko Schroeter <[EMAIL PROTECTED]>: > Am Dienstag, 2. September 2008 22:24:58 schrieb Andreas Dilger: > > We are using a setup with the following spec: > > mds1 and mds2: > 2 SATA Disks for MDS inside running raid0 with mdam tools. > Above this drbd for network raid0 and > Above that HA for failover. > > Besides that stonith is running inside HA for a real kill of the other node in > case of trouble. > > Works good and reliable. We tested this real hard. > > If it is of general interest i could put down some notes how we did it but it > will take some days. > (I have do do it anyway for our docs ...) > So please let me know if somebody is interested in this. > > Regards > Heiko > > > >> On Aug 30, 2008 16:35 -0400, Mag Gam wrote: >> > Sorry Andrea, I would like to know this too. Hopefully someone here >> > has done this before. Its worth a wiki >> >> Common case is use of Linux-HA to manage primary/backup for each OST/MDT. >> Since Lustre 1.6+ uses "mount" and "unmount" to start/stop Lustre services >> this can be set up relatively easily with Linux-HA. There is likely even >> something in the Lustre manual. >> >> > On Thu, Aug 14, 2008 at 3:05 AM, Andrea Frittoli >> > >> > <[EMAIL PROTECTED]> wrote: >> > > I'm trying a Lustre + DRBD set-up, I would like to use DRBD with the >> > > following setup: >> > > >> > > on MDS: DRBD emulates an MDT on shared storage. From Lustre >> > > perspective one MDS is active, the other is passive >> > > on OSS: BRBD emulates two OST on shared storage for each OSS couple. >> > > >> > > >From Lustre perspective each OSS is active for one OST and passive for >> > > >> > > the other. >> > > >> > > I'm planning to use DRBD in active/passive mode, so that the storage >> > > is mounted only on the active server, and luster is mounted on top. >> > > I'm not sure how to sync the mount/umount of the DRBD partition and >> > > the mount of MDT/OST upon failover. >> > > >> > > The target setup shall have 2 MDS (1 couple) and 8 OST (4 couples), >> > > dedicate LANs for heartbeat and drbd. >> > > >> > > Do you have any details of your setup you may share about this? >> > > >> > > TIA! >> > > >> > > On Aug 12, 4:50 am, "Mag Gam" <[EMAIL PROTECTED]> wrote: >> > >> Ha yes..I seen this before Sebastein. :-) >> > >> >> > >> I wanted to see if other people have tried it and their thoughts were. >> > >> >> > >> thats all >> > >> TIA >> > >> >> > >> On Mon, Aug 11, 2008 at 2:33 AM, Sébastien Buisson >> > >> >> > >> <[EMAIL PROTECTED]> wrote: >> > >> > Hello, >> > >> > >> > >> > I ran some tests with DRBD and Lustre a few months ago (including in >> > >> > async mode). You can find my modest findings here on the Lustre wiki >> > >> > : http://wiki.lustre.org/index.php?title=Drbd_And_Lustre >> > >> > >> > >> > Cheers, >> > >> > Sebastien. >> > >> > >> > >> > Mag Gam a écrit : >> > >> >> Has anyone been using DRBD and Lustre in async mode? I was curious >> > >> >> what type of speeds you were getting and also what network are you >> > >> >> using? >> > >> >> >> > >> >> TIA >> > >> >> _______________________________________________ >> > >> >> Lustre-discuss mailing list >> > >> >> [EMAIL PROTECTED] >> > >> >>http://lists.lustre.org/mailman/listinfo/lustre-discuss >> > >> >> > >> _______________________________________________ >> > >> Lustre-discuss mailing list >> > >> [EMAIL PROTECTED]://lists.lustre.org/mailman/listinf >> > >>o/lustre-discuss >> > > >> > > _______________________________________________ >> > > Lustre-discuss mailing list >> > > Lustre-discuss@lists.lustre.org >> > > http://lists.lustre.org/mailman/listinfo/lustre-discuss >> > >> > _______________________________________________ >> > Lustre-discuss mailing list >> > Lustre-discuss@lists.lustre.org >> > http://lists.lustre.org/mailman/listinfo/lustre-discuss >> >> Cheers, Andreas >> -- >> Andreas Dilger >> Sr. Staff Engineer, Lustre Group >> Sun Microsystems of Canada, Inc. >> >> _______________________________________________ >> Lustre-discuss mailing list >> Lustre-discuss@lists.lustre.org >> http://lists.lustre.org/mailman/listinfo/lustre-discuss > > > > -- > ----------------------------------------------------------------------- > Dipl.-Ing. Heiko Schröter > Institute of Environmental Physics (IUP) phone: ++49-(0)421-218-4080 > Institute of Remote Sensing (IFE) fax: ++49-(0)421-218-4555 > University of Bremen (FB1) > P.O. Box 330440 email: [EMAIL PROTECTED] > Otto-Hahn-Allee 1 > 28359 Bremen > Germany > ----------------------------------------------------------------------- > _______________________________________________ > Lustre-discuss mailing list > Lustre-discuss@lists.lustre.org > http://lists.lustre.org/mailman/listinfo/lustre-discuss > -- Timh Bergström System Administrator Diino AB - www.diino.com :wq _______________________________________________ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org http://lists.lustre.org/mailman/listinfo/lustre-discuss