Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Chris Zimmerman ha scritto: > On Wed, Oct 29, 2008 at 7:19 PM, Chris Zimmerman <fud.theturtle at gmail.com>wrote: > > >> On Wed, Oct 29, 2008 at 7:17 PM, Chris Zimmerman <fud.theturtle at gmail.com>wrote: >> >> >>> On Mon, Oct 27, 2008 at 8:56 PM, Kavan Smith <kavan at linbit.com> wrote: >>> >>> >>>> Hi Chris, >>>> >>>> >>>>> I'm looking into load balancing Xen instances and I really don't want a >>>>> shared san. I'm not really sure if drbd is something that would be >>>>> useful. From what I can gather, drbd only works active/active with >>>>> shared storage? Otherwise one xen instance would need to be passive? >>>>> I'm just looking for a method for the two instances to synchronize >>>>> >>>> their >>>> >>>>> storage as I said I'm not sure if drbd is what I'm looking for. Any >>>>> thoughts/suggestions? >>>>> >>>> DRBD can accomplish the data replication in active/active mode utilizing >>>> GFS/OCFS with ease. Read up on DRBD and GFS: >>>> >>>> http://www.drbd.org/users-guide/ch-gfs.html >>>> >>>> If I understand you correctly... >>>> >>>> I suppose a simple way to accomplish this would be to replicate your Xen >>>> DOMU to your secondary node with a slightly different configuration >>>> (ip/hostname/etc.) and utilize the shared storage for user data on both >>>> nodes. This of course would not keep your secondary DOMU's operating >>>> system in sync with the primary. >>>> >>>> Take a look at csync2 to help keep your configuration files up to date >>>> on your Xen DOMU's. >>>> >>>> http://oss.linbit.com/csync2/ >>>> >>>> I'm unclear as to how many physical machines you wish to run this on. >>>> Are you looking to accomplish this task on a total of 2 boxes? >>>> >>>> Cheers, >>>> -Kavan >>>> >>>> -- >>>> : Kavan Smith >>>> : LINBIT USA, LLC | Your Way to High Availability >>>> : Telephone: 1-877-4-LINBIT / 1-877-454-6248 >>>> : >>>> : 8152 SW Hall Blvd., Suite #209 >>>> : Beaverton, OR 97008 >>>> : >>>> : http://www.linbit.com >>>> >>>> DRBD(R) and LINBIT(R) are registered trademarks of LINBIT, Austria. >>>> >>>> This e-mail is solely for use by the intended recipient(s). Information >>>> contained in this e-mail and its attachments may be confidential, >>>> privileged or copyrighted. If you are not the intended recipient you are >>>> hereby formally notified that any use, copying, disclosure or >>>> distribution of the contents of this e-mail, in whole or in part, is >>>> prohibited. Also please notify immediately the sender by return e-mail >>>> and delete this e-mail from your system. Thank you for your co-operation. >>>> _______________________________________________ >>>> drbd-user mailing list >>>> drbd-user at lists.linbit.com >>>> http://lists.linbit.com/mailman/listinfo/drbd-user >>>> >>> >>> >>> >>> > Yes I want to use the shared storage for public_html for a load balanced > Apache install. You say shared storage, I want to sure, this can be done > with partitions on 2 machine's using drbd and gfs without the need for a > "shared storage" ? I am trying to do this without a san if I can. > Does drbd have a limit of 2 servers? > Sorry I sent you this directly on accident Kavan. > > > Chris > > > ------------------------------------------------------------------------ > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > Yes, I can confirm you can do it with drbd+gfs. About the limit, yes, drbd can work only with 2 machines. No more, no less. Leandro