Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
As expected, everything worked as it should, DRBD picked up the modifications to the underlying device and sync'd across perfectly. Many thanks. Guy On 7/13/05, Guy Davies <guydavies at gmail.com> wrote: > Many thanks both for your suggestions. > > I have the work scheduled in for later on tonight - for the benefit of > the community and anyone searching the archives I'll post the results! > > Thanks again, > > Guy > > On 7/13/05, Lars Ellenberg <Lars.Ellenberg at linbit.com> wrote: > > / 2005-07-12 11:17:44 +0200 > > \ Martin Bene: > > > Hi Guy, > > > > > > > Short version: > > > > If a DRBD-controlled underlying block device (/dev/hda3, for example) > > > > is mounted directly without DRBD running, the data is changed, then > > > > DRBD is reinstated using that block device, will DRBD recognise the > > > > changes? > > > > > > No, drbd will NOT recognise the changes without intervention; you'll > > > need a fullsync to get into a consistent state. > > > > > > * shut down drbd on the secondary. > > > * install & start drbd on the primary, make drbd primary. Secondary > > > should still be down (to make extra sure you don't get a resync in the > > > wrong direction). > > > * with drbd mounted & primary on the node with the changed data, start > > > drbd on the secondary. > > > * issue drbdadm invalidate on the secondary to force a fullsync. Once > > > that finishes you're back in business with consistent data on both > > > nodes. > > > > Thanks, Martin. > > > > I'd even do the invalidate on the secondary _first_ (thats before it > > ever had a chance to connect). And I'd probably use an explicit > > "--human" (well, answering "Yes" to the infamous drbd boot script > > question would to that implicitly anyways) to the "make primary". > > > > cheers, > > > > > > -- > > : Lars Ellenberg Tel +43-1-8178292-0 : > > : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : > > : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : > > __ > > please use the "List-Reply" function of your email client. > > _______________________________________________ > > drbd-user mailing list > > drbd-user at lists.linbit.com > > http://lists.linbit.com/mailman/listinfo/drbd-user > > >