Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Sorry for the second reply. I forgot to squeeze this into my first. As you have seen I stacked my devices like 0xfd partition => level 1 MD => DRBD => LVM2 PV As I see from the haresources of the old cluster the MDs haven't been managed by Heartbeat separately yet. I assume because of the 0xfd part. type that the arrays are auto assembled according to the UUIDs of their members already within initrd on boot up, including the one which serves as the base of the DRBD. I would like to change this so that assembly and stopping of this particular MD array is entirely performed by heartbeat. In /usr/lib/ocf/resource.d/heartbeat/Raid1 I found said script that looks to be placed there for this purpose. (I must say that the resource scripts' readability has suffered dramatically owe to OCF compliance in HB2 compared to HB1 - too many nestings, clutter and scatter) Although this is rather an HB than DRBD issue, you probably may know off hand what is required? Would it suffice to put an Raid1 invocation prior to that of drbddisk in my haresources? I hope that by inspecting the contents of Raid1 that I will be able to find out the args it reuires apart from the implicit start|stop. Where would I have to deactivate the auto-assembly of the single MD/DRBD array during initrd? Would I have to revoke the 0xfd flag from its underpinning partitions? Thank you for your patience Ralph > -----Original Message----- > From: drbd-user-bounces at lists.linbit.com > [mailto:drbd-user-bounces at lists.linbit.com]On Behalf Of Florian Haas > Sent: Wednesday, March 12, 2008 7:08 PM > To: drbd-user at lists.linbit.com > Subject: Re: [DRBD-user] Why isn't DRBD recognized as valid LVM PV? > > > You know, reading http://www.drbd.org/users-guide/ch-lvm.html > (the whole > chapter, not just the first section) would have saved you a lot of > experimentation effort. ;-) > > On Wednesday 12 March 2008 18:26:36 Ralph.Grothe at itdz-berlin.de wrote: > > # pvs > > /dev/drbd0: open failed: Wrong medium type > > PV VG Fmt Attr PSize PFree > > /dev/md1 vg00 lvm2 a- 9.54G 3.91G > > /dev/md3 vgdata lvm2 a- 27.94G 9.44G > > /dev/md5 vgrh lvm2 a- 9.54G 3.91G > > > > > > Oops, I wonder if "Wrong medium type" only disappears when drbd > > is completely shut down on this node? > > Because when DRBD is in Secondary mode, "wrong medium type" > is what the kernel > tells you when you attempt to access the device. When DRBD is > shut down, its > block device nodes disappear and LVM doesn't scan them to begin with. > > Cheers, > Florian > > -- > : Florian G. Haas > : LINBIT Information Technologies GmbH > : Vivenotgasse 48, A-1120 Vienna, Austria > > Please note: when replying, there is no need to CC my > personal address. Replying to the list is fine. Thank you. > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user >