Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
You need to promote this node to primary.
drbdadm -- --overwrite-data-of-peer primary r0
should do the trick.
Also you will need some sort of clusterware to controll your drbd later
on, unless you want to be the meatware-clusteragent doing everything
manually.
also please update to at least 8.3.11 there was a nasty bug in the peer
outdater in 8.3.10 - I am not sure if it hits you in dual primary, but it
hit us pretty hard on one of our test systems in an active/passive
configuration.
Mit freundlichen Grüßen / Best Regards
Robert Köppl
Systemadministration
KNAPP Systemintegration GmbH
Waltenbachstraße 9
8700 Leoben, Austria
Phone: +43 3842 805-910
Fax: +43 3842 82930-500
robert.koeppl at knapp.com
www.KNAPP.com
Commercial register number: FN 138870x
Commercial register court: Leoben
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Tobias Crefeld <tc at cataneo.eu>
Gesendet von: drbd-user-bounces at lists.linbit.com
19.12.2011 21:39
An
drbd-user at lists.linbit.com
Kopie
Thema
[DRBD-user] Preinstalling single host for later primary-primary setup
I just started playing around with drbd, so sorry if I'm still not
familiar with concepts and tools of drbd.
After installation of the first pair of servers in primary-primary-mode
it worked immediately without problems. I now want to set up another pair
of
servers. OS is Debian-Lenny (Proxmox).
But there two differences:
- local storage for drbd-device is md (= Linux soft-RAID) with RAID-0
- Initially there is only one server available; the other should be
added if the first one is running.
Meanwhile there is a device /dev/drbd1 and "drbdadm up r1" can be run
without error messages, but the device isn't available for tools like
parted or pvcreate:
pve-153:~# parted /dev/drbd1
Error: Error opening /dev/drbd1: Falscher Medien-Typ
( = incorrect media type ?)
pve-153:~# pvcreate /dev/drbd1
Device /dev/drbd1 not found (or ignored by filtering).
drbd-version is 8.3.10
/etc/drbd.conf:
global { usage-count no; }
common { syncer { rate 30M; } }
resource r1 {
protocol C;
startup {
wfc-timeout 15;
degr-wfc-timeout 60;
become-primary-on both;
}
net {
cram-hmac-alg sha1;
shared-secret "XYZ";
allow-two-primaries;
after-sb-0pri discard-zero-changes;
after-sb-1pri discard-secondary;
after-sb-2pri disconnect;
}
on pve-153 {
device /dev/drbd1;
disk /dev/md2;
meta-disk internal;
address 192.168.31.10:7788;
}
on pve-154 {
device /dev/drbd1;
disk /dev/md2;
meta-disk internal;
address 192.168.31.9:7788;
}
}
# fini
pve-153:~# cat /proc/drbd
version: 8.3.10 (api:88/proto:86-96)
GIT-hash: 5c0b0469666682443d4785d90a2c603378f9017b build by phil at fat-tyre,
2011-01-28 12:17:35
1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----s
ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
oos:405990004
TIA,
Tobias.
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