Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
For the record, solved it, perhaps nice for others wanting to do the same : - removed the 'colocation c_meta_with_data_10' colocation - added a group grp_mailstore10 with members 'fs_mailstore10_data' and 'fs_mailstore10_meta' I am now able to migrate between nodes by moving the resource grp_mailstore10 around ... bye, Chris On Oct 16, 2009, at 1:32 AM, Christiaan den Besten wrote: > Hi ! > > I have been trying all night to combine some of the pacemaker crm > examples from the drbd manual (combing stuff from the default > example to setup a mysql instance with the stacked version :) ... ) > to setup a configuration which requires -two- drbd volumes to get > online on the same node before starting the mailserver daemon. > > Basicly I have 2 drbd devices, one for 'maildata' and one for > 'metadata'. Both need to be master on the same node, have their > filesystems mounted, use ip2 to setup a floating ip-address and > start the mail-server daemon. > > I came up with the following crm config : > > --- > primitive cyrus-imapd10 lsb:cyrus-imapd10 > primitive drbd_mailstore10_data ocf:linbit:drbd \ > params drbd_resource="r_mailstore10-data" \ > op monitor interval="15s" > primitive drbd_mailstore10_meta ocf:linbit:drbd \ > params drbd_resource="r_mailstore10-meta" \ > op monitor interval="15s" > primitive fs_mailstore10_data ocf:heartbeat:Filesystem \ > params device="/dev/drbd_mailstore10-data" directory="/ > mailstores/mailstore10/data" > primitive fs_mailstore10_meta ocf:heartbeat:Filesystem \ > params device="/dev/drbd_mailstore10-meta" directory="/ > mailstores/mailstore10/meta" > primitive ip_mailstore10 ocf:heartbeat:IPaddr2 \ > params ip="10.0.129.82" nic="eth0" > ms ms_mailstore10_data drbd_mailstore10_data \ > meta master-max="1" master-node-max="1" clone-max="2" clone- > node-max="1" notify="true" > ms ms_mailstore10_meta drbd_mailstore10_meta \ > meta master-max="1" master-node-max="1" clone-max="2" clone- > node-max="1" notify="true" > colocation c_cyrus_with_ip10 inf: cyrus-imapd10 ip_mailstore10 > colocation c_ip_on_meta_10 inf: ip_mailstore10 > ms_mailstore10_meta:Master > colocation c_meta_with_data_10 inf: ms_mailstore10_meta > ms_mailstore10_data:Master > colocation fs_mailstore10_data_on_drbd inf: fs_mailstore10_data > ms_mailstore10_data:Master > colocation fs_mailstore10_meta_on_drbd inf: fs_mailstore10_meta > ms_mailstore10_meta:Master > order fs_after_mailstore10_data_on_drbd inf: > ms_mailstore10_data:promote fs_mailstore10_data:start > order fs_after_mailstore10_meta_on_drbd inf: > ms_mailstore10_meta:promote fs_mailstore10_meta:start > order o_cyrus_after_ip_10 inf: ip_mailstore10 cyrus-imapd10:start > order o_ip_after_meta_10 inf: fs_mailstore10_meta ip_mailstore10:start > property $id="cib-bootstrap-options" \ > dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \ > cluster-infrastructure="openais" \ > expected-quorum-votes="2" \ > no-quorum-policy="ignore" \ > stonith-enabled="false" \ > default-resource-stickiness="1000" \ > last-lrm-refresh="1255645853" > --- > > This almost works, I gets up just fine on the primary node. But when > I migrate the resource (cyrus-imapd10) to the secondary node, the > roles of the 'data' drbd switch nicely, but the 'meta' drbd roles > don't. The 'new master' becomes master, but the 'old master' goes to > 'unconfigured' state and not 'slave' (so it stops instead of going > to secondary). Therefore the migration succeeds, but I can't migrate > 'back' since the former master hasn't switched its 'meta' drbd to > Secondary but to Unknown (stopped). > > I am new with pacemaker's crm, so still trying to get the hang of > it ..... > > I was trying to build it like: > > - Let one node become master for 'data' > - Colocate filesystem 'data' with drbd-data-master > (fs_mailstore10_data_on_drbd) > - Order filesystem mount with master for > 'data' (fs_after_mailstore10_data) > > - Colocate 'meta' with master for 'data' node (c_meta_with_data) > - Colocate filesystem 'meta' with drbd-meta-master > (fs_mailstore10_meta_on_drbd) > - Order filesystem mount with master for > 'meta' (fs_after_mailstore10_meta) > > - Colocate ip-address with filesystem mount of > 'meta' (c_ip_on_meta_10) > - Order ip-start on node with 'meta' filesystem mounted > (o_ip_after_meta_10) > - Colocate cyrus-daemon on node with ip-address (c_cyrus_with_ip10) > - Order cyrus start on node with ip-address (o_cyrus_after_ip_10) > > Any tips are apprecitated about the configuration above, it 'almost' > seems to work :) > > bye, > Chris > > > > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user