here is nice guide how to configure drbd, clvm... http://marcitland.blogspot.cz/2013/04/building-using-highly-available-esos.html
S pozdravem Kristián Feldsam Tel.: +420 773 303 353, +421 944 137 535 E-mail.: [email protected] www.feldhost.cz - FeldHost™ – profesionální hostingové a serverové služby za adekvátní ceny. FELDSAM s.r.o. V rohu 434/3 Praha 4 – Libuš, PSČ 142 00 IČ: 290 60 958, DIČ: CZ290 60 958 C 200350 vedená u Městského soudu v Praze Banka: Fio banka a.s. Číslo účtu: 2400330446/2010 BIC: FIOBCZPPXX IBAN: CZ82 2010 0000 0024 0033 0446 > On 6 Aug 2017, at 12:05, Kristoffer Grönlund <[email protected]> wrote: > > "Lentes, Bernd" <[email protected]> writes: > >> Hi, >> >> first: is there a tutorial or s.th. else which helps in understanding what >> pacemaker logs in syslog and /var/log/cluster/corosync.log ? >> I try hard to find out what's going wrong, but they are difficult to >> understand, also because of the amount of information. >> Or should i deal more with "crm histroy" or hb_report ? > > I like to use crm history log to get the logs from all the nodes in a > single flow, but it depends quite a bit on configuration what gets > logged where.. > >> >> What happened: >> I tried to configure a simple drbd resource following >> http://clusterlabs.org/doc/en-US/Pacemaker/1.1-plugin/html-single/Clusters_from_Scratch/index.html#idm140457860751296 >> I used this simple snip from the doc: >> configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \ >> op monitor interval=60s > > I'll try to sum up the issues I see, from a glance: > > * The drbd resource is a multi-state / master-slave resource, which is > technically a variant of a clone resource where different clones can > either be in a primary or secondary state. To configure it correctly, > you'll need to create a master resource as well. Doing this with a > single command is unfortunately a bit painful. Either use crm > configure edit, or the interactive crm mode (with a verify / commit > after creating both the primitive and the master resources). > > * You'll need to create monitor operations for both the master and slave > roles, as you note below, and set explicit timeouts for all > operations. > > * Make sure the wwwdata DRBD resource exists, is accessible from both > nodes, and is in a good state to begin with (that is, not > split-brained). > > I would recommend following one of the tutorials provided by Linbit > themselves which show how to set this stuff up correctly, since it is > quite a bit involved. > >> Btw: is there a history like in the bash where i see which crm command i >> entered at which time ? I know that crm history is mighty, but didn't find >> that. > > We don't have that yet :/ If you're not in interactive mode, your bash > history should have the commands though. > >> no backup - no mercy > > lol ;) > > Cheers, > Kristoffer > > -- > // Kristoffer Grönlund > // [email protected] > > _______________________________________________ > Users mailing list: [email protected] > http://lists.clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org
_______________________________________________ Users mailing list: [email protected] http://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
