Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
if you are using lvm, have you configured /etc/lvm/lvm.conf ? not long ago we had diskless issues due to a misconfigured lvm.conf . On Tue, Aug 4, 2015 at 6:49 AM, AJ NOURI <ajn.bin at gmail.com> wrote: > > I am confused between the official docs on > http://drbd.linbit.com/docs/about/ and some drbd tutorials on ubuntu > wiki concerning the step "Preparing your lower-level storage". > > Should we partition the storage and format it? Looks like we shouldn't > format it, to avoid "create-md exit code 40, drbd will take care of that. > Then should we mount it on both devices? > > I am suspecting most errors at this stage of preparing the storage. > > On node2 (primary) everything works fine (no error messages): > >> sudo drbdadm create-md r0 >> sudo service drbd start >> sudo drbdadm -- --overwrite-data-of-peer primary all >> sudo drbdadm up r0 > > > and detects itself as the primary node: > > ajn at node2:~$ >> * cat /proc/drbd*version: 8.4.3 (api:1/proto:86-101) >> srcversion: F97798065516C94BE0F27DC >> 1: cs:Connected ro:Primary/Secondary ds:UpToDate/Diskless C r----- >> ns:0 nr:0 dw:33504 dr:1637 al:9 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f >> oos:1048508 >> ajn at node2:~$ > > > > But on node2, I am stuck with " > *sudo drbdadm create-md r0* > *"* > > ajn at node1:~$ cat /proc/drbd >> version: 8.4.3 (api:1/proto:86-101) >> srcversion: F97798065516C94BE0F27DC >> 1: cs:Connected ro:Secondary/Primary ds:Diskless/UpToDate C r----- >> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0 >> ajn at node1:~$ > > > Though successfully detects itself as secondary: > > >> *sudo drbdadm create-md r0*[sudo] password for ajn: >> Writing meta data... >> md_offset 1073737728 >> al_offset 1073704960 >> bm_offset 1073672192 >> Found ext3 filesystem >> 1048576 kB data area apparently used >> 1048508 kB left usable by current configuration >> Device size would be truncated, which >> would corrupt data and result in >> 'access beyond end of device' errors. >> You need to either >> * use external meta data (recommended) >> * shrink that filesystem first >> * zero out the device (destroy the filesystem) >> Operation refused. >> Command 'drbdmeta 1 v08 /dev/sdb internal create-md' terminated with exit >> code 40 > > > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20150804/272aa08e/attachment.htm>