[DRBD-user] node shows uptodate and oos:****** ?

Eric Blevins ericlb100 at gmail.com
Fri Sep 18 03:17:15 CEST 2015

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


> what confused me is the diskless resources on node 1 can't be  writing
data, and the resources on node 2 are fully up to date, so why is it node 2
that shows data like oos:1825092
The other node is diskless so all the blocks are out of sync.

Nothing in your configuration jumps out as being wrong but I consider my
knowledge of DRBD less than expert.

The only time I ever dealt with diskless DRBD problems was due to some
short stroked WD RE3 disks timing out causing the RAID array to fail. A
hard drive firmware update resolved that problem.

So that is the only suggestion I have, check to see if your disks are slow.
DRBD will spit out some kernel messages before going diskless. Check your
kernel log or dmesg output. If you see some related messages post them here
and maybe someone can help you understand them.
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