[DRBD-user] oos > 0 again, and again every week

sylarrrrrrr at aim.com sylarrrrrrr at aim.com
Sun Sep 27 09:06:09 CEST 2009

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


In /proc/drbd, I get oos:500 about every week. I get it after I run verify. After that I restart the secondary, and get oos:0, and then verify pass fine with oss:0. But after a week I get oos:500 again. When I write 500, I mean about 500, every week the number is a bit different. I have ocfs2 on top of drbd that is on top of lvm that is on top of mdadm raid5. My meta data is on top of an lvm that is on top of a separate single disk. My meta data is a 47MB partition of which 44MB? is used by LVM. I didn't touch any of the default sizes for anything of the underlying systems. I know that mdadm chunk size is 64kb. Lvm PE is 4MB. drbd version is 8.3.2rc2

Is this a serious problem? 

I want to run drbd in dual primary mode, but due to this problem I am being cautious and run it primary only on node #1.

What can I do to solve this problem?


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