[DRBD-user] Change RAID Controller with drbd

Stefan Novak stefan.novak at bnet.at
Wed Mar 25 13:40:25 CET 2009

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

Hello List, 

I tried to change the Raid Controller's of my 2 drbd cluster. 
So i halted one one made a raw backup change the controller und restore
the data. After this my secound drbd volume don't come up. 

The failure message was: 
meta data updated failed 
IO ERROR writing bitmap sector 0 (meta-disk sector 
short sent ReportParams size=80 send=-1000 

I think the meta date store is broken :( 
Is it possible to change the raid hardware with drbd and raw backup or
is there another solution? 

DRBD Version:
543#po-a:cat /proc/drbd 
version: 0.7.16 (api:77/proto:74)
SVN Revision: 2066 build by root at po-a, 2006-05-04 19:43:27
 0: cs:Connected st:Primary/Secondary ld:Consistent
    ns:54144680 nr:2400200 dw:56544880 dr:7351293 al:904135 bm:10164
lo:8 pe:8 ua:0 ap:8
 1: cs:Connected st:Secondary/Primary ld:Consistent
    ns:0 nr:15406552 dw:15406552 dr:0 al:0 bm:77 lo:0 pe:0 ua:0 ap:0

thx Stefan

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