Dear All,
I am trying to setup DRBD by following the article at
http://www.howtoforge.com/setting-up-network-raid1-with-drbd-on-ubuntu-11.10-p2
I am using
Ubuntu 10.04
DRBD - 8.3.7
In the first run I had everything working perfectly and when shifting
the systems to a production environment I decided to restart the Meta
Data creation part and start from scratch. The IP's had changed entirely
in the production environment.
Issuing drdbadm create-md r0 in both the servers runs successfully. But
when I do "drbdadm -- --overwrite-data-of-peer primary all" on the
primary it fails to start the re sync.
My config file is as given below
resource r0 {
protocol C;
syncer {
rate 50M;
}
startup {
wfc-timeout 15;
degr-wfc-timeout 60;
}
net {
cram-hmac-alg sha1;
shared-secret "aklsadkjlhdbskjndsf8738734jkfkjfkjf";
}
on primaryds {
device /dev/drbd0;
disk /dev/md2;
address 172.16.7.1:7788;
meta-disk internal;
}
on secondaryds {
device /dev/drbd0;
disk /dev/md2;
address 172.16.7.3:7788;
meta-disk internal;
}
}
Status on primary
root@primaryds:~# cat /proc/drbd
version: 8.3.7 (api:88/proto:86-91)
GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
root@primaryds, 2012-05-12 15:08:01
0: cs:WFBitMapS ro:Primary/Secondary ds:UpToDate/Inconsistent C r----
ns:0 nr:0 dw:0 dr:200 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
oos:5690352828
Status on secondary
root@secondaryds:/etc/drbd.d# cat /proc/drbd
version: 8.3.7 (api:88/proto:86-91)
GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
root@secondaryds, 2012-05-12 15:25:25
0: cs:WFBitMapT ro:Secondary/Primary ds:Inconsistent/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:b
oos:5690352828
Log of Primary
May 30 13:42:23 primaryds kernel: [ 1584.057076] block drbd0: role(
Secondary -> Primary ) disk( Inconsistent -> UpToDate )
May 30 13:42:23 primaryds kernel: [ 1584.086264] block drbd0: Forced to
consider local data as UpToDate!
May 30 13:42:23 primaryds kernel: [ 1584.086303] block drbd0: Creating
new current UUID
May 30 13:42:26 primaryds kernel: [ 1586.405551] block drbd0:
drbd_sync_handshake:
May 30 13:42:26 primaryds kernel: [ 1586.405564] block drbd0: self
E8A075F378173D4B:0000000000000004:0000000000000000:0000000000000000
bits:1422588207 flags:0
May 30 13:42:26 primaryds kernel: [ 1586.405574] block drbd0: peer
0000000000000004:0000000000000000:0000000000000000:0000000000000000
bits:1422588207 flags:0
May 30 13:42:26 primaryds kernel: [ 1586.405582] block drbd0:
uuid_compare()=2 by rule 30
May 30 13:42:26 primaryds kernel: [ 1586.405587] block drbd0: Becoming
sync source due to disk states.
May 30 13:42:26 primaryds kernel: [ 1586.405592] block drbd0: Writing
the whole bitmap, full sync required after drbd_sync_handshake.
May 30 13:42:27 primaryds kernel: [ 1588.171638] block drbd0: 5427 GB
(1422588207 bits) marked out-of-sync by on disk bit-map.
May 30 13:42:27 primaryds kernel: [ 1588.172769] block drbd0: conn(
Connected -> WFBitMapS )
Log in Secondary
May 30 13:42:24 secondaryds kernel: [ 1563.304894] block drbd0: peer(
Secondary -> Primary ) pdsk( Inconsistent -> UpToDate )
May 30 13:42:24 secondaryds kernel: [ 1563.339674] block drbd0:
drbd_sync_handshake:
May 30 13:42:24 secondaryds kernel: [ 1563.339685] block drbd0: self
0000000000000004:0000000000000000:0000000000000000:0000000000000000
bits:1422588207 flags:0
May 30 13:42:24 secondaryds kernel: [ 1563.339695] block drbd0: peer
E8A075F378173D4B:0000000000000004:0000000000000000:0000000000000000
bits:1422588207 flags:0
May 30 13:42:24 secondaryds kernel: [ 1563.339703] block drbd0:
uuid_compare()=-2 by rule 20
May 30 13:42:24 secondaryds kernel: [ 1563.339709] block drbd0: Becoming
sync target due to disk states.
May 30 13:42:24 secondaryds kernel: [ 1563.339714] block drbd0: Writing
the whole bitmap, full sync required after drbd_sync_handshake.
May 30 13:42:26 secondaryds kernel: [ 1565.652342] block drbd0: 5427 GB
(1422588207 bits) marked out-of-sync by on disk bit-map.
May 30 13:42:26 secondaryds kernel: [ 1565.652965] block drbd0: conn(
Connected -> WFBitMapT )
The serves are now stuck like this. Tried redoing it couple of time but
noting happens.
Why could the resync not be taking place.
Regards,
Divyesh
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