[DRBD-user] sync doesnt work

Walter Robert Ditzler ditwal001 at gmail.com
Wed Jun 27 10:30:44 CEST 2012

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


hi all,

 

i have a problem in sync'ing 2 hosts. actually they dont even when i see in
the status, that all goes fine! for maintenance reasons i had to move my xen
from host xen001 to host xen002. after stopping xen001 and starting xen002 i
realized, that i had a 2 month old disk replication.

 

after stopping drbd and doing the "dd bs=4M if=/dev/vgmain/lv_server01 | ssh
-p 2222 root at 10.255.255.2 'dd bs=4M of=/dev/vgmain/lv_server01'" i had again
the latest copy onto the xen002 L

 

any glue in that?

 

thanks a lot, walter.

 

 

(ping works between hosts)

***

root at srv-ldeb-xen001:~# ping 10.255.255.2

PING 10.255.255.2 (10.255.255.2) 56(84) bytes of data.

64 bytes from 10.255.255.2: icmp_req=1 ttl=64 time=0.166 ms 

 

root at srv-ldeb-xen002:~#  ping 10.255.255.1

PING 10.255.255.1 (10.255.255.1) 56(84) bytes of data.

64 bytes from 10.255.255.1: icmp_req=1 ttl=64 time=0.169 ms

***

 

(drbd status)

***

root at srv-ldeb-xen001:~# /etc/init.d/drbd status

drbd driver loaded OK; device status:

version: 8.3.11 (api:88/proto:86-96)

srcversion: 0D2B62DEDB020A425130935

m:res         cs            ro                 ds                 p  mounted
fstype

0:server01    Connected     Primary/Secondary  UpToDate/UpToDate C

1:server02    Connected     Primary/Secondary  UpToDate/UpToDate  C

2:server03    Connected     Primary/Secondary  UpToDate/UpToDate  C

3:server04    Connected     Primary/Secondary  UpToDate/UpToDate  C

4:server05_1  Connected     Primary/Secondary  UpToDate/UpToDate  C

5:server05_2  Connected     Primary/Secondary  UpToDate/UpToDate  C

6:server06    Connected     Primary/Secondary  UpToDate/UpToDate  C

root at srv-ldeb-xen001:~#

***

 

(lvm and drbd install script)

***

lvcreate -L 10GB -n lv_drbd-meta vgmain

lvcreate -L 100GB -n lv_server01 vgmain

lvcreate -L 50GB -n lv_server02 vgmain

lvcreate -L 100GB -n lv_server03 vgmain

lvcreate -L 100GB -n lv_server04 vgmain

lvcreate -L 50GB -n lv_server05_1 vgmain

lvcreate -L 1.15TB -n lv_server05_2 vgmain

lvcreate -L 50GB -n lv_server06 vgmain

 

drbdadm -f create-md server01

drbdadm -f create-md server02

drbdadm -f create-md server03

drbdadm -f create-md server04

drbdadm -f create-md server05_1

drbdadm -f create-md server05_2

drbdadm -f create-md server06

 

/etc/init.d/drbd start

 

drbdadm up server01

drbdadm up server02

drbdadm up server03

drbdadm up server04

drbdadm up server05_1

drbdadm up server06

 

(only on xen001 host)

drbdsetup /dev/drbd0 primary -o

drbdsetup /dev/drbd1 primary -o

drbdsetup /dev/drbd2 primary -o

drbdsetup /dev/drbd3 primary -o

drbdsetup /dev/drbd4 primary -o

drbdsetup /dev/drbd5 primary -o

drbdsetup /dev/drbd6 primary -o

***

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