Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hello, i did some tests.
In my systems i have devices:
NODE1:
root at host22446655:~# ls -al /dev/drbd0
brw-r--r-- 1 root root 147, 0 Nov 23 15:32 /dev/drbd0
root at host22446655:~# ls -al /dev/sssveB-ashf-11v3-4a33-ixzz-iC81-Spp16p_drbd
brw-r--r-- 1 root root 147, 0 Nov 26 10:01
/dev/sssveB-ashf-11v3-4a33-ixzz-iC81-Spp16p_drbd
NODE2:
root at host22446677:~# ls -al /dev/drbd0
brw-r--r-- 1 root root 147, 0 Jan 4 05:28 /dev/drbd0
root at host22446677:~# ls -al /dev/sssc7s-dRzb-51O9-9fFy-n5IQ-n4at-bUT2H6_drbd
brw-r--r-- 1 root root 147, 0 Jan 11 01:05
/dev/sssc7s-dRzb-51O9-9fFy-n5IQ-n4at-bUT2H6_drbd
On both nodes i typed: drbdadm down all
In both /etc/drbd.conf i use devices, that have LONG names:
NODE1:
...
device
"/dev/sssveB-ashf-11v3-4a33-ixzz-iC81-Spp16p_drbd";
...
NODE2:
...
device
"/dev/sssc7s-dRzb-51O9-9fFy-n5IQ-n4at-bUT2H6_drbd";
...
then i up both resources and set NODE2 as primary.
root at host22446677:~# drbdadm adjust all
root at host22446677:~# cat /proc/drbd
version: 8.0.6 (api:86/proto:86)
SVN Revision: 3048 build by root at develsystem, 2007-11-23 17:23:17
0: cs:SyncTarget st:Primary/Secondary ds:Inconsistent/UpToDate C r---
ns:0 nr:10656 dw:10592 dr:0 al:0 bm:2 lo:3 pe:565 ua:2 ap:0
[>...................] sync'ed: 1.6% (1037984/1048576)K
finish: 0:01:36 speed: 10,592 (10,592) K/sec
resync: used:2/31 hits:1227 misses:2 starving:0 dirty:0 changed:2
act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
In this moment i have full resync.
When i afterward use SHORT name devices:
...
device "/dev/drbd0";
...
and i type:
root at host22446677:~# drbdadm adjust all
root at host22446677:~# cat /proc/drbd
version: 8.0.6 (api:86/proto:86)
SVN Revision: 3048 build by root at develsystem, 2007-11-23 17:23:17
0: cs:Connected st:Primary/Secondary ds:UpToDate/UpToDate C r---
ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
resync: used:0/31 hits:0 misses:0 starving:0 dirty:0 changed:0
act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
I don`t have full resync in this case.
Is it possible that it is related to long device names?
None of devices was changed during the test.
Thanks in advance
Best regards
--
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