Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hello,
On Thursday 10 June 2010 02:32:18 Michael Joyner wrote:
.....
> root at san-node-2 ~]# cat /proc/drbd
> version: 8.3.2 (api:88/proto:86-90)
Please consider an update .... latest is 8.3.8 ....
> GIT-hash: dd7985327f146f33b86d4bff5ca8c94234ce840e build by
> mockbuild at v20z-x86-64.home.local, 2009-08-29 14:07:55
> 0: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r----
> ns:0 nr:5180 dw:5180 dr:0 al:0 bm:24 lo:1 pe:1389 ua:0 ap:0 ep:1 wo:b
> oos:43964
> [==>.................] sync'ed: 16.7% (43964/49144)K
> finish: 0:00:08 speed: 5,180 (5,180) K/sec
> 1: cs:Connected ro:Secondary/Primary ds:UpToDate/UpToDate C r----
> ns:0 nr:49044 dw:49044 dr:0 al:0 bm:44 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b
> oos:0
> 2: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r----
> ns:0 nr:6896 dw:6896 dr:0 al:0 bm:28 lo:1 pe:1346 ua:0 ap:0 ep:1 wo:b
> oos:42436
> [===>................] sync'ed: 23.1% (42436/49332)K
> finish: 0:00:05 speed: 6,896 (6,896) K/sec
>
.... LVM on your system supports barriers --> drbd supports barriers -->
barriers are used to enforce write-after-write dependencies per default ...
use drbd config-param 'no-disk-barrier'
Regards,
Andreas
> === /etc/drbd.conf ==============================
>
> global {
> usage-count yes;
> }
> common {
> protocol C;
> syncer { rate 700000K; }
> net {
> sndbuf-size 0;
> after-sb-0pri discard-least-changes;
> after-sb-1pri discard-secondary;
> }
> startup {
> degr-wfc-timeout 30000;
> }
> disk {
> no-disk-flushes;
> no-md-flushes;
> }
>
> }
> resource sdb {
> on san-node-1.ewc.edu {
> device /dev/drbd0;
> disk /dev/sdb;
> address 192.168.XXX.XX1:7789;
> meta-disk internal;
> }
> on san-node-2.ewc.edu {
> device /dev/drbd0;
> disk /dev/sdb;
> address 192.168.XXX.XX2:7789;
> meta-disk internal;
> }
> }
> resource sdc {
> on san-node-1.ewc.edu {
> device /dev/drbd1;
> disk /dev/sdc;
> address 192.168.XXX.XX1:7790;
> meta-disk internal;
> }
> on san-node-2.ewc.edu {
> device /dev/drbd1;
> disk /dev/sdc;
> address 192.168.XXX.XX2:7790;
> meta-disk internal;
> }
> }
> resource sdd {
> on san-node-1.ewc.edu {
> device /dev/drbd2;
> disk /dev/sdd;
> address 192.168.XXX.XX1:7791;
> meta-disk internal;
> }
> on san-node-2.ewc.edu {
> device /dev/drbd2;
> disk /dev/sdd;
> address 192.168.XXX.XX2:7791;
> meta-disk internal;
> }
> }
>
--
: Andreas Kurz
: LINBIT | Your Way to High Availability
: Tel +43-1-8178292-64, Fax +43-1-8178292-82
:
: http://www.linbit.com
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