[DRBD-user] Doubts about DRBD

[Faria]

Hello,

I have a doubts about status DRBD, well look my configuration, i the end i put the doubts.

See my status in DRBD:

My rc.local:

#ubuntu-cluster2 (master)
/sbin/modprobe drbd
/sbin/drbdadm attach r0
/sbin/drbdadm connect r0
/sbin/drbdadm -- --overwrite-data-of-peer primary r0
/sbin/drbdadm primary all
exit 0

#slave
#ubuntu-cluster1 (slave)
/sbin/modprobe drbd
/sbin/drbdadm attach r0
/sbin/drbdadm connect r0
/sbin/drbdadm secondary all

root at ubuntu-cluster2:~# cat /proc/drbd
version: 8.2.6 (api:88/proto:86-88)
GIT-hash: 3e69822d3bb4920a8c1bfdf7d647169eba7d2eb4 build by root at ubuntu-cluster2, 2008-08-19 13:20:20
0: cs:StandAlone st:Primary/Unknown ds:UpToDate/DUnknown   r---
    ns:0 nr:0 dw:12 dr:126 al:0 bm:2 lo:0 pe:0 ua:0 ap:0 oos:12288

root at ubuntu-cluster1:~# cat /proc/drbd
version: 8.2.6 (api:88/proto:86-88)
GIT-hash: 3e69822d3bb4920a8c1bfdf7d647169eba7d2eb4 build by root at ubuntu-cluster1, 2008-08-19 13:19:15
0: cs:WFConnection st:Secondary/Unknown ds:UpToDate/DUnknown C r---
    ns:0 nr:0 dw:8 dr:17 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 oos:128

Status netsta -a :

root at ubuntu-cluster2:~# netstat -a | grep 10.0.0.2
udp        0      0 10.0.0.2:netbios-ns     *:*                               
udp        0      0 10.0.0.2:netbios-dgm    *:*

root at ubuntu-cluster1:~# netstat -a |grep 10.0.0.1
tcp        0      0 10.0.0.1:7789           *:*                     LISTEN

My /etc/drbd.conf

root at ubuntu-cluster2:~# cat /etc/drbd.conf
global {
  usage-count yes;
}
common {
  protocol C;
}
resource r0 {
  on ubuntu-cluster1 {
    device    /dev/drbd0;
    disk      /dev/sda4;
    address   10.0.0.1:7789;
    meta-disk internal;
  }
  on ubuntu-cluster2 {
    device    /dev/drbd0;
    disk      /dev/hdb4;
    address   10.0.0.2:7789;
    meta-disk internal;
  }

Using this configuration o device /dev/drbd0 is mounted in ubuntu-cluster1 (node secondary).

The status are Standalone and WFConnection.
I think could be SynSource and Synctarget.

What's the better state for all nodes ?

best regards,

Faria


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