Modification de Drbd

Cette page a pour but d'expliquer entre autre la philosophie de drbd


=== Erreur Drbd ===
<pre>
[root@kvm1.metier.csn.notaires.fr modules]# drbdadm up drbd0
0: Failure: (104) Can not open backing device.
Command 'drbdsetup attach 0 /dev/sdc1 /dev/sdc1 internal --resync-rate=110M --on-io-error=detach --fencing=dont-care' terminated with exit code 10

[root@kvm1.metier.csn.notaires.fr modules]# drbdadm role drbd0
Unconfigured

[root@kvm1.metier.csn.notaires.fr modules]# dmesg
d-con drbd0: Starting worker thread (from drbdsetup [16779])
block drbd0: open("/dev/sdc1") failed with -16
d-con drbd0: Terminating worker thread
d-con drbd0: Starting worker thread (from drbdsetup [16796])
block drbd0: open("/dev/sdc1") failed with -16
d-con drbd0: Terminating worker thread

[root@kvm1.metier.csn.notaires.fr modules]# dmsetup ls
das_kvm1        (253:0)
das_kvm1p2      (253:2)
das_kvm1p1      (253:1)

[root@kvm1.metier.csn.notaires.fr modules]# dmsetup remove das_kvm1p1
[root@kvm1.metier.csn.notaires.fr modules]# dmsetup remove das_kvm1p2
[root@kvm1.metier.csn.notaires.fr modules]# dmsetup ls
das_kvm1        (253:0)
[root@kvm1.metier.csn.notaires.fr modules]# dmsetup remove das_kvm1

[root@kvm1.metier.csn.notaires.fr modules]# dmsetup ls
No devices found

[root@kvm1.metier.csn.notaires.fr modules]# drbdadm up drbd0

[root@kvm1.metier.csn.notaires.fr modules]# cat /proc/drbd
version: 8.4.0 (api:1/proto:86-100)
GIT-hash: 28753f559ab51b549d16bcf487fe625d5919c49c build by root@kvm1.metier.csn.notaires.fr, 2012-11-07 18:02:08
 0: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----s
    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:1073703568
 1: cs:Connected ro:Secondary/Secondary ds:Diskless/Diskless 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:0
[root@kvm1.metier.csn.notaires.fr modules]#
</pre>

[[Catégorie:Linux]]