[Samba] ocfs2 problem on ctdb cluster

L.P.H. van Belle belle at bazuin.nl
Fri Aug 22 06:08:13 MDT 2014


and ... 

did you : service o2cb configure 

Whether the cluster stack driver should be loaded at boot time. 
The default response is no.. 

Greetz, 

Louis


>-----Oorspronkelijk bericht-----
>Van: belle at bazuin.nl [mailto:samba-bounces at lists.samba.org] 
>Namens L.P.H. van Belle
>Verzonden: vrijdag 22 augustus 2014 14:06
>Aan: samba at lists.samba.org
>Onderwerp: Re: [Samba] ocfs2 problem on ctdb cluster
>
>
>you can inserted this line inside /etc/network/interfaces
>post-up /etc/init.d/o2cb online ocfs2 
>see:  
>https://bugs.launchpad.net/ubuntu/+source/ocfs2-tools/+bug/481795 
>looks like an old bug..
>
>
>>-----Oorspronkelijk bericht-----
>>Van: steve at steve-ss.com [mailto:samba-bounces at lists.samba.org] 
>>Namens steve
>>Verzonden: vrijdag 22 augustus 2014 13:58
>>Aan: samba
>>Onderwerp: [Samba] ocfs2 problem on ctdb cluster
>>
>>
>>Ubuntu 14.04, drbd
>>Hi
>>On a drbd Primary node, when attempting to mount our cluster 
>partition:
>>sudo mount -t ocfs2 /dev/drbd1 /cluster
>>we get:
>>mount.ocfs2: Unable to access cluster service while trying to join the
>>group
>>
>>We then call:
>>sudo dpkg-reconfigure ocfs2-tools
>>Setting cluster stack "o2cb": OK
>>Starting O2CB cluster ocfs2: OK
>>
>>And all is well:
>>Aug 22 13:48:23 uc1 kernel: [ 1181.117051] o2dlm: Joining domain
>>B044256AC5F14DB089B4C87F28EE9583 ( 1 ) 1 nodes
>>Aug 22 13:48:23 uc1 kernel: [ 1181.258192] ocfs2: Mounting device
>>(147,1) on (node 1, slot 0) with ordered data mode.
>>
>> mount | grep cluster
>>/dev/drbd1 on /cluster type ocfs2 (rw,_netdev,heartbeat=local)
>>
>>
>>Why doesn't o2cb 'stick' after a reboot?
>>Thanks,
>>Steve
>>
>> /etc/ocfs2/cluster.conf 
>>node:
>>        ip_port = 7777
>>        ip_address = 192.168.0.10 
>>        number = 1
>>        name = uc1
>>        cluster = ocfs2
>>node:
>>        ip_port = 7777
>>        ip_address = 192.168.0.11 
>>        number = 2
>>        name = uc2
>>        cluster = ocfs2
>>cluster:
>>        node_count = 2
>>        name = ocfs2
>>
>>/etc/drbd.conf
>>global {
>>  usage-count yes;
>>}
>>common {
>>  net {
>>    protocol C;
>>  }
>>}
>>
>>resource r0 {
>> handlers {
>>   split-brain "/usr/lib/drbd/notify-split-brain.sh steve";
>>     }
>>
>>net { 
>>  allow-two-primaries; 
>>  after-sb-0pri discard-zero-changes;
>>  after-sb-1pri discard-secondary;
>>  after-sb-2pri disconnect;
>>      }
>> startup { 
>>  become-primary-on both;
>>          }
>>  on uc1 {
>>    device    /dev/drbd1;
>>    disk      /dev/sdb1;
>>    address   192.168.0.10:7789;
>>    meta-disk internal;
>>  }
>>  on uc2 {
>>    device    /dev/drbd1;
>>    disk      /dev/sdb1;
>>    address   192.168.0.11:7789;
>>    meta-disk internal;
>>  }
>>}
>>
>>[global]
>>workgroup = ALTEA
>>realm = ALTEA.SITE
>>security = ADS
>>kerberos method = secrets only
>>netbios name = SMBCLUSTER
>>disable netbios = Yes
>>clustering = Yes
>>ctdbd socket = /var/lib/run/ctdb/ctdbd.socket
>>[users]
>>path = /cluster/users
>>read only = No
>>[profiles]
>>path = /cluster/profiles
>>read only = No
>>[shared]
>>path = /cluster/shared
>>force create mode = 0770
>>read only = No
>>
>>
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>>
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