Re: Shared IP address

[Sharad Shukla <sharadshukla19@xxxxxxxxx>]

Hi Alex and friends,

I have installed CTDB and all related packages . I did all the required steps to configure ctdb and samba configuration, but somehow the lockfile functionality does not work.

Following is the ctdb configuration:
CTDB_RECOVERY_LOCK="/mnt/datavaol/lock/lockfile"
CTDB_PUBLIC_ADDRESSES=/etc/ctdb/public_addresses
CTDB_MANAGES_SAMBA=yes
CTDB_NODES=/etc/ctdb/nodes

Having the above config I was getting the error "Unable to find lockfile". So the problem was with CTDB_RECOVERY_LOCK, so I commented it. After this I again started ctdb services but now the Samba starting was a big problem....  I was getting the following error:
Starting SMB services: /bin/bash: line 1:  4339 Aborted                 (core dumped) smbd -D

Following is the smb.conf:
[global]
        clustering = yes
        idmap backend = tdb2
        private dir = /mnt/datavol/lock

[share]
        comment = Gluster and CTDB based shared volume
        path = /mnt/datavol/share
        read _only_ = no
        guest ok = yes

I tried every possible way to start Samba daemon but failed to do so ..

I would really appreciate if you can look into this configuration and suggest me some tips to make ctdb running without any errors..

Thanks & Regards

Sharad

On Wed, Apr 29, 2015 at 11:45 AM, Alex Crow <acrow@xxxxxxxxxxxxxxxx> wrote:

On 29/04/15 10:34, Sharad Shukla wrote:

Hi Susant,

I have installed Glusterfs in 2 machines which I want to use for establishing cluster. I am using CentOs 6.6. The gluster volume is set up and running fine. I am manually creating the files onto the mounted volume and they are replicating..

So far looks like everything is working. Now I have configured a shared ip address for reaching the replicated volume by using the following command:

gluster volume set [VOLUME] auth.allow [IP ADDRESS]

This IP address is visible to me under "gluster volume info", but I am unable to ping this ip address. I am getting the message that "Host is unreachable"

I need this ip address reachable so that I can connect my application which needs to use this shared ip to connect to cluster.

This application is a little urgent for me. I would really appreciate your help..

Thanks

Sharad

Hi,

That command is just setting an acl for that IP to connect to the gluster daemon.

Normally you don't need to add any IP addresses as glusterfs clients will know about both servers as soon as they connect to one of them. If you're using Samba or NFS the preferred option is to use CTDB to spread a pool of virtual IP addresses over the servers.

Cheers

Alex

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