Samba Cluster with GFS 2, Centos 5, iSCSI and Openfiler

Another awesome lab/demo for you today ;)

But seriously, after finding the general documentation to be a bit lacking regarding clustering (especially with regards to the extra quorum vote)

Heres hoping that this lab will allow you to work out how clusters work and implement it within your company.

A diagram for your viewing pleasure:





Part1
VMware Lab Setup
Node Setup
iSCSI setup
Quorum Setup
Helpful Commands:

system-config-network
edit /etc/hosts
service network restart
yum groupinstall "Clustering"
yum groupinstall "Cluster Storage"
yum groupinstall "Windows File Server"
chkconfig --del smb
yum install iscsi-initiator-utils
service iscsi start
iscsiadm -m discovery -t sendtargets -p 192.168.1.3
service iscsi restart
fdisk -l
mkqdisk -c /dev/sdb -l quorum
luci_admin init


Samba Cluster with GFS 2, Centos 5, iSCSI and Openfiler - Part 1 from Richard Vimeo on Vimeo.

Part2
GFS2 Setup
Configuring using Luci
Quorum setup cont
Helpful Commands:

mkfs.gfs2 -p lock_dlm -t cluster1:sanvol1 -j 4 /dev/sdc
mkdir /san
mkdir /san/sanvol1
service ricci restart
service qdiskd restart
chkconfig luci on
chkconfig qdiskd on
(do node2)

use luci to create cluster


Quorum parameters:
interval=1
votes=1
tko=10
min score=1
heuristics=ping -c2 -t1 192.168.1.3

mount /dev/sdc /san/sanvol1
gfs2_tool list
gfs2_tool df
umount /san/sanvol1

cman_tool status


Samba Cluster with GFS 2, Centos 5, iSCSI and Openfiler - Part 2 from Richard Vimeo on Vimeo.

Part 3
Configuring Fencing, Failover Domain, Resources
and Services.
Helpful Commands:

Configure Resources:
IP
GFS
Samba

Configure failover Domains

Configure Shared Fencing Device (then nodes)

Add Services

workgroup = cookie
server string = Samba Server Version %v
bind interfaces only = yes
interfaces = 10.0.1.100
netbios name = cluster1
local master = no
domain master = no
preferred master = no
password server = None
guest ok = yes
guest account = root
security = SHARE
dns proxy = no




[sanvol]
comment = High Availability Samba Service
browsable = yes
writable = yes
public = yes
path = /san/sanvol1
guest ok=yes
create mask=0777

smbpasswd -a root

scp /etc/samba/smb.conf.cluster1 node2:/etc/samba/

restart smb

redo services - ip-GFS-samba

soft reboot


Samba Cluster with GFS 2, Centos 5, iSCSI and Openfiler - Part 3 from Richard Vimeo on Vimeo.

Part 4
Testing!

Samba Cluster with GFS 2, Centos 5, iSCSI and Openfiler - Part 4 from Richard Vimeo on Vimeo.

Enjoy!