Archive for the ‘Sun Cluster’ Category
On Demand Webcast : SPARC SuperCluster
Filed under: Oracle Cluster, Sun Cluster | Tags: Oracle Solaris Cluster
Leave a Comment Gaye Hudson and Steve Walker talk to John Abel, Chief Technology Architect, Oracle Server and Storage, EMEA, about SPARC SuperCluster and T4; and to Luc Gheysens, Senior Director, Storage Sales Specialist, EMEA, about ZFS Storage and Pillar Axiom 600
New Challenge the way to success
We are is what we think, everything that we get is what we effort. with passion and focus we can reach and get our dreams to be true. Everyday in your life, career & social we will face the challenge, the challenge are vary depending on your daily life and your interest… you can take it or lose it.
Today I just passed : Oracle Certified Professional, Oracle Solaris Cluster 3.2 System Administrator and this is my new challenge in my career.
The Oracle Certified Professional, Oracle Solaris Cluster 3.2 System Administrator certification is for system administrators who install, support and administer Oracle Solaris Cluster 3.2 or Sun Cluster 3.2. It is recommended that candidates have the course Sun Cluster 3.2 Administration as well as a minimum of 6-12 months of Oracle Solaris Cluster or Sun Cluster installation and administration experience, basic network administration and ability to perform Volume Management using both Solaris Volume Manager softwware (SVM) and VERITAS Volume Manager (VxVM). ~ Oracle Certification Program
Troubleshooting the lost diskset on Sun Cluster
In middle of night I check my cluster labs, and it show my apache resource group is not running… I re-check it, and I found that the cluster node didn’t mount the webds /global/web. My webds diskset is gone, I don’t know the root cause of this problem… 
maybe I’m doing another lab in the same node, and did not consciously change its configuration.
if i check the metaset of the webds status, it show no node that own this diskset
bash-3.00# metaset -s webds Set name = webds, Set number = 2 Host Owner clnode-01 clnode-02 Mediator Host(s) Aliases clnode-01 clnode-02 Driv Dbase d6 Yes
and if I running the metastat status for webds it coming up with error :
bash-3.00# metastat -s webds metastat: clnode-01: webds: must be owner of the set for this command
The resolution is simple, below my troubleshooting :
1. boot your node-1 & node-2 in non cluster mode
2. comment out the share device at /etc/vfstab
3. boot your node-1 & node-2 in cluster mode
4. on node-2 :
force purge the lost disket :
metaset -s <setname> -P -f
5. on node-1 :
force purge the lost disket :
metaset -s <setname> -P -f
re-recreate your metaset disket :
metaset -s <setname> -a -h NodeA NodeB metaset -s <setname> -a <diskpath0> <diskpath1> ... <diskpathN> metaset -s <setname> -a -m NodeA NodeB metaset
(should show new set and ownership)
Note : because my webds disket is set of the svm disk, I re-create the soft partition on it..
bash-3.00# metainit -s webds d1 1 1 /dev/did/rdsk/d6s0
webds/d1: Concat/Stripe is setup
bash-3.00# metainit -s webds d200 -p d1 3g
d200: Soft Partition is setup
bash-3.00# metastat -s webds
webds/d200: Soft Partition
Device: webds/d1
State: Okay
Size: 6291456 blocks (3.0 GB)
Extent Start Block Block count
0 32 6291456
webds/d1: Concat/Stripe
Size: 10457088 blocks (5.0 GB)
Stripe 0:
Device Start Block Dbase State Reloc Hot Spare
d6s0 0 No Okay No
Device Relocation Information:
Device Reloc Device ID
d6 No -
testing mount, and ls direcory :
bash-3.00# mount /dev/md/webds/dsk/d200 /global/web bash-3.00# ls -l /global/web total 24 drwxr-xr-x 2 root root 512 May 31 21:55 bin drwxr-xr-x 2 root bin 512 May 25 06:22 cgi-bin drwxr-xr-x 2 root root 512 May 31 21:59 conf drwxr-xr-x 2 root bin 1024 May 25 06:22 htdocs drwx------ 2 root root 8192 May 31 20:56 lost+found
in theory, And you should be happy, your cluster resource group is running again.
bash-3.00# clrg status
=== Cluster Resource Groups ===
Group Name Node Name Suspended Status
---------- --------- --------- ------
nfs-rg clnode-01 No Online
clnode-02 No Offline
apache-rg clnode-01:webapp-01 No Online
clnode-01:webapp-02 No Offline
bash-3.00# clrs status
=== Cluster Resources ===
Resource Name Node Name State Status Message
------------- --------- ----- --------------
nfs-res clnode-01 Online Online - Service is online.
clnode-02 Offline Offline
nfs-stor clnode-01 Online Online
clnode-02 Offline Offline
mycluster-nfs clnode-01 Online Online - LogicalHostname online.
clnode-02 Offline Offline
apache-res clnode-01:webapp-01 Online Online - Service is online.
clnode-01:webapp-02 Offline Offline
apache-stor clnode-01:webapp-01 Online Online
clnode-01:webapp-02 Offline Offline
mycluster-webapp clnode-01:webapp-01 Online Online - LogicalHostname online.
clnode-01:webapp-02 Offline Offline
reboot your node if needed. 
