- Community Home
- >
- Servers and Operating Systems
- >
- Operating Systems
- >
- Operating System - Linux
- >
- Re: redhat linux remove quorum device
Operating System - Linux
1753796
Members
7054
Online
108799
Solutions
Forums
Categories
Company
Local Language
юдл
back
Forums
Discussions
Forums
- Data Protection and Retention
- Entry Storage Systems
- Legacy
- Midrange and Enterprise Storage
- Storage Networking
- HPE Nimble Storage
Discussions
Discussions
Discussions
Forums
Forums
Discussions
юдл
back
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
- BladeSystem Infrastructure and Application Solutions
- Appliance Servers
- Alpha Servers
- BackOffice Products
- Internet Products
- HPE 9000 and HPE e3000 Servers
- Networking
- Netservers
- Secure OS Software for Linux
- Server Management (Insight Manager 7)
- Windows Server 2003
- Operating System - Tru64 Unix
- ProLiant Deployment and Provisioning
- Linux-Based Community / Regional
- Microsoft System Center Integration
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Blogs
Information
Community
Resources
Community Language
Language
Forums
Blogs
Topic Options
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО11-08-2010 04:24 AM
тАО11-08-2010 04:24 AM
redhat linux remove quorum device
hi, I am using redhat linux 5.3 with 2 node cluster.Trying to remove existing quorum device and add new quorum coming from different SAN.
From existing threads posted here I understood that neither cluster nor server will be effected while performing this task.
after stopping quorumd created new quorum device using mkqdisk command. removed the old quorum from cluster using cman_tool leave remove and ensured the quorum isnt member using cman_tool nodes command. But the clustat is still displaying this quorum as a member.
after editing cluster.conf file with new quorum device tried to restart cman, but got below error. could someone assist me in resolving this issue.
Stopping cman... failed
/usr/sbin/cman_tool: Error leaving cluster: Device or resource busy
[FAILED]
From existing threads posted here I understood that neither cluster nor server will be effected while performing this task.
after stopping quorumd created new quorum device using mkqdisk command. removed the old quorum from cluster using cman_tool leave remove and ensured the quorum isnt member using cman_tool nodes command. But the clustat is still displaying this quorum as a member.
after editing cluster.conf file with new quorum device tried to restart cman, but got below error. could someone assist me in resolving this issue.
Stopping cman... failed
/usr/sbin/cman_tool: Error leaving cluster: Device or resource busy
[FAILED]
2 REPLIES 2
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-02-2010 12:51 AM
тАО12-02-2010 12:51 AM
Re: redhat linux remove quorum device
Sounds like RH cluster not Serviceguard to me. Sorry, cannot help you here.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-02-2010 02:45 AM
тАО12-02-2010 02:45 AM
Re: redhat linux remove quorum device
> removed the old quorum from cluster using cman_tool leave remove
The command "cman_tool leave remove" does *not* remove the quorum device: when you run this command on a node, that *node* will attempt to leave the cluster. If you have cluster subsystems (like DLM or GFS) running at this point, the command will fail.
I've seen this exact same misunderstanding once before on this forum: what made you think "cman_tool leave remove" was appropriate in this procedure? Perhaps there is an error in some commonly-used document.
You don't have to stop cman to change the quorum device; if your cluster has no other problems, you can shutdown and restart the qdiskd service only.
If you change the quorum device while the cluster is running, the old quorum device may remain listed in the clustat output (but please note that it's state will be "Offline"). Once the quorum device change is complete, you may have two quorum devices in the clustat output; this is a cosmetic problem only and should not affect the functionality of the cluster (or so RedHat's "RHEL 5.4 Storage and Clustering" course instructor told me).
I think more information about the current state of your cluster and node is needed before I can suggest a fix for your problem.
Please show the output of all these commands:
service cman status
service clvmd status
service rgmanager status
service qdiskd status
service gfs status
service gfs2 status
cman_tool nodes
If "service cman status" indicates cman is running, please show the output of "cman_tool services" too.
Perhaps your earlier "cman_tool leave remove" caused cman to stop? In that case, run "service cman start". If that works correctly, verify that all the cluster services you need are running.
MK
The command "cman_tool leave remove" does *not* remove the quorum device: when you run this command on a node, that *node* will attempt to leave the cluster. If you have cluster subsystems (like DLM or GFS) running at this point, the command will fail.
I've seen this exact same misunderstanding once before on this forum: what made you think "cman_tool leave remove" was appropriate in this procedure? Perhaps there is an error in some commonly-used document.
You don't have to stop cman to change the quorum device; if your cluster has no other problems, you can shutdown and restart the qdiskd service only.
If you change the quorum device while the cluster is running, the old quorum device may remain listed in the clustat output (but please note that it's state will be "Offline"). Once the quorum device change is complete, you may have two quorum devices in the clustat output; this is a cosmetic problem only and should not affect the functionality of the cluster (or so RedHat's "RHEL 5.4 Storage and Clustering" course instructor told me).
I think more information about the current state of your cluster and node is needed before I can suggest a fix for your problem.
Please show the output of all these commands:
service cman status
service clvmd status
service rgmanager status
service qdiskd status
service gfs status
service gfs2 status
cman_tool nodes
If "service cman status" indicates cman is running, please show the output of "cman_tool services" too.
Perhaps your earlier "cman_tool leave remove" caused cman to stop? In that case, run "service cman start". If that works correctly, verify that all the cluster services you need are running.
MK
MK
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
News and Events
Support
© Copyright 2024 Hewlett Packard Enterprise Development LP