[Linux-cluster] Fencing Question
Digimer
lists at alteeve.ca
Mon Jun 6 22:22:50 UTC 2016
On 06/06/16 05:37 PM, Andrew Kerber wrote:
> I am doing some experimentation with Linux clustering, and still fairly
> new on it. I have built a cluster as a proof of concept running a
> PostgreSQL 9.5 database on gfs2 using VMware workstation 12.0 and
> RHEL7. GFS2 requires a fencing resource, which I have managed to create
> using fence_virsh. And the clustering software thinks the fencing is
> working. However, it will not actually shut down a node, and I have not
> been able to figure out the appropriate parameters for VMware
> workstation to get it to work. I tried fence-scsi also, but that doesnt
> seem to work with a shared vmdk, Has anyone figured out a fencing
> agent that will work with VMware workstation?
>
> Failing that, is there a comprehensive set of instructions for creating
> my own fencing agent?
>
>
> --
> Andrew W. Kerber
>
> 'If at first you dont succeed, dont take up skydiving.'
The 'fence_vmware' (and helpers) are designed specifically for vmware.
I've not used them myself, but I've heard of many people using them
successfully.
Side note;
GFS2, for all it's greatness, is not fast (nothing using cluster locking
will be). Be sure to performance test before production. If you find the
performance is not good, consider active/passive on a standard FS.
--
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without
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