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Re: [Linux-cluster] re:GFS Cookbook


On Dec 14, 2007 9:20 PM, Bob Peterson <rpeterso redhat com> wrote:
On Fri, 2007-12-14 at 03:46 +0530, Rajagopal Swaminathan wrote:
If your local storage is ext3, it should not have a problem.
The journals should take care of everything for you.  So it is
only the shared storage you need to be concerned about.
If that shared storage for user home directories is gfs or gfs2,
after the reboot, the file system is re-mounted, which will
replay the journals.  So again, everything should be okay.

the shared storage is a DRBD device.

We have observed that this mucks up pretty badly....

Fencing hasn't arrived. So clustering without _hardware_ poweroff doesn't work. Right?

In US fencing device might be a given. But in the Indian (_not_ American Indian but the largest Democracy in the world) Environment it is a long drawn out procedure to spend $2000 for a proprietarey fencing device and the same is true for developing nations. We have somehow managed to get the the supera(rathe ulti-)nnuated cretin of "Management" to approve one but the technical issue remains.

Of course any answer would increase the Redhat EL Adoption explode enough to make the proprietary viri irrelevant .

I will work towards it.



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