Hi,

I am facing a strange problem. I have a server with red hat installed on it. This server is connected to a storage server via fibre channel.
Few days ago we presented a hard disk to this server.

I created a volume group for that hard disk and it was working fine.
Some days ago server has to be restarted. When server came back, server was unable to mount logical volume because volume group folder in dev as well as logical volume device file was deleted. I have to recreate it using vgscan then making VG active.

For checking purposes I restared server again and volume group folder was again deleted.

Any one have any idea about this why this could happen. There is no information of it in system logs.

Need help from you guys.


waiting for response.

Regards
Farrukh

Yep. I'll bet the os uses udev. udev creates /dev at boot. so anything you make yourself disapears after a reboot. the proper way to fix this is to add a udev rule so that udev makes your device along with everything else. but I'm usualy to lazy for that and just add the command I have to issue everytime to one of the bootscripts.

Hi

thanks for your response..


Could you tell me how to do this.

Any example....


Regards
Farrukh

Well here is a good tutorial on udev rules:

http://reactivated.net/writing_udev_rules.html

The bootscripts vary from distro to distro. I haven't used redhat since 4.something (and that was red hat not RHEL or fedora) So I'm a bit out of my element on that. I don't know if it helps but for me on gentoo I always add that crap to:

/etc/conf.d/local.start