> The device mapper is trying to tickle each block device. /dev/hdc is > your IDE CD-ROM drive, and the device mapper is checking it. Since it > is empty, you get the warning. It's not an issue, you can safely ignore > it. > If you are dead-set on not seeing that error, edit /etc/lvm/lvm.conf and > filter /dev/hdc. There is an example line in the conf file you can use. > Please read the comments, you will note that only one filter line is > allowed. > You might play with something like: > # Exclude the cdrom drive > filter = [ "r|/dev/hdc|" ] > Thomas OK, thanks Thomas Andrea