sorry for the confusion, i did use the uppercase in fstab. # neither of the following works # UUID=2560a02a-239b-4ac5-affe-cf71f8e87150 /var/lib/mysql xfs noatime 0 0 #LABEL=/mysql2 /var/lib/mysql xfs noatime 0 0 # only this works /dev/sdb /var/lib/mysql xfs noatime 0 0 cn=John Shen,title=Sys. Admin.,ou=Operations,dc=StumbleUpon,dc=com ----- Original Message ----- John Shen wrote: > kernel 2.6.18-92.1.10.el5.centos.plus > kmod-xfs-0.4-1.2.6.18_92.1.10.el5.centos.plus > xfsdump-2.2.46-1.el5.centos > xfsprogs-2.9.4-1.el5.centos > > the kernel comes back with device not found when i tried label= and uuid=, after changing the fs from ext3 to xfs. with ext3 all 3 works fine, but with xfs only the device name is accepted. any advice is appreciated. I think you need to use uppercase for LABEL= and UUID= James Pearson