John Shen wrote: > james, thank you so much for your help. indeed, the problem is that > /etc/blkid/blkid.tab still has the old ext3 entry. > > i changed TYPE to xfs and updated the uuid for /dev/sdb, and now it > mounts fine with UUID. since i prefer UUID anyway, i did not test > label, but assume it was the same issue. > > yes, we do use the entire device, which never had problems with other > fs types, which mount seem to update blkid.tab automatically. still > not sure why it did not do so for xfs, but as long as it works, i am > happy. You get the same issue with ext3 - if an entry doesn't exist in /etc/blkid/blkid.tab, then mount by LABEL/UUID will not work for file systems on the whole disk - unless you first mount the file system by device to create the blkid.tab entry James Pearson