[CentOS] question about mounting external USB HD

Thu Oct 29 05:06:13 UTC 2009
John R Pierce <pierce at hogranch.com>

Ivan Arteaga wrote:
> Hello,
>
> I have a server running CentOS 4.7 and I want to add a new USB-HD for 
> backup some data. I made the file system as ext3 with the command:
> /
> mkfs -t ext3 /dev/sdb1/
>
> After that I did add a new Volume Group and Logical Volume 
> (/VolGrup01-LogVol01) /on that file system and mounted it as /backup. It 
> worked fine but when I did reboot the server It wont mount /backup and I 
> got the following error even after the system boots and I try to mount 
> it manually:
>
> /mount: special device /dev/VolGrup01/LogVol01 does not exist/
>
> I will appreciate any comment or suggestion about the best way to get 
> through this.
>   

I would *NOT* use LVM on a removable external drive.

if you did a mkfs /dev/sdb1, you should

    # mount /dev/sdb1 /backup

and skip LVM entirely.