[CLUE-Tech] Multiple file systems on one partition.

[David Anselmi]

gager at mho.com wrote:
> Hello all,
> I am doing some testing with Linux in a SAN environment and happened upon 
> something rather odd to me.
> When the system has LUN mapped disks attached to it I can create multiple 
> filesystems on one partition which I cannot do with Solaris.
> Below is a copy of my fstab so you see what I mean.
> Is this practiced in production Linux environments or do most folks stick with 
> the "one partition-one filesystem" scheme?

Looks like you're just mounting the same partition in different places, 
unless there's some SAN magic that makes /dev/sdb1 mean different things 
based on mount point.

[...]
> /dev/sdb1               /sharkvol1              ext2    defaults        1 1
> /dev/sdb1               /sharkvol4		ext2	defaults	1 1
> /dev/sdb1		/sharkvol7		ext2	defaults	1 1	
> /dev/sdb1		/sharkvol10		ext2	defaults	1 1

Do you see the same files when you lookin in /sharkvol{1,4,7,10}?

Dave