From: Brian Candler <lists@...>
Date: 2012-09-03T16:51:04+09:00
Subject: Re: Ruby module to get df -h output

Peter Hickman wrote in post #1074298:
> So as far as my system is concerned /dev/disk3s1 only exists when it
> is mounted.

While the drive is inserted, type "umount /dev/disk3s1" and you will be 
in a position where the disk exists but is not mounted. Ejecting via a 
GUI filemanager is probably the same.

> But the the OP didn't
> want to know if "/var/www/html" was mounted (or that the mount point
> existed) just that "/dev/cciss/c0d1p1" was mounted, the example that
> the OP gives would be true if "/dev/cciss/c0d1p1" was mounted to *any*
> mount point not just "/var/www/html".

Correct - which you can't tell by looking at whether /dev/cciss/c0d1p1 
exists.

But as you say, only the OP knows what solution they actually need.

Regards,

Brian.

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