I am working on a small project and I have the need to identify the root volume
on a running linux system from inside a script. For the moment I'm in the Red
Hat EL environment but I'm expecting it to develop into a wider application.
I can quickly and easily do a 'blkid' and get a list of block devices attached
and I can identify the actual drives (major number 8) and I can do the usual
check for "/", etc. but I keep feeling that I'm missing some not so fringe
cases where the boot/root volume may not be screamingly obvious.
I am wondering if there's some "proper" tool/utility that I can ask directly
and have the system return the authoritative answer. Of course, finding it in
/proc is reasonable since it's much more likely to be an authoritative answer.
Anyone have any advice or thoughts?
Thanks in advance for any help offered.
--
<< MCT >> Michael C Tiernan.
Is God a performance artist?
http://www.linkedin.com/in/mtiernan
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