I use my eSATA2 combo that my Gigabyte Motherboard GA-MA790FX-DQ6
equips.
It is exactly --- note exactly, as per an internal drive because the
drive PSU power is derived from the internal box PSU, and the drive
support comes from on-board SATA2 controller. However, there are real
issues of "possible short circuiting" or "problematic external drives"
causing system problems unless your careful and remember that the
drive is external (like don't have it dropping off the top of your box
whist your doing backups for example).
Thus it is excellent/easy to use and change over when required.
My udev rules make all drive logical allocations via full drive ID-
ing, so the designated mount point and fs type of the drive (as you
want it to be) may require you to modify the udev/rules to suit
flexibility of different drives.
I don't particularly worry about this as the drive ID is mounted the
particular mount point.
Your milage may vary dependant on the flavour of your distribution and
kernel tools.
Generally, as I only usually use it for development of embedded
systems, and the occasional backup (I change the drive, but I have
additional drive ID data in /etc/fstab just for this reason.
Hope this assist discussions.
Grahame.
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