[CentOS] /dev/sda

Tue Dec 6 20:24:37 UTC 2011
m.roth at 5-cent.us <m.roth at 5-cent.us>

Lamar Owen wrote:
> On Tuesday, December 06, 2011 03:09:42 PM Lamar Owen wrote:
>> I've seen that happen before.  It was a tad disconcerting at first, but,
>> yes, in the case I saw it a reboot made it back to sda.
> Oh, and /dev/sda is not necessarily the BIOS boot device, by the way.  For
> instance, on my upstream EL 6.1 box:
> [root at www ~]# mount|grep boot
> /dev/sdag1 on /boot type ext4 (rw)
> [root at www ~]#
> That is not constant; I have seen it at /dev/sda1, and I have seen it
> everywhere in between.
> It will be interesting to see if 6.2 has deterministic behavior in device
> names.

Yeah, over the years, RH has been non-determistic (thinking of ethx). I
don't see why it shouldn't deterministically iterate over the channels,
which would make sda, sdb, etc, the same every time.