Corey Coughlin posted on Wed, 06 Jul 2016 23:40:30 -0700 as excerpted:

> Well yeah, if I was mounting all the disks to different mount points, I
> would definitely use UUIDs to get them mounted.  But I haven't seen any
> way to set up a "mkfs.btrfs" command to use UUID or anything else for
> individual drives.  Am I missing something?  I've been doing a lot of
> googling.

FWIW, you can use the /dev/disk/by-*/* symlinks (as normally setup by 
udev) to reference various devices.

Of course because the identifiers behind by-uuid and by-label are per-
filesystem, those will normally only identify the one device of a multi-
device filesystem, but the by-id links ID on device serials and partition 
number, and if you are using GPT partitioning, you have by-partuuid and 
(if you set them when setting up the partitions) by-partlabel as well.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman

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