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Date:      Tue, 18 Jul 2017 22:23:32 +0100
From:      Frank Leonhardt <frank2@fjl.co.uk>
To:        freebsd-questions@freebsd.org
Subject:   Re: Drive labelling with ZFS
Message-ID:  <ed9db1c9-8c74-a358-0779-bbb78a76e178@fjl.co.uk>
In-Reply-To: <771917ae-7e07-95d0-5cee-4bda8578a646@holgerdanske.com>
References:  <03643051-38e8-87ef-64ee-5284e2567cb8@fjl.co.uk> <b99a9f4e-f00d-c6fa-e709-d19e07ccb98e@holgerdanske.com> <7fa67076-3ec8-4c25-67b9-a1b8a0aa5afc@holgerdanske.com> <5940EE63.2080904@fjl.co.uk> <cd863f47-037f-15a6-573d-9d59efff7f43@holgerdanske.com> <ce4e20c0-e9fc-be20-7e88-114bd61f6bdd@fjl.co.uk> <771917ae-7e07-95d0-5cee-4bda8578a646@holgerdanske.com>

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On 08/07/2017 03:21, David Christensen wrote:
>>
>> The most useful thing I can think of is to label the caddies with the
>> GUID (first or last 2-3 digits). If you have only one shelf you should
>> be able to find the one you want quick enough.
>
> As I understand it, ZFS goes by the UUID/GUID.  So, using UUID"s for 
> software and applying matching physical labels to each drive/caddy 
> makes sense.

That's exactly what it does best. This would be the only label for the 
outside that's guaranteed to match the inside. The only PITA is that it 
gets the GUID once it's installed, so you have to put the blank drive 
in, gpart it, print the label and go and find the drive again. Meaning 
there's at least one unlabelled drive on the shelf in the mean time. If 
there were two....





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