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Date:      Mon, 18 Nov 2013 14:55:44 -0800
From:      aurfalien <aurfalien@gmail.com>
To:        Polytropon <freebsd@edvax.de>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: drive blink on demand?
Message-ID:  <05DB1D7A-BF86-4EF0-8EC8-AF6F344557D7@gmail.com>
In-Reply-To: <20131118235239.8949768e.freebsd@edvax.de>
References:  <959063E8-FD7A-43C1-B0D7-B241F487E4BD@gmail.com> <20131118235239.8949768e.freebsd@edvax.de>

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On Nov 18, 2013, at 2:52 PM, Polytropon wrote:

> On Mon, 18 Nov 2013 14:09:25 -0800, aurfalien wrote:
>> Hi,
>>=20
>> I've 42 disks across 4 JBODs using LSI HBAs.
>>=20
>> I've been doing dd if=3D/dev/disk... of=3D/dev/null and watching
>> what rapidly blinks to identify drives.
>>=20
>> However is there a better or at least non janky way to do this?
>=20
> I've been using a very stupid way:
>=20
> Usually disks are located in trays. Give each tray a number
> or a letter and a color, depending on if you're organizing
> them in RAID configurations, such as stripes and mirrors.
> Apply labels to the disks according to their code and
> function, e. g. red1, red2, red3, blue1, blue2, blue3;
> for a striped mirror (or mirrored stripe similarly) with
> spare disks: green1a, green2a, green3a, blue1a, blue2b,
> blue2b, blue3b (the disks) and red1, red2, red3 (spares).
> This makes it easy to identify disks per location. So
> whenever the disk labeled yellow4a causes trouble, you
> immediately know where to apply a hammer. :-)
>=20
> Maybe this is an inspiration for a solution, in worst case
> as a "how not to do it" if it abolutely fails to meet your
> requirements. :-)

Thanks dude, was thinking of this as well.

I was messing with the LSI sas2ircu tools.  Seems aight, sorta =
convoluted until I get the hang of it of course..

- aurf=



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