[clug] Fwd: Re: remote power cycling many machines
Robert Edwards
bob at cs.anu.edu.au
Sat Apr 4 22:18:22 UTC 2020
(re-posting - sorry forgot to include list...)
-------- Forwarded Message --------
Subject: Re: [clug] remote power cycling many machines
Date: Sun, 5 Apr 2020 07:27:16 +1000
From: Robert Edwards <bob at cs.anu.edu.au>
To: David C <cottrill.david at gmail.com>
On 4/4/20 8:27 pm, David C wrote:
> Hi Bob,
> For now:
> Set up automation (eg: Ansible) to ping at layer 7, then morph into
> control as it all comes together. Works with literally everything if you
> do it right.
>
> For later:
> Ethernet controlled powerboard. APC are hard to beat (I tried).
>
> David
>
Thanks David.
We use Saltstack on servers we manage, but most of these machines in
offices are "self-managed" and I can't install anything on them, not
that it would help if they froze...
We have some APC kit in our machine rooms (sorry, I mean data centres).
I could make a case for purchasing a whole lot more...
cheers,
Bob Edwards.
>
> On Sat, 4 Apr 2020, 8:17 pm Robert Edwards via linux,
> <linux at lists.samba.org <mailto:linux at lists.samba.org>> wrote:
>
> Hi all,
>
> Hope you are all keeping safe and healthy.
>
> During these strange times, I find myself responsible for a larger
> than expected cohort of random machines spread across multiple
> buildings in various peoples offices, which they are no longer
> permitted physical access to.
>
> These machines have been left running but seem to randomly need to
> be power cycled for various reasons - some are running 'doze and
> others, running Linux, seem to get randomly shutdown by various
> remote users for whatever reason.
>
> Many of the servers in machine rooms that I am responsible for
> have various forms of Lights Out Management (LOM), such as iDRAC
> or BMC etc., so can be remotely managed, as required (generally
> don't need it, though).
>
> So, for this vast array of random machines in offices, I have been
> researching various generic options for LOM and/or remote power
> control.
>
> There used to be some PCI cards that could do much of this (eg.
> https://www.startech.com/support/SV1110IPPCI) but seem to be largely
> discontinued. These days Remote KVM over IP seems to be the
> preferred option, but generally has no provision for power
> control/cycling.
>
> There are instructions on the web to set up, eg., a RaspPi to do
> this, but making up 20 or more seems like a big job (eg.
> https://github.com/Fmstrat/diy-ipmi).
>
> I could go for "smart" power-boards, but need a wired way to
> control them (I don't want to rely on WiFi or other wireless
> technologies).
>
> What have others tried/can recommend?
>
> cheers,
> Bob Edwards
>
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