From: "Chris Adams" <linux@xxxxxxxxxxx>
Date: Friday, 3 March 2023 at 00:09:48
To: "users@xxxxxxxxxxxxxxxxxxxxxxx" <users@xxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: software or hardware raid?
Once upon a time, George N. White III <gnwiii@xxxxxxxxx> said:
> Some data can be replaced, but there are also real-time data flows
> where data are lost forever when the system does down. I recall a
> lost-of-data incident where the system was on UPS+ generator but
> IT hadn't received the replacement for a failed UPS battery in the
> network closet.
Lots of the time, UPSes and generators are not actively monitored and
tested. An untested backup system is not a backup system, it's just
another point of failure! I have seen failures of big UPSes,
generators, transfer switches... you name it, even if it is "redundant",
it can (and will) still fail.
--
Chris Adams <linux@xxxxxxxxxxx>
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Relying on untested and unmonitored infra is a recipe for disaster. Also, check if you can use the backup: try a restore…
A customer once used the same media for a backup needing several media… 🫢😂
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