On 2022-01-21 12:10, Steve Litt via PLUG-discuss wrote:
> der.hans via PLUG-discuss said on Fri, 21 Jan 2022 00:47:42 +0000 (UTC)
>
>>
>> RAID is to avoid the drive loss pain altogether :). I probably won't
>> do
>> it, though. I might get another drive to have a cold spare. The spare
>> can be smaller as I don't need everything on it in a pinch.
>
> I've never understood the attraction for RAID by anybody who doesn't
> have contracts with a 99.9%+ uptime provision. If you avoid Seagate
> drives, your drive will probably last more than 3 years, about the time
> it takes for your computer to obsolete.
You must be talking production web servers or something like that.
Everything I have is at least 5 years old and I am not thinking of
replacing any of it. I have an SSD drive that is probably over 5 years
old on a box that might be 7 or 8 years old that was converted from
Linux to Windows probably over 5 years ago for business reasons. I'm
planning on returning this box to Linux with no end point in mind.
I had an interesting conversation with a clerk at Staples the other day.
He told me he is running Linux on an very old laptop - something like
10 years or more... And it is faster than the new equipment he works on
at Staples.
And there is a guy who is on this list that collects old laptops and
only runs Linux.
I am thinking of end of life for an old duo.... it is probably 15 years
old. Would serve someone well running Linux. About 6 years ago I was
using it as a home web server for a short period of time. I am only
thinking of letting it go because I have too much hardware.
>
> If my drive goes south, I can grab another drive, install a minimal GUI
> Void Linux, restore my *data* from backup, and pretty much be on my
> way.
>
> Except...
>
> You've reminded me that my backup procedures must include output from
> the packager command listing the packages that were manually installed,
> so that I can quickly reinstall everything necessary to duplicate my
> old system. I already back up /etc/fstab and the output of the mount
> command.
>
> RAID has the following disadvantages:
>
> * Cost is a multiple of a single drive
> * Rebuilding requires one more layer to go through
> * More disks mean more opportunity to write over one of them
> * Hardware RAID might mean that if the RAID controller fails and you
> can't get identical hardware, you've lost all your data.
>
> I'm a big fan of ext4. It just works !
>
> SteveT
>
> Steve Litt
> Spring 2021 featured book: Troubleshooting Techniques of the Successful
> Technologist http://www.troubleshooters.com/techniques
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