[3dem] RAID question for K2/K3 users
Marin van Heel
marin.vanheel at gmail.com
Thu Feb 29 15:12:20 PST 2024
Dear David
The reason for a RAID-0 rather a RAID-5 is undoubtedly the higher I/O speed
and not primarily a matter of company policy...
Cheers
Marin
On Thu, 29 Feb 2024, 20:00 Morgan, David Gene, <dagmorga at indiana.edu> wrote:
> Hi,
>
> We had an issue with a disk in the RAID array on our K3 last week. It
> fortunately turned out to be a non-fatal error, but it did make me realize
> that this is a RAID0 array and that a real disk error could result in
> troublesome loss of data.
>
> I asked a Gatan engineer who is here installing a system on a new
> microscope about switching to RAID5 or RAID6. His comment was that company
> policy is RAID0 only, but that he didn't see any reason other than a loss
> in write speed that could result from switching RAID type.
>
> Has anyone changed the RAID on a Gatan computer to something else, and if
> so, have you had any issues?
>
> Thanks in advance.
> --
> politics is more difficult than physics.
> A. Einstein
>
> David Gene Morgan
> Electron Microscopy Center
> 047E Simon Hall
> IU Bloomington
> 812 856 1457 (office)
> 812 856 3221 (3200)
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