SAN Firmware Upgrade

Planned in advance; Complete

Overview

Affected services
  • Core Application Storage
At Risk Time
05:00 PM, 20-Jul-20 — 11:00 PM, 20-Jul-20
At Risk Time
05:00 PM, 21-Jul-20 — 11:00 PM, 21-Jul-20
Description
The SAN Storage Platform will be at risk between 05:00 PM — 11:00 PM, Monday 20th July 2020. It will then be so again between 05:00 PM — 11:00 PM, Tuesday 21st July 2020. This will affect all services using Central SAN Storage, including all services on IS Virtual Hosting.

Technical Information

Technical Information

Work summary
The SAN Storage Platform firmware will be upgraded to the latest stable release. The at-risk on the 20th relates to storage hosted at Appleton Tower, and that on the 21st to storage at JCMB. End times are approximate, based on previous experience.
Technical summary
SAN Firmware Upgrade
Affecting
All services using Central SAN Storage, including all services on IS Virtual Hosting
Servers / Hardware
Criticality
medium
Expected impact
None (but see separate alert regarding staffmail service). However, all services will be considered at risk while the upgrade is in progress, owing to the fact that normal operational redundancy cannot be maintained while individual components are in the process of being updated.
Change Reference
C2007-029
Additional comments

Request, Authorise and Publish

Requested by Andy Garman on 07-Jul-2020
Authorised by Unix Systems
Publish to IS Website (Service Status and Alerts page): Yes
Published by Lawrence Mercer


Additional Details

Risk classification
medium
Risk assessment
Well versed change, completed many times without issue. But the blast radius is high if events occur on the centralised storage platform
Other people involved
DellEMC CoPilot
Notes for future reference