Changes

'''''The below email was a post-mortem of a Campus North power outage at 01:42am, Sunday, 1st December 2013. Assistant Head of Computing Anthony Williams and Live-Next-To-The-Station-Man Lloyd Wallis were on site to respond. This is how it went.'''''

'''''The below email was a post-mortem of a Campus North power outage at 01:42am, Sunday, 1st December 2013. Assistant Head of Computing Anthony Williams and Live-Next-To-The-Station-Man Lloyd Wallis were on site to respond. This is how it went.'''''

Hey everyone,

Hey everyone,

== Changes Made ==

== Changes Made ==

* The monitor in the server cupboard has been moved from mains power to UPS power - this is needed to power off the loggers gracefully as they have AT power supplies. The next cable tidyup in that rack should remove the excess mains cable.

The monitor in the server cupboard has been moved from mains power to UPS power - this is needed to power off the loggers gracefully as they have AT power supplies. The next cable tidyup in that rack should remove the excess mains cable.

* uryfs1 will now detect missing backup mounts and attempt to restore them.

uryfs1 will now detect missing backup mounts and attempt to restore them.

* Remove the need to enter console passwords on boot for ury and uryfs1

Remove the need to enter console passwords on boot for ury and uryfs1

** Decrypt the SSL certificates and review permissions on their storage directory

Decrypt the SSL certificates and review permissions on their storage directory

== Changes to be Made ==

== Changes to be Made ==

* Investigate Stores Distribution Board upgrade

* Investigate Stores Distribution Board upgrade

** Re-raise the issue with Estates and YUSU

Re-raise the issue with Estates and YUSU

* Prevent uryfs1 and other servers from backing up if the mount fails to be brought up

Prevent uryfs1 and other servers from backing up if the mount fails to be brought up

** Anyone want to practice their bash-fu?

Anyone want to practice their bash-fu?

* Ensure urybackup0 mounts /pool0 and /pool1 on boot

Ensure urybackup0 mounts /pool0 and /pool1 on boot

** Currently need to run zfs mount pool0 && zfs mount pool1

Currently need to run zfs mount pool0 && zfs mount pool1

* Ensure uryfs1 mounts /music on boot

Ensure uryfs1 mounts /music on boot

** Server seems to get its filesystem types confused

Server seems to get its filesystem types confused

* Remember to power uryfw0 up first

Remember to power uryfw0 up first

** Much spinning waiting on NTP etc otherwise (partly not our fault)

Much spinning waiting on NTP etc otherwise (partly not our fault)

* Add checking backup mounts, uryrrod to our standard boot procedure, plus generally update the document

Add checking backup mounts, uryrrod to our standard boot procedure, plus generally update the document

** https://docs.google.com/document/d/12gdrkNWPqC0hc0sJ1ETqM9TXCwmQy3ZBma1anc8ZO7M/edit

https://docs.google.com/document/d/12gdrkNWPqC0hc0sJ1ETqM9TXCwmQy3ZBma1anc8ZO7M/edit

* Review policy for communication on social media during a failure

Review policy for communication on social media during a failure

** Should named Technical persons have access for these scenarios?

Should named Technical persons have access for these scenarios?

* Review policy for calling named persons at 2am (this kind of thing normally happens during the day)

Review policy for calling named persons at 2am (this kind of thing normally happens during the day)

** Would Al have rather been woken up than not know?

Would Al have rather been woken up than not know?

* Improve documentation on Outside Broadcast systems and standard contingency plans if 802.1x is unavailable on the campus network

Improve documentation on Outside Broadcast systems and standard contingency plans if 802.1x is unavailable on the campus network

** Known non-NAS/opfa ports, IP addresses available to us

Known non-NAS/opfa ports, IP addresses available to us

** Give engineering the learnings of ‘how to tell what a port is’?

Give engineering the learnings of ‘how to tell what a port is’?

** We should generally have a how-to guide for the freshers

We should generally have a how-to guide for the freshers

* Review whether the stores distribution board should be touched (I mean, look at it)

Review whether the stores distribution board should be touched (I mean, look at it)

** Talk to Estates/Health and Safety? Last time I did I got a “What the f***” from the electrician

Talk to Estates/Health and Safety? Last time I did I got a “What the f***” from the electrician

* Investigate automatic shutdown options?

Investigate automatic shutdown options?

** We now know the switch/jukebox UPS lasts a good length of time so the limiting factor of very short comms runtime (~90s) last time this was considered is no longer a problem.

We now know the switch/jukebox UPS lasts a good length of time so the limiting factor of very short comms runtime (~90s) last time this was considered is no longer a problem.

Hopefully this’ll be of some use in the future.

Hopefully this’ll be of some use in the future.

Lloyd & Anthony

Lloyd & Anthony

Were-there-when-it-happened Officers

Were-there-when-it-happened Officers

[[Category:Incident Reports]]

[[Category:Incident Reports]]