Forum outage 8/12/17

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xantia_v6
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Forum outage 8/12/17

Post by xantia_v6 » 08 Dec 2017, 19:23

We apologise for the unscheduled downtime.

The issue was (from our perspective) caused by a lock-up in the hypervisor system which manages this server. This piece of software is run by the hosting company and is outside of our control.

Unfortunately the lock-up occurred while a database write operation was being processed on our server and after the system was rebooted by the hosting company our site did not start because it detected a database corruption. I have now manually restarted our database, and it appears to be working correctly.

If you notice any odd behaviour on the site, or anything that looks like data corruption, please report it.

Note that this hypervisor has been causing us intermittent speed problems for a few weeks now, and we were already planning to migrate to a different type of server node before the end of the year.
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Re: Forum outage 8/12/17

Post by Hell Razor5543 » 08 Dec 2017, 19:35

Yay! I was suffering from withdrawal symptoms. Now I feel better.
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Re: Forum outage 8/12/17

Post by Paul-R » 08 Dec 2017, 19:56

Welcome back. A page starting

General Error
SQL ERROR [ mysqli ]
Connection refused [2002]
BACKTRACE

was not a suitable substitute!
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Re: Forum outage 8/12/17

Post by white exec » 09 Dec 2017, 08:34

Thanks, Mike, for keeping on top of this. That was quite some outage.
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xantia_v6
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Re: Forum outage 8/12/17

Post by xantia_v6 » 09 Dec 2017, 08:59

The timing was unfortunate, as it coincided with my bed-time.

In this case it would probably not have helped to have someone else with server access, as the procedure for correcting a corrupt database journal is a bit technical, and I only knew how to do it because the same thing happened earlier in the year.

LS say that the new KVM hardware should be tested and ready at the beginning of 2018.
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