DNS server issues - resolved
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One of our ResNet DNS servers has developed a disk fault.
The majority of ResNet users will not be effected, as our other DNS server is ticking along nicely - however some users will notice that web usage feels a little unresponsive as their computer tries the dead server before failing over to the live one.
We swapped out the disk this morning at about 10am, in what should have been a transparent procedure with no expected downtime. Things don't appear to have gone to plan, and the service is taking longer than expected to restore (as we've had to take the server offline while it re-synchronises its disks)
I'll update this post when we're back in business.
Update: 12:31
The disks are still syncing - but thanks to some fancy footwork, we've managed to move the DNS service over on to a backup machine, so we've got two DNS servers again.
Update: Friday 24th Oct - 11:09
Normal service has been resumed - thanks to a significant amount of mucking about with disks, a long and tedious synchronisation process, and an issue with the disk controller drivers. I do have some more minor work to do to this server to tidy things up - but it's currently stable so I'll leave it alone for the weekend.