Backup And Redundancy Options

Standard – Raid 6 disks and daily offsite backup. As part of the service we keep hot-standby equipment ready in the datacentre to be used in the event of a major failure of any server. This means that if, for example, your server were to suffer a major hardware failure we would be able to swap the disks into a spare chassis and have the server up an running again very rapidly and with minimal disruption. In addition to that, all our servers are equipped with RAID 6 or higher, which means that in the event of a hard disk failure (the most common component to fail) your server will just keep running, and our technicians will replace the disk. Raid 6 handles 2 concurrent disk failures, so it’s robust. Backup: data is encrypted daily and backed up off site. So if the primary data centre was to be destroyed, we could rebuild your servers in a new data centre. Extreme event protection – redundant server, redundant data centre Our warm spare service adds a redundant server, in a secondary data centre. In the event of failure, we switch DNS to point to the redundant server, users logins will work as normal. Here’s some scenarios with both options: Scenario Impact on server Any data loss? Up to 2 drives fail no impact, reboot scheduled with you no Core component failure < 2 hours downtime no Data centre destroyed (whilst almost unheard off, data centres have been known to be temporarily knocked out by fire/earthquake. Unusual in Reading, where we host) 2-3 days downtime whilst new server built Will lose anything uploaded since last daily backup – so worst case up to 24 hours worth of uploads. Extreme event protection #

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