The on-site Spectrum Protect backup service also has limits on number of file versions retained and for how long and practical limits on the amount of data that can be backed up. This will vary a little depending on the structure of the data, but we are advised that beyond 5TB of data and/or several million files, the client software will begin to become unusable. While the licencing puts no limit on amount of data backed up by these devices there is a practical limit to how much can be backed up by any one machine. CrashPlan is licensed on a per-user basis, is not allowed (by licence) on server operating systems, and has a fair usage assumption that each user can backup a maximum of four separate devices (machines) under their name account. Are there any limits to use of the services? We would expect machines backing up to the on-site Spectrum Protect service to be attached to the University network but this does not apply to the CrashPlan cloud backup. What do I need to use the service?Ī university SSO (with the required University card status), a computer running a supported version of Windows, macOS or Linux/Unix and a network connection. For details see University card and IT services entitlements. Access is determined by University card status. Oxford University staff, senior members and postgraduates (but not undergraduates) can use both services. More details on this service are available on the HFS Spectrum Protect backup service introduction page. Backup using Spectrum Protect is restricted to IP addresses on the University network. Versioning is currently limited to seven versions of any one file at any time with older versions retained for 90 days (the most recent backup version is retained for as long as it exists on the machine) and thereby offers a reasonable point-in-time recovery of data. Your data is held on disk and is accessible for restore even if the primary server is unavailable. With this service, your backups go to a primary server in one location, and are then replicated to a 'replica' server at a separate location shortly after, (normally within a day). Where CrashPlan is not suitable, for example file servers, application servers, virtual infrastructures, multi user systems, and other server-like machines, the HFS offers an on-site backup service using the IBM Spectrum Protect software. More information is available on the HFS CrashPlan Cloud backup service introductory page. CrashPlan can back up from anywhere with an Internet connection. ![]() Multiple versions of your backups are kept and these are easily restored back to the original machine or another machine you have registered with the service. It offers frequent (by default every 15 minutes) automated backups in the background for user-selected data. You can choose which is most suitable for your purpose.ĬrashPlan (formerly known as Code42) is a cloud-based backup product that is primarily designed for single-user workstations and laptops containing a modest amount of data. ![]() They have different features and benefits. The HFS backup service provides two separate ways of backing up data on desktop machines, laptops, shared workstations and servers.
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