Engineering’s main central fileserver infrastructure, known as CUED-FS, has reached end of life and end of support and ICS have now commenced a decommissioning project to remove or migrate data elsewhere with the aim of completion in the summer of 2022. The information below lays out the various strands of migration and decommissioning work that are now in progress.
User Home Directories
By default these will be migrated to the UIS Institutional File Store (IFS) where 50GB of personal quota is available for each user. If more than 50GB is required then one of the cloud storage options that are made available to the wider University should be utilised instead. (A comparison table showing storage options can be found here: https://help.eng.cam.ac.uk/file-storage-and-sharing/storage-comparison-table/ .) Users with more than 50GB of files on CUED-FS will be identified and contacted to assess options for migration.
As part of the migration, home directory network drives and redirects will be changed on Windows machines in the AD domain (this includes Teaching System and many recent desktop machines). The drive letter will change from the current of Z: on CUED-FS to U: on IFS. Apart from the change of drive letter, the migration should be seamless for users of those machines.
Depending on the volume and nature of the storage needs, these will again be migrated to IFS by default. Each Division has been allocated an initial free 1TB allowance as part of the Department-wide allocation. If more than 1TB is required then additional storage can be purchased and added to the free allocation. Research groups that have a requirement for large amounts of storage will be encouraged to review the various University storage options available, including either the Research Computing Services data storage options or a dedicated IFS allocation.
Linux Teaching System File Serving
Historically both Linux (NFS) and Windows (CIFS) file storage has been provided on CUED-FS, with the same data accessible from both Linux and Windows clients (known as ‘mixed mode’ shares). This ‘mixed mode’ access to Teaching System data will not be available in the future, and teaching system Linux file serving will be provided via separate, replicated infrastructure. Work is currently underway provisioning this service and defining a migration plan.
Personal Web Pages
In addition to more general file storage provision, many longer-standing users have access to file space hosted on CUED-FS that is then made available via the web in the form of personal web pages, with a URL starting with http://www2.eng.cam.ac.uk/~ or http://www3.eng.cam.ac.uk/~ . This facility will be removed and any users making use of the service will be identified and migrated to another service. In many cases hosting the information on one of the University’s cloud storage options will be the preferred option, in particular where file sharing is required. There have been recent incidents where information provided by this facility has been unintentionally exposed more widely outside the Department posing a security risk.
Windows Roaming Profiles
The role of roaming profiles for Windows users is now significantly reduced and the use of local profiles in conjunction with folder redirects is the preferred approach for single/limited-user Windows clients. The general view is that roaming profiles should be avoided wherever possible. We are aware that for managed multi-user Windows clients, and specifically those used for teaching, roaming profiles are likely to still be required. We are exploring options to address this need, including identifying applications making use of data stored in roaming profiles that would be impacted by roaming profile removal. The expectation is that roaming profiles for teaching activity will be retained in the short term but not hosted on CUED-FS. Existing roaming profiles on CUED-FS will not be migrated onto any new system.
Useful Storage References
- File Storage and Sharing: https://help.eng.cam.ac.uk/file-storage-and-sharing/
- UIS Data Storage: https://help.uis.cam.ac.uk/individual-storage
- Institutional File Storage: https://help.uis.cam.ac.uk/ifs
- Research Computing Services Data Storage: https://www.hpc.cam.ac.uk/research-data-storage-services
If you have questions about specific aspects of the project please direct these to email@example.com in the first instance.