No it doesn't, It says that RAID is not used in TMCS. The disks are mirrored which is quite different
Really?
Lessons Learned from Dec 7
• Failure of Technical Monitoring & Control System (TMCS) – part of
Communications System (VCS) for Area Control at Swanwick
• VCS allows direct access comms between sectors, airports & adjacent
centres & is automatically configured for the sector configuration.
• File corruption occurred on the primary server which then transferred to the
hot standby as they were linked via RAID*.
• Server was replaced but the software fault then transferred to the spare
and also:
Wiki RAID
RAID 1 consists of mirroring