Three Weeks of Design Work Vanished Overnight
An architecture practice in Singapore’s central business district was three weeks into a high-profile mixed-use development project when their primary network-attached storage (NAS) device stopped responding. The firm relied on a single Synology NAS unit as the central repository for all active CAD files, BIM models, and client correspondence. When the device failed during a routine update, the team found they could not access any project data. With a submission deadline for URA planning approval just 11 days away, the firm faced not only the loss of critical design iterations but also the reputational risk of missing a key milestone. Architects had to manually recreate floor plans and 3D models from printed drafts and fragmented local copies, putting immense strain on delivery timelines and team morale. The incident exposed a dangerous assumption: that saving files to a central drive equated to having a backup.
Local Backups Existed — But No One Knew If They Worked
Upon arrival, we discovered the firm had configured a secondary NAS for replication, but no one had verified its integrity in over six months. The replication logs showed multiple failed sync jobs due to permission errors and disk space exhaustion, but no alerts were enabled. Worse, the backup NAS had been manually powered down during office renovations two months prior and never restarted. The team believed they were protected, but in reality, they had no usable backup. We also found that CAD files were being saved directly to user desktops and local drives in addition to the NAS, creating shadow copies outside the backup scope. Autodesk Revit and AutoCAD project files, which rely on linked dependencies and worksharing logs, were partially corrupted when attempts were made to restore from incomplete snapshots. The root cause wasn’t hardware failure alone — it was the absence of a documented, tested recovery process and the false confidence in unverified systems.
We Implemented a Multi-Tier Recovery Architecture with Automated Verification
We replaced the single point of failure with a fault-tolerant backup strategy built on Veeam Backup & Replication, running on a dedicated HPE ProLiant server hosted on-premises. All active project data now undergoes incremental backups every four hours, with application-aware processing to ensure Revit and AutoCAD files are quiesced before capture. A secondary backup copy is replicated daily to a secure offsite data vault managed by a Tier 3 provider in Tuas, ensuring geographic separation. We replaced the legacy Synology unit with a fault-tolerant NAS from QNAP, configured in RAID 6 with hot spare drives and real-time health monitoring. Crucially, we implemented monthly automated recovery drills using Veeam’s virtual lab feature, where a full project environment is spun up in isolation to validate file integrity and access permissions. All CAD workstations now sync to the NAS via encrypted SMB 3.0 channels, with file versioning enabled to recover from accidental deletions. We also deployed centralized logging with alerts routed to the firm’s project managers and our NOC via Microsoft Teams.
Recovery Time Dropped from Days to Under 30 Minutes
Since implementation, the firm has experienced two minor hardware failures — one involving a workstation with unsaved Revit work and another involving a NAS drive in the array. In both cases, recovery was completed in under 28 minutes using verified restore points. The URA submission was delivered on time, with 72 hours to spare, after we recovered the full project set from a 12-hour-old backup. Independent audit confirmed 100% data integrity across all BIM elements. Over the next eight months, the firm reported zero data loss incidents, and project handovers between teams improved due to reliable access to versioned files. The automated verification process caught three replication anomalies before they impacted operations, allowing proactive intervention. The peace of mind from knowing their data is recoverable has allowed the firm to focus on design innovation rather than operational risk.
Assumptions About Data Safety Are the Most Expensive Ones to Make
Many architecture firms in Singapore operate under the assumption that having a second drive or a replication setup is sufficient for disaster recovery. This case proved otherwise. Without regular, automated validation, backups are just stored data with unknown integrity. For design practices managing large, interdependent files with tight regulatory deadlines, recovery isn’t just about uptime — it’s about trust in the continuity of creative work. The real safeguard isn’t redundancy alone, but the discipline of testing recovery as a routine operational task, not an afterthought.
If your design workflows depend on the integrity of CAD and BIM files, ensure your backup strategy includes automated verification — not just copying data. Learn more about building resilient IT infrastructure for design practices at TYPENT’s architecture IT solutions.