Skip to content Hitachi Ultrastar 6TB Enterprise HDD Recovery in Bhilai
Case Overview :
A 7.5-year-old Hitachi Ultrastar 6TB enterprise HDD failed in Bhilai while part of a RAID10 pool serving 5.3TB of SQL backups, CRM datasets, and VM images for offices across Durg Road, Supela, and Nehru Nagar. The drive dropped with clicking during load, degrading the pool. Hitachi Ultrastar 6TB Enterprise HDD Recovery in Bhilai started with parity-aware procedures and No Data No Charge assurance.
- Brand: Hitachi Ultrastar
- Capacity: 6TB
- Data Size: 5.3TB
- Success Rate: 100%
Problem Description
Monitoring showed rising read timeouts; then the disk disappeared during a resync attempt. Continued rebuilds risked stripe misalignment across remaining members. With SQL jobs halted and VMs unstable, teams needed a controlled member clone and virtual assembly to restore services without collateral corruption.
Understanding the Challenge
Enterprise drives under long duty cycles accumulate head and firmware issues. In mirrored/striped pools, unsafe rebuilds propagate inconsistencies. Recovery requires donor head replacement, firmware calibration, sector-consistent imaging with head map tuning, and virtual RAID assembly validating stripe order before any filesystem work.
Data Recovery
Matched donor heads were installed in a clean-room; firmware adaptives recalibrated. Imaging captured healthy areas first and logged marginal bands for adaptive retries. A virtual RAID10 was assembled from the clone and healthy members; integrity checks validated SQL/VM mounts. Extraction prioritized backups and live datasets, ensuring permission-correct exports.
Outcome of Data Retrieval
All 5.3TB restored with clean mounts; SQL backups reopened, VMs booted in test, and CRM datasets validated. Supela and Nehru Nagar teams resumed service quickly. A preventive stance—hot spares, staggered refresh, and SMART alerts—reduced future risk across Bhilai sites.
Conclusion:
RAID interruptions can be reversed safely. Hitachi Ultrastar 6TB Enterprise HDD Recovery in Bhilai proved donor+firmware stabilization and stripe-consistent imaging preserve entire estates without data loss.
Call To Action
If a RAID member fails in Bhilai, Durg Road, or Nehru Nagar, pause rebuilds and call DataCare Labs for enterprise RAID recovery under the No Data No Charge Policy.
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