Hitachi Ultrastar 10TB Enterprise HDD Recovery in Nanded, India
Case Overview :
A 6-year-old Hitachi Ultrastar 10TB enterprise HDD failed in Nanded as part of a RAID10 pool supporting 8.9TB of SQL backups, CRM stores, and VM images used across Shankar Nagar, Vazirabad, and Harsh Nagar. The member dropped with clicking during load, degrading the pool and stalling services. Hitachi Ultrastar 10TB Enterprise HDD Recovery in Nanded started with parity-aware procedures and No Data No Charge intake.
- Brand: Hitachi Ultrastar
- Capacity: 10TB
- Data Size: 8.9TB
- Success Rate: 100%
Problem Description
Monitoring showed escalating read timeouts; resync attempts failed as the disk disappeared. Continued rebuild risks included stripe misalignment across remaining members. With SQL jobs halted and virtual machines unstable, a controlled member clone and virtual assembly were required to restore operations without collateral corruption.
Understanding the Challenge
Enterprise drives under sustained duty cycles develop head and firmware issues that destabilize arrays. Recovery demands donor head replacement, firmware calibration, and sector-consistent imaging with head map tuning, followed by virtual RAID assembly that validates stripe order before any filesystem actions—preserving ACLs and timestamps.
Data Recovery
Matched donor heads were installed under clean-room; firmware adaptives recalibrated. Imaging cloned healthy bands first, logging marginal tracks for adaptive retries. A virtual RAID10 was built from the clone and surviving members; integrity checks validated SQL/VM mounts. Extraction prioritized backups and active datasets to ensure permission-correct exports.
Outcome of Data Retrieval
All 8.9TB restored with clean mounts; SQL backups opened, VMs booted in test, and CRM stores validated. Teams in Vazirabad and Shankar Nagar resumed services quickly. A fortified posture—hot spares, staggered refresh cycles, predictive SMART, and vibration/thermal controls—reduced recurrence risk across Nanded operations.
Conclusion:
RAID interruptions can be reversed safely. Hitachi Ultrastar 10TB Enterprise HDD Recovery in Nanded proved donor+firmware stabilization and stripe-consistent imaging preserve entire estates without data loss.
Call To Action
If a RAID member fails in Nanded (Shankar Nagar, Vazirabad), pause rebuilds and call DataCare Labs for enterprise RAID recovery under the No Data No Charge Policy.
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