TWS Enterprise Erase Array Training
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The document provides instructions for erasing drives from enterprise storage arrays. It outlines a 14-step process for verifying units, powering on equipment, detecting and selecting drives, performing the erasure, verifying completion, and reporting. It also describes how to handle any failed drives, including labeling them and logging details. Processing times vary from 3 to 6.4 hours depending on the drive type and size.
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TWS Enterprise Erase Array Training
- 2. Enterprise Array Erasure • EMC • Network Appliance • Total Storage System • Compellent Storage • Power Vault
- 3. Tools • 2U Unit Server Chassis fitted with appropriate controller cards • Monitor, Keyboard and Mouse • Technician Cart • Cable Management Straps • Failed Drive Labels
- 4. 1. Process Verify with POC that all units to be wiped have been disconnected from the network. 2. Perform a physical count of total drives in unit using architecture map 3. Power on Techway 2U unit 4. Connect cabling to unit to be wiped 5. Power on unit to be wiped 6. Allow drives to load (approx. 1 sec per drive) by using terminal view 7. Connect cabling to Techway 2U Unit from system to be wiped 8. Open Tabernus EE Array Application 9. Verify all drives have been detected 10. Select all drives and add unit asset serial number 11. Select all drives and begin erasure 12. After completion of wiping process view log csv file and verify the physical count to the recorded count of drives wiped. 13. Pull ALL failed drives from unit and attached failed drive sticker, log drive on Pulled Failed Drive Reporting Form and give to site POC 14. Only after 100% match of the physical count to the record count has been verified, then continue to the next batch and repeat steps 3 -13 until complete 15. After unit completion contact TWS Project Manager with update 16. Fill out TWS Daily Project Summary Form 17. Email the following to TWS Project Manager daily : • Signed TWS Daily Project Summary Form • All log files from server • Architecture Map • Pulled Failed Drive Reporting Form • Onsite Acknowledgment Form (After Project Completion)
- 5. Disk Failure In case of drive failure, a sticker will be attached to the failed drive with the following information: 1. Identify failed drive 2. Affix completed label to top of hard drive 3. Give to site POC Expected failure rate of 1-3% on enterprise level drives
- 6. Processing Time There are three determining factors in project processing expectation: 1. Type of drive ( Fiber Channel, SAS, PATA,SATA) 2. Type of Device Cabling ( 1-3 GB) 3. Time allotted in facility Drive Type Drive Size in GB MB per Second Erase Hours (3x erase) SAS 300 85 3.00 FC 300 75 3.40 SCSI 300 70 3.70 SATA 300 50 5.10 IDE / PATA 300 40 6.40
- 9. THANK YOU!