HP D2D .HP D2D Backup System user guide (EH985-90907, March 2011) - Page 174

Replacing the disks (HP D2D4300/4100 Series), of

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Replacing the disks (HP D2D4300/4100 Series) If more than two disks fail and the online spare disk has been used on the HP D2D4300/4100 Series, you will lose all data on the HP StoreOnce Backup System and the message on the Summary page warns that the RAID system has failed catastrophically. The RAID is not recoverable. Figure 50 Status showing multiple disk failure on one shelf (HP D2D4300/4100 Series) . The device operating system is not stored on any of the disks, so the HP D2D Backup System is still usable after replacing the failed disks. Use the Beacon function on the Storage-Shelves page of the Web Management Interface or the System Console to help you identify the disks that have failed. 174 Hard disk replacement

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Replacing the disks (HP D2D4300/4100 Series)
If more than two disks fail and the online spare disk has been used on the HP D2D4300/4100 Series,
you will lose all data on the HP StoreOnce Backup System and the message on the Summary page
warns that the RAID system has failed catastrophically. The RAID is not recoverable.
Figure 50 Status showing multiple disk failure on one shelf (HP D2D4300/4100 Series)
.
The device operating system is not stored on any of the disks, so the HP D2D Backup System is still
usable after replacing the failed disks. Use the Beacon function on the
Storage-Shelves
page of the
Web Management Interface or the System Console to help you identify the disks that have failed.
Hard disk replacement
174