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Standard required time*RAID levelRotation per minute

35 minutes6D+2PRAID 6

20 minutes14D+2P

110 minutes2D+2DRAID 110 Krpm

70 minutes3D+1PRAID 5

35 minutes7D+1P

35 minutes6D+2PRAID 6

20 minutes14D+2P

185 minutes2D+2DRAID 17.2Krpm

120 minutes3D+1PRAID 5

50 minutes7D+1P

65 minutes6D+2PRAID 6

25 minutes14D+2P

*Data drive capacity is assumed to be 1 TB.

For flash drives (SSDs):

Standard required time*RAID levelNumber of parity groups

30 minutes2D+2DRAID 1From 1 to 4

20 minutes3D+1PRAID 5

15 minutes7D+1P

15 minutes6D+2PRAID 6

10 minutes14D+2P

*Flash drive capacity is assumed to be 1 TB.

For FMDs:

Standard required time*RAID levelNumber of parity groups

20 minutes2D+2DRAID 1From 1 to 4

10 minutes3D+1PRAID 5

10 minutes7D+1P

10 minutes6D+2PRAID 6

5 minutes14D+2P

*FMD capacity is assumed to be 1 TB.

When host I/Os are performed, the required shredding time is at least six times that of when no

host I/Os are performed. If a DKxxx-HxxxAT data drive is used for creating a parity group on an

encrypted data drive, the time required for shredding that parity group is the maximum time listed.

If the volumes to be shredded belong to drives of mixed types or mixed configurations, the longest

required times associated with the drive type or drive configuration apply to all volumes. Thus,

mixed types and configurations take more time for the volumes to become available for use than

when the drive type and drive configuration are the same. When you add drives or change drive

6 Overview of Volume Shredder

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Hp XP7 Storage Manual do Utilizador Página 6