RAID capacities

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Use the following information to calculate the raw and usable capacity for High Performance Flash Enclosures Gen3.

RAID 6 is the recommended and default RAID type for all drives over 1 TB. RAID 6 and RAID 10 are the only supported RAID types for 3.84 TB Flash Tier 1 drives and 1.92 TB, 7.68 TB, and 15.36 TB Flash Tier 2 drives. RAID 5 is not supported for drives larger than 1 TB, and requires a request for price quote (RPQ). For information, contact your sales representative.
Table 1. RAID capacities for High Performance Flash Enclosures Gen3.

Use the following information to calculate the raw and usable capacity for High Performance Flash Enclosures Gen3.
Flash drive disk size Raw capacity of Flash drive set Rank type Usable capacity of one rank in number of extents
RAID-10 arrays RAID-6 arrays
3 + 3 4 + 4 5 + P + Q 6 + P + Q
800 GB 12.8 TB FB Lg Ext 2163 2885 3608 4330
FB Sm Ext 138462 184701 230935 277159
CKD Lg Ext 2426 3236 4046 4857
CKD Sm Ext 128604 171551 214488 257438
1.6 TB 25.6 TB FB Lg Ext 4331 5776 7221 8666
FB Sm Ext 277204 369691 462163 554647
CKD Lg Ext 4857 6478 8099 9719
CKD Sm Ext 257467 343369 429258 515155
1.92 TB 30.7 TB FB Lg Ext 5198 6932 8666 10400
FB Sm Ext 332703 443689 554668 665647
CKD Lg Ext 5830 7775 9720 11665
CKD Sm Ext 309014 412009 515174 618257
3.2 TB 51.2 TB FB Lg Ext 8667 11557 14447 17337
FB Sm Ext 554691 739673 924653 1109623
CKD Lg Ext 9720 12962 16204 19445
CKD Sm Ext 515197 687009 858812 1030627
3.84 TB 61.4 TB FB Lg Ext 10401 13869 17338 20806
FB Sm Ext 665686 887667 1109645 1331623
CKD Lg Ext 11665 15555 19445 23336
CKD Sm Ext 618289 824465 1030630 1236812
7.68 TB 123 TB FB Lg Ext 20807 27744 34680 41617
FB Sm Ext 1331653 1775623 2219583 2663551
CKD Lg Ext 23336 31116 38897 46677
CKD Sm Ext 1236838 1649196 2061542 2473901
15.36 TB 246 TB FB Lg Ext 41404 55207 69010 82812
FB Sm Ext 2649892 3533275 4416655 5300023
CKD Lg Ext 46438 61918 77399 92880
CKD Sm Ext 2461216 3281701 4102175 4922665