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IBM Mainframe Disk Capacity Table

The following tables contain the IBM mainframe disk capacities for all disks sincedinosaurs roamed the Earth. If you know of any disks that should be added to thistable, please send an e-mail to support@sdisw.com.

If you have disk conversion issues, VM Magic will allow you to simulate one disk type onanother disk type eliminating the need for a disk conversion. Contact sales@sdisw.comfor more information.

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Count Key Data (CKD) Devices

Disk Type Data

cylinders

Alternate

cylinders

Tracks

per

cylinder

Bytes

per

track

Bytes per

cylinder

Bytes per module

2305-1 48 6 8 14,136 113,088 5,428,224

2305-2 96 12 8 14,660 117,280 11,258,880

2311 200 3 10 3,625 36,250 7,250,000

2314 200 3 20 7,294 145,880 29,176,000

3330-1 404 7 19 13,030 247,570 100,018,280

3330-11 808 7 19 13,030 247,570 200,036,560

3340-35 348 1 12 8,368 100,416 34,944,768

3340-70 696 2 12 8,368 100,416 68,889,536

3344 (1) 2784 8 12 8368 100,416 275,558,144

3350 555 5 30 19,069 572,070 317,498,850

3375 959 1 12 35,616 427,392 409,868,928

3380 A/B/D/J 885 1 15 47,476 712,140 630,243,900

3380 E 1770 2 15 47,476 712,140 1,260,487,800

3380 K 2655 3 15 47,476 712,140 1,890,731,700

EMC338OK+ 3339 3 15 47,476 712,140 2,377,835,460

EMC338OK+ + 3993 3 15 47,476 712,140 2,843,575,020

3390-1 1113 1 15 56,664 849,960 946,005,480

3390-2 2226 1 15 56,664 849,960 1,892,010,960

3390-3 3339 1 15 56,664 849,960 2,838,016,440

3390-9 10017 3 15 56,664 849,960 8,514,049,320

3390-27 (2) 32760 3 15 56,664 849,960 27,844,689,600

3390-54 65520 3 15 56,664 849,960 55,689,279,200

9345-1 1440 0 15 46,456 696,840 1,003,449,600

9345-2 2156 0 15 46,456 696,840 1,502,387,040

Fixed Block Architecure (FBA) Devices

Disk Type Bytes

per

block

Blocks

per track

Blocks per

cylinder

Blocks per

actuator

Bytes per actuator

3310 512 32 352 125,664 64,339,968

3370-Al/BI 512 62 744 558,000 285,696,000

3370-A2/B2 512 62 744 712,752 364,929,024

9332-200 512 73 292 360,036 184,338,432

IBM Mainframe Disk Capacity Table http://www.sdisw.com/vm/dasd_capacity.html

1 de 2 03/03/2011 11:26

9332-400 512 73 292 360,036 184,338,432

9332-600 512 73 292 554,800 284,057,600

9335 512 71 426 804,714 412,013,568

9336-10 512 63 315 920,115 471,098,880

9336-20/25 512 111 777 1,672,881 856,515,072

Notes:

The 3344 always operates in 3340 compatibility mode, emulating four 3340's per drive.

Capacity is therefore equal to that of four 3348 Model 70s.

1.

The name 3390-27 is a descriptive term that indicates the relative size of a 32,760 cylinder

volume (27 GB) rather than a specific device type. From the operating system perspective,

a volume larger than 3339 cylinders is reported as a 3390-9 device type.

2.

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IBM Mainframe Disk Capacity Table http://www.sdisw.com/vm/dasd_capacity.html

2 de 2 03/03/2011 11:26