dm_disk HP_C2490A_validate_model {   Number of data surfaces = 18,   Number of cylinders = 2629,   Block count = 4165272,   Layout Model = dm_layout_g1 {      LBN-to-PBN mapping scheme = 0,      Sparing scheme used = 1,      Rangesize for sparing = 1,      Zones = [         dm_layout_g1_zone {            First cylinder number = 0,            Last cylinder number = 186,            Blocks per track = 108,            Offset of first block = 0,            Empty space at zone front = 2376,            Skew for track switch = 18,            Skew for cylinder switch = 36,            Number of spares = 198,            slips = [               1626,               1850            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 187,            Last cylinder number = 501,            Blocks per track = 104,            Offset of first block = 60,            Empty space at zone front = 0,            Skew for track switch = 17,            Skew for cylinder switch = 35,            Number of spares = 90,            slips = [               1644,               3579            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 502,            Last cylinder number = 785,            Blocks per track = 100,            Offset of first block = 10,            Empty space at zone front = 0,            Skew for track switch = 16,            Skew for cylinder switch = 33,            Number of spares = 72,            slips = [               3541            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 786,            Last cylinder number = 1097,            Blocks per track = 96,            Offset of first block = 0,            Empty space at zone front = 0,            Skew for track switch = 16,            Skew for cylinder switch = 32,            Number of spares = 72,            slips = [               1580,               3447,               4756,               5614            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 1098,            Last cylinder number = 1356,            Blocks per track = 92,            Offset of first block = 32,            Empty space at zone front = 0,            Skew for track switch = 15,            Skew for cylinder switch = 31,            Number of spares = 54,            slips = [               3361            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 1357,            Last cylinder number = 1609,            Blocks per track = 88,            Offset of first block = 73,            Empty space at zone front = 0,            Skew for track switch = 15,            Skew for cylinder switch = 30,            Number of spares = 54,            slips = [               3193            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 1610,            Last cylinder number = 1850,            Blocks per track = 84,            Offset of first block = 28,            Empty space at zone front = 0,            Skew for track switch = 14,            Skew for cylinder switch = 28,            Number of spares = 90,            slips = [               1354,               1462,               1686,               4147            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 1851,            Last cylinder number = 2070,            Blocks per track = 80,            Offset of first block = 8,            Empty space at zone front = 0,            Skew for track switch = 13,            Skew for cylinder switch = 27,            Number of spares = 36,            slips = [               1684,               1862            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 2071,            Last cylinder number = 2277,            Blocks per track = 76,            Offset of first block = 57,            Empty space at zone front = 0,            Skew for track switch = 13,            Skew for cylinder switch = 26,            Number of spares = 54,            slips = [],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 2278,            Last cylinder number = 2497,            Blocks per track = 72,            Offset of first block = 22,            Empty space at zone front = 0,            Skew for track switch = 12,            Skew for cylinder switch = 25,            Number of spares = 36,            slips = [               1547,               2329,               2783            ],            defects = []         },         dm_layout_g1_zone {            First cylinder number = 2498,            Last cylinder number = 2629,            Blocks per track = 68,            Offset of first block = 62,            Empty space at zone front = 0,            Skew for track switch = 12,            Skew for cylinder switch = 23,            Number of spares = 72,            slips = [               1071,               1380,               2187            ],            defects = []         }      ]   },   Mechanical Model = dm_mech_g1 {      Access time type = trackSwitchPlusRotation,      Seek type = extracted,      Single cylinder seek time = 0.200000,      Full seek curve = hp_c2490a_validate.seek,      Full strobe seek time = 2.300000,      Add. write settling delay = -0.642000,#      HPL seek equation values = [#         300,#         3.750000,#         0.330000,#         7.690000,#         0.005900,#         -1.000000#      ],#      First ten seek times = [#         2.630000,#         3.420000,#         3.550000,#         3.720000,#         4.010000,#         4.390000,#         4.260000,#         4.390000,#         4.560000,#         4.730000#      ],      Head switch time = 0.992000,      Rotation speed (in rpms) = 6398,      Percent error in rpms = 0.000000   }} # end of HP_C2490A_validate_model spec