# # @(#)disktab 5.6 (Berkeley) 05/09/93 # # Disk geometry and partition layout tables. # Key: # dt controller type # ty type of disk (fixed, removeable, simulated) # d[0-4] drive-type-dependent parameters # ns #sectors/track # nt #tracks/cylinder # nc #cylinders/disk # sc #sectors/cylinder, nc*nt default # su #sectors/unit, sc*nc default # se sector size, DEV_BSIZE default # rm rpm, 3600 default # sf supports bad144-style bad sector forwarding # sk sector skew per track, default 0 # cs sector skew per cylinder, default 0 # hs headswitch time, default 0 # ts one-cylinder seek time, default 0 # il sector interleave (n:1), 1 default # bs boot block size, default BBSIZE # sb superblock size, default SBSIZE # o[a-h] partition offsets in sectors # p[a-h] partition sizes in sectors # b[a-h] partition block sizes in bytes # f[a-h] partition fragment sizes in bytes # t[a-h] partition types (filesystem, swap, etc) # b[0-1] primary and secondary bootstraps, optional # # All partition sizes contain space for bad sector tables unless # the device drivers fail to support this. Smaller disks may # not have all partitions and all disks have no defaults for # the `h' partition. The strategy here is that `a' always # has the same amount for all disks. The `b' partition is # four times `a' while `c' is always the entire disk. The # sum of `d', `e', and `f' is equal to `g' which is everything else. rz22|RZ22|DEC RZ22 Winchester:\ :dt=SCSI:ty=winchester:ns#33:nt#4:nc#776:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#69664:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#102432:oc#0:bc#8192:fc#1024: rz23|RZ23|DEC RZ23 Winchester:\ :dt=SCSI:ty=winchester:ns#33:nt#8:nc#776:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#204864:oc#0:bc#8192:fc#1024:\ :pd#13674:od#163840:bd#8192:fd#1024:\ :pe#13674:oe#177514:be#8192:fe#1024:\ :pf#13676:of#191188:bf#8192:ff#1024:\ :pg#41024:og#163840:bg#8192:fg#1024: rz23l|RZ23L|DEC RZ23L Winchester:\ :dt=SCSI:ty=winchester:ns#39:nt#4:nc#1524:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#66690:ob#32768:bb#4096:fb#1024:tb=swap\ :pc#237588:oc#0:bc#8192:fc#1024:\ :pd#35135:od#99458:bd#8192:fd#1024:\ :pe#35135:oe#134593:be#8192:fe#1024:\ :pf#67860:of#169728:bf#8192:ff#1024:\ :pg#138130:og#99458:bg#8192:fg#1024: rz24|RZ24|DEC RZ24 Winchester:\ :dt=SCSI:ty=winchester:ns#38:nt#8:nc#1348:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#4096:fb#1024:tb=swap:\ :pc#409792:oc#0:bc#8192:fc#1024:\ :pd#81984:od#163840:bd#8192:fd#1024:\ :pe#81984:oe#245824:be#8192:fe#1024:\ :pf#81984:of#327808:bf#8192:ff#1024:\ :pg#245952:og#163840:bg#8192:fg#1024: # # The RZ24L uses ZBR, so (pc = #_logical_blocks) > ns * nt * nc. # #_logical_blocks was obtained from the 'scu' "show pages" command. # rz24l|RZ24L|DEC RZ24L Winchester:\ :dt=SCSI:ty=winchester:ns#65:nt#4:nc#1818:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#4096:fb#1024:tb=swap:\ :pc#479350:oc#0:bc#8192:fc#1024:\ :pd#105170:od#163840:bd#8192:fd#1024:\ :pe#105170:oe#269010:be#8192:fe#1024:\ :pf#105170:of#374180:bf#8192:ff#1024:\ :pg#315510:og#163840:bg#8192:fg#1024: rz25|RZ25|DEC RZ25 Winchester:\ :dt=SCSI:ty=winchester:ns#62:nt#9:nc#1476:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#832527:oc#0:bc#8192:fc#1024:\ :pd#222896:od#163840:bd#8192:fd#1024:\ :pe#222896:oe#386736:be#8192:fe#1024:\ :pf#222895:of#609632:bf#8192:ff#1024:\ :pg#668687:og#163840:bg#8192:fg#1024: rz26|RZ26|DEC RZ26 Winchester:\ :dt=SCSI:ty=winchester:ns#57:nt#14:nc#2570:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#2050860:oc#0:bc#8192:fc#1024:\ :pd#629006:od#163840:bd#8192:fd#1024:\ :pe#629006:oe#792846:be#8192:fe#1024:\ :pf#629008:of#1421852:bf#8192:ff#1024:\ :pg#819200:og#163840:bg#8192:fg#1024:\ :ph#1067820:oh#983040:bh#8192:fh#1024: rz55|RZ55|DEC RZ55 Winchester:\ :dt=SCSI:ty=winchester:ns#36:nt#15:nc#1224:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#649040:oc#0:bc#8192:fc#1024:\ :pd#152446:od#163840:bd#8192:fd#1024:\ :pe#152446:oe#316286:be#8192:fe#1024:\ :pf#180308:of#468732:bf#8192:ff#1024:\ :pg#485200:og#163840:bg#8192:fg#1024: rz56|RZ56|DEC RZ56 Winchester:\ :dt=SCSI:ty=winchester:ns#54:nt#15:nc#1632:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#4096:fb#1024:tb=swap:\ :pc#1299174:oc#0:bc#8192:fc#1024:\ :pd#292530:od#163840:bd#8192:fd#1024:\ :pe#292530:oe#456370:be#8192:fe#1024:\ :pf#550274:of#748900:bf#8192:ff#1024:\ :pg#567666:og#163840:bg#8192:fg#1024:\ :ph#567668:oh#731506:bh#8192:fh#1024: #rz57|RZ57|DEC RZ57 Winchester:\ # :dt=SCSI:ty=winchester:ns#71:nt#15:nc#1854:\ # :pa#32768:ba#8192:fa#1024:\ # :pb#184320:bb#4096:fb#1024:tb=swap:\ # :pc#1954050:bc#8192:fc#1024:\ # :pd#299008:bd#8192:fd#1024:\ # :pe#299008:be#8192:fe#1024:\ # :pf#524546:bf#8192:ff#1024:\ # :pg#614400:bg#8192:fg#1024:\ # :ph#1122562:bh#8192:fh#1024: rz57|RZ57|DEC RZ57 Winchester:\ :dt=SCSI:ty=winchester:ns#70:nt#15:nc#1861:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#184320:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#1954050:oc#0:bc#8192:fc#1024:\ :pd#299008:od#831488:bd#8192:fd#1024:\ :pe#299008:oe#1130496:be#8192:fe#1024:\ :pf#524546:of#1429504:bf#8192:ff#1024:\ :pg#614400:og#217088:bg#8192:fg#1024:\ :ph#1122562:oh#831488:bh#8192:fh#1024: # NOTE: The RZ58 uses a recording technique called zoned recording. # Using this technique, the number of sectors per track will vary # depending on what zone of the disk is in use (simply multiplying # ns*nt*nc does not give true capacity of the drive). The ns (number # of sectors per track) is calculated by "ns = total sectors/(nt*nc)" # and is a rounded value. Therefore, the value "ns" is an approximation, # not a true representation, of what is stored on disk. # # The 'c' partition listed below gives the true size of the RZ58 # (this information can be obtained by use of the DEVGETGEOM ioctl). # rz58|RZ58|DEC RZ58 Winchester:\ :ty=winchester:ns#85:nt#15:nc#2112:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#4096:fb#1024:tb=swap:\ :pc#2698061:oc#0:bc#8192:fc#1024:\ :pd#844800:od#163840:bd#8192:fd#1024:\ :pe#844800:oe#1008640:be#8192:fe#1024:\ :pf#844620:of#1853440:bf#8192:ff#1024:\ :pg#819200:og#163840:bg#8192:fg#1024:\ :ph#1715019:oh#983040:bh#8192:fh#1024: xt8760|XT8760|Maxtor XT8760 Winchester:\ :dt=SCSI:ty=winchester:ns#54:nt#15:nc#1616:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#131072:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#1308930:oc#0:bc#8192:fc#1024:\ :pd#152446:od#163840:bd#8192:fd#1024:\ :pe#152446:oe#316286:be#8192:fe#1024:\ :pf#840198:of#468732:bf#8192:ff#1024:\ :pg#1145090:og#163840:bg#8192:fg#1024: ep976|EP976|EPSON HMD-976 Winchester:\ :dt=SCSI:ty=winchester:ns#34:nt#6:nc#670:\ :pa#32768:oa#0:ba#8192:fa#1024:\ :pb#69664:ob#32768:bb#8192:fb#1024:tb=swap:\ :pc#136680:oc#0:bc#8192:fc#1024:\ :pg#34248:og#102432:bg#8192:fg#1024: