# # @(#)disktab 5.5 (Berkeley) 2/27/91 # # Disk geometry and partition layout tables. # Key: # ty type of disk # ns #sectors/track # nt #tracks/cylinder # nc #cylinders/disk # rm rpm, 3600 default # se sector size, 512 default # sf supports bad144-style bad sector forwarding # so 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 # # All partition sizes contain space # for bad sector tables unless the # device drivers fail to support this. # # Entries may also be used for other compatible drives # with the same geometry. # # SCSI disks # Again, these mapping support three basic layouts: # Again, these mapping support three basic layouts: # # A/B/G: This is the "traditional" setup for a bootable disk. # A is the root partition, B the swap, and G is for /usr # and users. # A/D/E/F (large drives): # A/D/H (small drives): # This is a setup for bootable systems requiring more swap # (e.g. those who need CL). It has A as the root, D as a # larger swap, E and F (or H) as smaller user partitions. # E could be used for /usr and F for users (or H for both). # Or, E could be used for /var and F for /usr and users. # C: This gives a single, non-bootable, large user filesystem. # Good for second drives on a machine as either /usr/src # or a large /usr or user partition. # # A/B/G: This is the "traditional" setup for a bootable disk. # A is the root partition, B the swap, and G is for /usr # and users. # A/D/E/F (large drives): # A/D/H (small drives): # This is a setup for bootable systems requiring more swap # (e.g. those who need CL). It has A as the root, D as a # larger swap, E and F (or H) as smaller user partitions. # E could be used for /usr and F for users (or H for both). # Or, E could be used for /var and F for /usr and users. # C: This gives a single, non-bootable, large user filesystem. # Good for second drives on a machine as either /usr/src # or a large /usr or user partition. # sd7958|sd7958-utah|HP7958S:\ :ty=winchester:ns#32:nt#6:nc#1643:\ :pa#16384:oa#1024:ba#8192:fa#1024:\ :pb#65536:ob#17408:\ :pc#315455:oc#0:bc#8192:fc#1024:\ :pd#98304:od#17408:\ :pe#102400:oe#115712:be#4096:fe#512:\ :pf#97343:of#218112:bf#4096:ff#1024:\ :pg#232511:og#82944:bg#8192:fg#1024:\ :ph#199743:oh#115712:bh#8192:fh#1024: sd7959|sd330|sd7959-utah|HP7959S:\ :ty=winchester:ns#32:nt#12:nc#1643:\ :pa#16384:oa#1024:ba#8192:fa#1024:\ :pb#65536:ob#17408:\ :pc#630911:oc#0:bc#8192:fc#1024:\ :pd#98304:od#17408:\ :pe#102400:oe#115712:be#4096:fe#512:\ :pf#412799:of#218112:bf#4096:ff#1024:\ :pg#547967:og#82944:bg#8192:fg#1024:\ :ph#515199:oh#115712:bh#8192:fh#1024: sd7548-utah|sd660|HP97548S with Utah partitions:\ :ty=winchester:ns#56:nt#16:nc#1447:\ :pa#16384:oa#1024:ba#8192:fa#1024:\ :pb#65536:ob#17408:\ :pc#1296511:oc#0:bc#8192:fc#1024:\ :pd#98304:od#17408:\ :pe#102400:oe#115712:be#4096:fe#512:\ :pf#1078399:of#218112:bf#4096:ff#1024:\ :pg#1213567:og#82944:bg#8192:fg#1024:\ :ph#1180799:oh#115712:bh#8192:fh#1024: # # HP magneto-optical drive. # (ns, nt, nc are totally bogus) # actually 1K sectors sd650-sony|mo650-sony|HP6300/650A Magneto-optical drive with Sony format:\ :ty=optical:ns#61:nt#8:nc#1306:\ :pa#16384:oa#1024:ba#8192:fa#1024:\ :pb#65536:ob#17408:\ :pc#637328:oc#0:bc#8192:fc#1024:\ :pd#98304:od#17408:\ :pe#102400:oe#115712:be#4096:fe#1024:\ :pf#419216:of#218112:bf#4096:ff#1024:\ :pg#554384:og#82944:bg#8192:fg#1024: sd650|mo650|mo650-ansi|HP6300/650A Magneto-optical with ANSI format drive:\ :ty=optical:ns#61:nt#8:nc#1306:\ :pa#16384:oa#1024:ba#8192:fa#1024:\ :pb#65536:ob#17408:\ :pc#629136:oc#0:bc#8192:fc#1024:\ :pd#98304:od#17408:\ :pe#102400:oe#115712:be#4096:fe#1024:\ :pf#411024:of#218112:bf#4096:ff#1024:\ :pg#546192:og#82944:bg#8192:fg#1024: # RAM disk ram:\ :ty=winchester:ns#512:nt#4:nc#1:\ :pa#2048:oa#0:ba#4096:fa#512:\ :pb#2048:ob#0:bb#4096:fb#512:\ :pc#2048:oc#0:bc#4096:fc#512: