Drive Setup for YDL (nathan r. hruby)
nathan r. hruby
yellowdog-general@lists.terrasoftsolutions.com
Fri May 9 15:43:01 2003
On Fri, 9 May 2003, Tim Seufert wrote:
> On Friday, May 9, 2003, at 01:03 PM, nathan r. hruby wrote:
>
> > On Fri, 9 May 2003, Bill Judd wrote:
> >
> >>
> >> Here's a quote from the (Mac OS X) man page for "pdisk", Apple's
> >> low-level partitioning tool:
> >>
> >> "Creating more than fifteen partitions is not advised. There is
> >> currently
> >> a bug in the some (all?) of the kernels which causes access to
> >> the
> >> whole
> >> disk fail if more than fifteen partitions are in the map."
> >>
> >> If you use Apple's "Disk Utility" to do your formatting, and you add
> >> the OS 9 drivers, your first "user" partition will be #9 of 15.
> >>
> >
> > Hurm. Thanks for the info! I'm going to have to reevaluate things a
> > bit then.
>
> On the other hand... that man page dates itself March 24, 2001, which
> is (if I'm not mistaken) the MacOS X 10.0.0 time frame. I've seen it
> happen before that people bring up (on Darwin mailing lists)
> limitations mentioned in Darwin man pages, and some Apple guy says "oh,
> we fixed that N releases ago, just never updated the man page". So it
> might be worth your while to do some experimentation, as this seems
> like a prime candidate for that sort of thing. :)
>
Freakin' Apple.... I went into DiskUtility and created 8 partitions, then
split each a bunch of times.. then partitioned the drive, and now..
bash-2.05a$ cd /Volumes/
bash-2.05a$ ls -l | wc -l
27
bash-2.05a$ su
[puma:/Volumes] nathan# pdisk
Top level command (? for help):
Top level command (? for help): L
/dev/rdisk0 map block size=512
#: type name length base ( size )
1: Apple_partition_map Apple 63 @ 1
2: Apple_Driver43*Macintosh 56 @ 64
3: Apple_Driver43*Macintosh 56 @ 120
4: Apple_Driver_ATA*Macintosh 56 @ 176
5: Apple_Driver_ATA*Macintosh 56 @ 232
6: Apple_FWDriver Macintosh 512 @ 288
7: Apple_Driver_IOKit Macintosh 512 @ 800
8: Apple_Patches Patch Partition 512 @ 1312
9: Apple_HFS Untitled 361880248 @ 1824 (172.6G)
10: Apple_Free 0+@ 361882072
Device block size=512, Number of Blocks=361882080
DeviceType=0x0, DeviceId=0x0
Drivers-
1: @ 64 for 23, type=0x1
2: @ 120 for 36, type=0xffff
3: @ 176 for 21, type=0x701
4: @ 232 for 34, type=0xf8ff
/dev/rdisk1 map block size=512
#: type name length base ( size
)
1: Apple_partition_map Apple 63 @ 1
2: Apple_Driver43*Macintosh 56 @ 64
3: Apple_Driver43*Macintosh 56 @ 120
4: Apple_Driver_ATA*Macintosh 56 @ 176
5: Apple_Driver_ATA*Macintosh 56 @ 232
6: Apple_FWDriver Macintosh 512 @ 288
7: Apple_Driver_IOKit Macintosh 512 @ 800
8: Apple_Patches Patch Partition 512 @ 1312
9: Apple_HFS Untitled_1_1 11308816 @ 1824 ( 5.4G)
10: Apple_HFS Untitled_1_2 11308816 @ 11310640 ( 5.4G)
11: Apple_HFS Untitled_2_1_1 5654416 @ 22619456 ( 2.7G)
12: Apple_HFS Untitled_2_1_2 5654416 @ 28273872 ( 2.7G)
13: Apple_HFS Untitled_2_2 11308816 @ 33928288 ( 5.4G)
14: Apple_HFS Untitled 2_1_1 8548400 @ 45237104 ( 4.1G)
15: Apple_HFS Untitled 2_1_2 8548400 @ 53785504 ( 4.1G)
16: Apple_HFS Untitled 2_2_1_1 4274208 @ 62333904 ( 2.0G)
17: Apple_HFS Untitled 2_2_1_2 4274208 @ 66608112 ( 2.0G)
18: Apple_HFS Untitled 2_2_2 8548400 @ 70882320 ( 4.1G)
19: Apple_HFS Untitled 3_1_1 5846736 @ 79430720 ( 2.8G)
20: Apple_HFS Untitled 3_1_2 5846736 @ 85277456 ( 2.8G)
21: Apple_HFS Untitled 3_2 11693472 @ 91124192 ( 5.6G)
22: Apple_HFS Untitled 4_1_1 5846736 @ 102817664 ( 2.8G)
23: Apple_HFS Untitled 4_1_2 5846736 @ 108664400 ( 2.8G)
24: Apple_HFS Untitled 4_2 11693472 @ 114511136 ( 5.6G)
25: Apple_HFS Untitled 5 18384384 @ 126204608 ( 8.8G)
26: Apple_HFS Untitled 6_1_1 5846736 @ 144588992 ( 2.8G)
27: Apple_HFS Untitled 6_1_2 5846736 @ 150435728 ( 2.8G)
28: Apple_HFS Untitled 6_2_1_1 2923376 @ 156282464 ( 1.4G)
29: Apple_HFS Untitled 6_2_1_2 2923376 @ 159205840 ( 1.4G)
30: Apple_HFS Untitled 6_2_2 5846736 @ 162129216 ( 2.8G)
31: Apple_HFS Untitled 7 18384384 @ 167975952 ( 8.8G)
32: Apple_HFS Untitled 8_1_1 5079904 @ 186360336 ( 2.4G)
33: Apple_HFS Untitled 8_1_2 5079904 @ 191440240 ( 2.4G)
34: Apple_HFS Untitled 8_2 165361928 @ 196520144 ( 78.9G)
35: Apple_Free 0+@ 361882072
Device block size=512, Number of Blocks=361882080
DeviceType=0x0, DeviceId=0x0
Drivers-
1: @ 64 for 23, type=0x1
2: @ 120 for 36, type=0xffff
3: @ 176 for 21, type=0x701
4: @ 232 for 34, type=0xf8ff
Whee! This is on 10.2.6 but I bet that bugs' quashed for most of the 10.2
series at least.. God - and I think they hate it when I file radar bugs
about outdated manpages :)
> BTW, under Linux there are sometimes problems with large partition
> counts: many x86 distributions used to install enough device nodes
> under /dev for 15 or 16 partitions per drive, that already being more
> than anybody could contemplate using with the horrible MS-DOS partition
> table format. YDL (at least as of several releases ago) used to do
> this since it is a RedHat port, and let's face it, the demand for 16+
> partitions is small even if you have a partition table not designed in
> the Stone Age. After SSHing to a local RH machine, it does look as
> though recent RH distributions install 32, but it's something to check
> out if you run into problems.
>
Thanks! I, in theory, could make more with makedev, that's not true for
the installer CD :) I'll give it a whirl and see what happens.
-n
--
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nathan hruby <nathan@drama.uga.edu>
computer services specialist
uga drama & theatre
reality is a moving target
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