diff options
Diffstat (limited to 'distrib/notes/sparc/prep')
| -rw-r--r-- | distrib/notes/sparc/prep | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/distrib/notes/sparc/prep b/distrib/notes/sparc/prep index db0b5295553..8d76a071c91 100644 --- a/distrib/notes/sparc/prep +++ b/distrib/notes/sparc/prep @@ -18,18 +18,12 @@ Unlike SunOS and the OpenBOOT ROM, a generic OpenBSD kernel numbers SCSI drives sequentially as it finds them. The drive with the lowest SCSI-ID will be called sd0, the next one sd1, etc. -To ease the installation process, two OpenBSD kernels are provided in -the installation sets. The default OpenBSD kernel (bsd) is set up -to use the OpenBSD mapping, while a special kernel (bsd.scsi3) is -set up to match the Sun mapping above by hard-wiring SCSI-ID#3 to sd0 -and SCSI-ID#0 to sd3. The remaining drives will be dynamically mapped -to other sd* numbers. - This is mostly a non-issue if you have only one drive on your system, -but can get confusing if you have multiple drives. If you plan -to eliminate SunOS altogether it may be best to correct the SCSI-IDs -of your drives, while if you plan to leave SunOS installed, it may -be better to install OpenBSD on a drive with SCSI-ID 1 or 0. +but can get confusing if you have multiple drives (unless you choose +to use DUIDs to access partitions). If you plan to eliminate SunOS +altogether it may be best to correct the SCSI-IDs of your drives, +while if you plan to leave SunOS installed, it may be better to +install OpenBSD on a drive with SCSI-ID 1 or 0. Older OpenBoot proms (versions 1.x) provide an environment variable, sd-targets, that controls the drive<->SCSI-ID mapping; you can change @@ -40,11 +34,6 @@ To revert to the ``normal'' behaviour, enter the following command: ok setenv sd-targets 01234567 -NOTE: if you elect to build a custom kernel you may want to "hardwire" -the SCSI-IDs to sd0->SCSI-ID 0 or your desired scheme, this helps -prevent accidents if you change the SCSI bus configuration or a drive -is down. - Your OpenBOOT ROM may need some setup. If you are running OpenBSD on a sun4c, sun4e or sun4m system, the ROM must be set to "new" command mode. If your machine comes up and gives you a `>' prompt instead of |