diff options
Diffstat (limited to 'distrib/notes/sparc/prep')
| -rw-r--r-- | distrib/notes/sparc/prep | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/distrib/notes/sparc/prep b/distrib/notes/sparc/prep index 67dc33a3d27..f9d2ba17b56 100644 --- a/distrib/notes/sparc/prep +++ b/distrib/notes/sparc/prep @@ -26,10 +26,10 @@ 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 really confusing if you have multiple drives. If you plan +but can get confusing if you have multiple drives. If you plan to eliminate SunOS altogether it may be best to correct the scsi-id's of your drives, while if you plan to leave SunOS installed, it may -be better to install OpenBSD on an external drive with scsi-id 1 or 0. +be better to install OpenBSD on a drive with scsi-id 1 or 0. Some OpenBoot proms provide and environment variable that controls the drive<->scsi-id mapping, you can change this to reflect the natural @@ -41,18 +41,24 @@ the scsi-id's 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. make sure you boot from `new -command mode'. If your machine comes up and gives you a `>' prompt +Your OpenBOOT ROM may need some setup. If you are running OpenBSD on +a sun4c, or sun4m system, the ROM must be set to "new" command mode. +If your sun4c or sun4m machine comes up and gives you a `>' prompt instead of `ok', type: >n ok setenv sunmon-compat? false ok -This is needed because OpenBSD cannot handle the old-mode yet, and will -firework on you. +This is needed because OpenBSD relies on the behaviour of the "new" command +mode. OpenBSD will not boot correctly on sun4c or sun4m systems that +are not running in "new" command mode. The sun4 systems such as the 4/110, +4/200, and 4/300 system do not have a "new" command mode, and will work +fine as-is. + Also, you cannot use the security modes of the sparc OpenBOOT ROM. +Make sure that the ROM security modes are disabled: ok setenv security-mode none @@ -74,6 +80,10 @@ both OpenBSD and SunOS environments on the same system. about missing . and .. entries. Do *not* try to "correct" these problems, as attempting to do so will completely trash the filesystem. + You should avoid using the new OpenBSD "-s enable" option to the + "tunefs" command, which enable the soft update feature. + Although untested, it is likely that SunOS would be confused by a + filesystem with soft update flags enabled. OpenBSD supports both OpenBSD "native" disklabels and "Sun compatible" disklabels. Unless you have some really good reason, you should stick |