diff options
| author |   krw <krw@openbsd.org> | 2007-04-14 16:32:30 +0000 |
|---|---|---|
| committer | krw <krw@openbsd.org> | 2007-04-14 16:32:30 +0000 |
| commit | 16d4c68ed6f6c032bf555336c10b2c0de07094e4 (patch) | |
| tree | e051b4553a003596db55bcb395f8ba9d3bf6a5b2 | |
| parent | Add degraded raid 1 io path code (diff) | |
| download | wireguard-openbsd-16d4c68ed6f6c032bf555336c10b2c0de07094e4.tar.xz wireguard-openbsd-16d4c68ed6f6c032bf555336c10b2c0de07094e4.zip | |
For devices unwilling or unable to report geometry, change the 'fake'
geometry used to 255 heads and 63 sectors/track from 64 heads and 32
sectors. 255/63 makes the cylinders as large as PC/BIOS compatibility
allows, increasing the size of devices that can be supported.
ok pedro@ (long ago) marco@ millert@ weingart@
| -rw-r--r-- | sys/scsi/sd.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/scsi/sd.c b/sys/scsi/sd.c index 733d56b426a..c6eaf23e278 100644 --- a/sys/scsi/sd.c +++ b/sys/scsi/sd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sd.c,v 1.124 2007/04/13 18:56:26 krw Exp $ */ +/* $OpenBSD: sd.c,v 1.125 2007/04/14 16:32:30 krw Exp $ */ /* $NetBSD: sd.c,v 1.111 1997/04/02 02:29:41 mycroft Exp $ */ /*- @@ -1412,12 +1412,11 @@ validate: } /* - * Use Adaptec standard geometry values for anything we still don't - * know. + * Use standard geometry values for anything we still don't know. */ - dp->heads = (heads == 0) ? 64 : heads; - dp->sectors = (sectors == 0) ? 32 : sectors; + dp->heads = (heads == 0) ? 255 : heads; + dp->sectors = (sectors == 0) ? 63 : sectors; dp->rot_rate = (rpm == 0) ? 3600 : rpm; /* |