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Article #12429booting an alternate SCSI disk
From: Paul V. O'Neill
Date: Wed, 03 May 1989 09:50
Date: Wed, 03 May 1989 09:50
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Here's how to boot off sd2 (on a 4.0 4/110 anyway) (it must have /vmunix, /boot and /boot must be installed w/ installboot.) >b sd(0,4,0) /* 4!! */ /* this boots off sd2a and then mounts sd0a as root */ To boot and run off sd2a: (must have the above and a full root file system.) >b sd(0,4,0) -a /* -a = "ask me" -- see Admin Manual */ /* The first time you are asked "mount root on?" answer "sd4a". The 2nd time you are asked "mount root on?" answer "sd2a". */ This was all non-documented and non-intuitive enough that I felt like sharing it w/ you all. Paul O'Neill pvo@oce.orst.edu Coastal Imaging Lab OSU--Oceanography Corvallis, OR 97331 503-754-3251
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ukma!husc6!rice!sun-spots-request From: pvo1478@oce.orst.edu (Paul V. O'Neill) Newsgroups: comp.sys.sun Subject: booting an alternate SCSI disk Keywords: SunOS Message-ID: <8904160002.AA00749@sapphire.oce.orst.edu> Date: 3 May 89 09:50:58 GMT Sender: usenet@rice.edu Organization: Sun-Spots Lines: 23 Approved: Sun-Spots@rice.edu Original-Date: Sat, 15 Apr 89 17:02:02 PDT X-Sun-Spots-Digest: Volume 7, Issue 263, message 5 of 9