Date: Tue, 13 May 2003 11:42:39 +0200 From: "Per olof Ljungmark" <peo@intersonic.se> To: "Aaron D. Gifford" <agifford@infowest.com> Cc: freebsd-questions@FreeBSD.org Subject: Re: sym: where did my drives go? Message-ID: <3EC0BE0F.80804@intersonic.se> In-Reply-To: <3EC04258.3040702@infowest.com> References: <3EC04258.3040702@infowest.com>
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Aaron D. Gifford wrote: > Per olof Ljungmark (peo@intersonic.se) said: >> I'm assembling a Compaq 1850R with attached storage system. For the >> built in scsi controller, there are three drives internally on channel >> 1 + 5 drives externally on channel 2. >> During boot, I can see all disks being identified first by the machine >> itself and then in the early part of the process, by the kernel >> (something scrolls by talking about BIOS drive numbering). >> >> However, the result is not 8 drives but 5 in total in a mix between >> the channels, see below. >> > > > We ran into a perhaps similar problem with 4.8-RELEASE and 4.8-STABLE > when we attempted to upgrade an old Compaq Proliant machine on Friday. > Under 4.7, the sym driver would see all 5 SCSI drives. But after a > CVSupdate and build/install of world and reboot, the machine failed to > boot because the first drive, the root drive, was no longer visible to > the kernel. The FreeBSD boot loader could still see the drive, but the > kernel would never detect it. > > At first we couldn't figure out what was going wrong. After some hours > including an attempt to install 4.8-RELEASE on another drive that also > failed because of the disappearing drive problem, we reinstalled > 4.7-RELEASE and have been running RELENG_4_7 since. I think our old > system uses the NCR 875 chipset. > > Anyone know what changes between 4.7 and 4.8 to sym might be responsible > for the disappearing drive trick? Just to confirm: We installed 4.7-RELEASE on same machine and all drives are identified correctly. Perhaps one should starrt a thread in -STABLE... Per olof
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