04-25-2011
Change Disk controller in SCO 6.0.0
So today I tried to upgrade a customer from a Proliant with an HPSAS controller to an Intel server with a MEGASAS controller.
First, I downloaded the megasas driver from SCO and installed it on the old system.
Then I created a new Microlite Edge emergency boot cd with the new driver on it.
I then backed up the old root file system to dvd, and after booting the new system with the newly created Recoveredge cd, created new file systems and restored from the dvd.
All went well until I tried to boot the new system from the disk.
It failed because it could not find the HPSAS disk controller.
So my question is: did I forget to do something on the old system after installing the new driver and before doing the backup, or should I have done something on the new system after the restore, and before rebooting from the new disk.
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LEARN ABOUT NETBSD
piixide
PIIXIDE(4) BSD Kernel Interfaces Manual PIIXIDE(4)
NAME
piixide -- Intel IDE/SATA disk controllers driver
SYNOPSIS
piixide* at pci? dev ? function ? flags 0x0000
DESCRIPTION
The piixide driver supports the Intel PIIX, PIIX3, PIIX4, and 82801 (ICH/ICH0/ICH2/ICH3/ICH4/ICH5/ICH6/ICH7/ICH8/ICH9/ICH10) IDE/SATA con-
trollers and provides the interface with the hardware for the ata(4) driver.
The 0x0002 flag forces the piixide driver to disable DMA on chipsets for which DMA would normally be enabled. This can be used as a debug-
ging aid, or to work around problems where the IDE controller is wired up to the system incorrectly.
SEE ALSO
ata(4), atapi(4), intro(4), pci(4), pciide(4), wd(4), wdc(4)
BUGS
The timings used for the PIO and DMA modes for controllers listed above are for a PCI bus running at 30 or 33 MHz. This driver may not work
properly on overclocked systems.
BSD
July 30, 2010 BSD