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Full Discussion: Why do controllers differ between physical and logical names
Operating Systems Solaris Why do controllers differ between physical and logical names Post 302494996 by James_UK on Wednesday 9th of February 2011 04:42:17 AM
Old 02-09-2011
Why do controllers differ between physical and logical names
When I look at format I can see the following info:

Code:
AVAILABLE DISK SELECTIONS:
       0. c1t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1c,600000/scsi@2/sd@0,0
       1. c1t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1c,600000/scsi@2/sd@1,0


Can anyone tell me why the logical name shows the disks on controller 0 but the physical shows then on controller 2?

Thanks in advance.
Last edited by DukeNuke2; 02-09-2011 at 06:32 AM..
 

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LEARN ABOUT NETBSD

artsata

ARTSATA(4)						   BSD Kernel Interfaces Manual 						ARTSATA(4)

NAME

     artsata -- Intel i31244 Serial ATA disk controller driver

SYNOPSIS

     artsata* at pci? dev ? function ? flags 0x0000
     options PCIIDE_I31244_DISABLEDMA

DESCRIPTION

     The artsata driver supports the Intel i31244 Serial ATA and controllers, and provides the interface with the hardware for the ata(4) driver.

     The 0x0002 flag forces the artsata 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 SATA 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

     Early samples of the Intel i31244 Serial ATA controller revision 0 had a bug affecting DMA data transfers.  Full production samples have been
     fixed, but have the same revision number.	The PCIIDE_I31244_DISABLEDMA option can be used to disable DMA on the buggy revisions.

BSD
								 February 12, 2005							       BSD
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