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Query related to device naming of SATA

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Operating Systems Solaris Query related to device naming of SATA
# 1  
Old 10-08-2009
Query related to device naming of SATA
Friends,
Could u please clarify how does a Solaris 10 machine recognize a SATA hard disk, SATA CD/DVD drives.
Will it recognize it like a SCSI? eg.c0t0d0 or like ide ? eg.c0d0


thank u.
# 2  
Old 10-08-2009
it will see it as both... c0d0p0 for the fdisk partition and the solaris partion (labeld by fdisk as solaris2) will be seen as c0t0d0sx.
# 3  
Old 10-10-2009
Quote:
Originally Posted by DukeNuke2
it will see it as both... c0d0p0 for the fdisk partition and the solaris partion (labeld by fdisk as solaris2) will be seen as c0t0d0sx.
Is this really because of the platform on which the OS runs, meaning, if it was on x86 or sparc ?
# 4  
Old 10-12-2009
Quote:
Originally Posted by DukeNuke2
it will see it as both... c0d0p0 for the fdisk partition and the solaris partion (labeld by fdisk as solaris2) will be seen as c0t0d0sx.
I am not sure, but SATA on Sparc???
Generally on i386 are disks visible like c0d0pX.
# 5  
Old 10-12-2009
Quote:
Originally Posted by brusell
I am not sure, but SATA on Sparc???
Generally on i386 are disks visible like c0d0pX.
where is the talk about sparc?

also note:

Code:
root@solaris # format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
       0. c0d0 <DEFAULT cyl 2085 alt 2 hd 255 sec 63>
          /pci@0,0/pci-ide@1,1/ide@0/cmdk@0,0
       1. c2t0d0 <ATA-VBOX HARDDISK-1.0-2.00GB>
          /pci@0,0/pci8086,2829@d/disk@0,0

for IDE disks your remark is right but for SATA it is the well known notation! and the question was about SATA disks... the above output is from vbox on intel system with c0=IDE and c2=SATA controller.
Last edited by DukeNuke2; 10-12-2009 at 04:39 PM..
# 6  
Old 10-12-2009
The SATA framework is using the SCSI driver (sd) so sata disks are named with the same scheme as SCSI (c*t*d*[ps]*). IDE disks are handled by the cmdk driver and are named with no target (c*d*[ps]*).
# 7  
Old 10-12-2009
Quote:
Originally Posted by jlliagre
The SATA framework is using the SCSI driver (sd) so sata disks are named with the same scheme as SCSI (c*t*d*[ps]*). IDE disks are handled by the cmdk driver and are named with no target (c*d*[ps]*).
This is correct assuming of course that the SATA drives are operating in native mode. However many systems also support SATA in IDE compatibility mode which will appear to the OS as IDE and thus be cXtY[sp]. It is a small point but worth noting none the less.
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