OpenSolaris 2008.11 Hard Drive Device mapping


 
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Operating Systems Solaris OpenSolaris 2008.11 Hard Drive Device mapping
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Old 12-21-2008
Question OpenSolaris 2008.11 Hard Drive Device mapping

Dear Solaris Experts,

I am a bit confused about OpenSolaris Hard Drive device mapping. On RedHat Linux based system, an IDE on first channel master drive is mapped as /dev/hda, first channel slave drive will be /dev/hdb, etc.

For (Open)Solaris systems I found it as /dev/rdsk/c3d0p0 :


myself@myopensolaris:/dev# format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
0. c3d0 <DEFAULT cyl 1539 alt 2 hd 255 sec 63>
/pci@0,0/pci-ide@1f,1/ide@0/cmdk@0,0



myself@myopensolaris:/dev/rdsk# prtvtoc ./c3d0p0
* ./c3d0p0 partition map
*
* Dimensions:
* 512 bytes/sector
* 63 sectors/track
* 255 tracks/cylinder
* 16065 sectors/cylinder
* 1541 cylinders
* 1539 accessible cylinders
*
* Flags:
* 1: unmountable
* 10: read-only
*
* Unallocated space:
* First Sector Last
* Sector Count Sector
* 0 16065 16064
*
* First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 16065 24691905 24707969
2 5 01 0 24724035 24724034
8 1 01 0 16065 16064


note :
This printout is generated on IBM Thinkpad T42 with 40GB IDE HDD (NOT SATA) on the second partition.

My questions are :
1. Is there any simple hard drive device mapping rules like Redhat/Linux systems ?

2. How can I identify slave hard drive in the first IDE Channels ? On Redhat/Linux, this drive will be mapped as /dev/hdb.

3. How about SATA drives ? In Linux this drive is mapped as
/dev/sda, /dev/sdb, etc. Same thing also for SCSI drives.

4. What is the meaning of
/pci@0,0/pci-ide@1f,1/ide@0/cmdk@0,0 ?

5. Is there any urls that explains the device mapping in a practical ways for Linux Adminstrators ?

6. How about IDE CD-ROM mapping?

7. How to format the correct partition using newfs (UFS) or create FS using ZFS ? In linux it is very simple.

Need more enlightement on this new environment.Smilie

For answers, any web URLs is more than enough for me to read and learn. I already asked uncle Google but still could not hit the correct page.

Many thanks in advance.Smilie

regards,


Zepiroth Hong.


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