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| SUN Solaris The Solaris Operating System, usually known simply as Solaris, is a free Unix-based operating system introduced by Sun Microsystems . |
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12-21-2008
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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.  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.  regards, Zepiroth Hong. |
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