Tuesday, June 9, 2009

Disk Slices

Disk Slices

0 / 1 swap 2 Entire Disk 5 /opt 6 /usr 7 /export/home

/dev – Logical Device Names /devices – Physical Device Names

/etc/path_to_inst - For each device, the system records its physical and instance name

# prtconf - Shows system information including memory size

# devfsadm  Will search and configure new devices added.

# devfsadm –c disk

# devfsadm –i

# devfsadm –v - To print changes made to the /dev and /devices directory

# devfsadm –c - To invoke cleanup routines that remove unreferenced symbolic links for devices

# format

Format> label -To store partition details.

Format> fdisk -To create partitions

Format> verify - Display partition details

Format> partition -To get into partition menu

Format> save - Saving new disk and partition :/etc/format.dat

Partition> 0 - Change 0 partition

select - Select a predefined table

modify - Modify a predefined partition table

name - Name the current table

print - Displays the current table

label - Write partition map and label to the disk

# prtvtoc /dev/rdsk/c1t0d0s2 - To view disk table

# prtvtoc /dev/rdsk/c1d0s2 > /in - To save disk partition details to /in file

# fmthard –s /in /dev/rdsk/c1d0s2  To load partition detail from file to disk

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