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How to Create Logical Volumes on Solaris

Novell Cool Solutions: Tip
By Harshwardhan Pradhan

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Posted: 23 May 2006
 

Problem

If the administrator has two or more hard disks in his/her machine & he/she wants to keep his/her large data or dib which can occupy two or more hard disks, then he/she has to create a logical volume including two or more hard disks.

Solution

# Make sure that there is no data in the volumes you want to merge.

# Unmount the volumes you want to merge.
umount /export/home10
umount /export/home9
 
# Create metadatabase entry at the end of /etc/lvm/md.tab file.
mddb01 /dev/dsk/c1t2d0s7 /dev/dsk/c1t13d0s7
 
# Create the metadatabase.
metadb -a mddb01

# Create metadevices entry at the end of /etc/lvm/md.tab file.
d10             2 1 /dev/dsk/c1t2d0s7 1 /dev/dsk/c1t13d0s7
 
# Initialize/Configure the metadevices.
metainit d10

# Create the new file system.
newfs /dev/md/rdsk/d10
 
# Mount the filesystem.
mount /dev/md/dsk/d10 /export/home10
 
# Update /etc/vfstab file.
/dev/md/dsk/d10 /dev/md/rdsk/d10        /export/home10   ufs     2       yes

# df -h command will show the new logical volume created.


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