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Tuesday, 17 January 2012

Mirrroing Constraints in IBM AIX and HP_UNIX

Steps to mirroring in IBM AIX:

1) # lspv : Command to view the Physical volume in none state.

2) # mkvg -y <vgname> -s <PP Size> <Physical Volumes.....> : Command to create a Volume Group.

3) # mklv -y <lvname> -t <filesystem type> -c <no.of. copies> <volume group name> <no.of PP's> <Physical Volume Names> : Command to create a logical volume.

4) # crfs -v <filesystem type> -d </dev/logical_volume_name> -m <mount point> -A y : Command to create a file system.

5) # mount /<mount point> : Command to mount a file system.

Hp_Unix

1) # isocan -funC disk : Command to view the disk available in the machine.

2) # pvcreate /dev/rdsk/c0t0d0 : Command to create a physical volume.
    # pvcreate /dev/rdsk/c0t0d1 : Command to create a physical volume.

3) # vgcreate <Volume Group name> /dev/dsk/c0t0d0 /dev/dsk/c0t0d1 : Command to create a volume group.

4) # vgdisplay -v <Volume Group name> | grep "PV Name" : View the physical volumes that created this volume group.

5) # lvcreate -n <Name of the logical volume> -L <Size of the logical volume> -m <no.of.copies> <volume group name>

6) # lvdisplay -v <logical volume name> : View the created a logcial volume with copies on the physical volume.

7) # newfs -F vxfs <Raw logical volume name> : Command to format the logical volume.

8) # mount <logical volume name > <mount point> : Command to mount.


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