File systems
WAS file systems
First confirm disk is part of volume group
root@mhost / # lsvg -p appvg appvg: PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION hdisk0 active 399 399 80..80..79..80..80 root@mhost / # lspv hdisk0 PHYSICAL VOLUME: hdisk0 VOLUME GROUP: appvg PV IDENTIFIER: 00c609d7bdbe5686 VG IDENTIFIER 00c609d700004c0000000141bdbe56dc PV STATE: active STALE PARTITIONS: 0 ALLOCATABLE: yes PP SIZE: 256 megabyte(s) LOGICAL VOLUMES: 0 TOTAL PPs: 399 (102144 megabytes) VG DESCRIPTORS: 2 FREE PPs: 399 (102144 megabytes) HOT SPARE: no USED PPs: 0 (0 megabytes) MAX REQUEST: 512 kilobytes FREE DISTRIBUTION: 80..80..79..80..80 USED DISTRIBUTION: 00..00..00..00..00 MIRROR POOL: NoneThen create filesystem
echo "Making the /dev/fslv00 logical volume" mklv -y fslv00 -t jfs2 appvg 160 hdisk0 echo "Making the /opt/IBM file system" crfs -v jfs2 -d fslv00 -m /opt/IBM -A yes -p rw -a agblksize=4096 -a isnapshot=no echo "Mounting /opt/IBM" mount /opt/IBMFor mklv we calculate size based on no of PP's and size. If appvg has a pp size of 256Mb. For a 40 GB filesystem we need 160 PPs.
Verify...
# df -g Filesystem GB blocks Free %Used Iused %Iused Mounted on /dev/hd4 0.56 0.37 36% 10317 11% / /dev/hd2 2.44 0.15 94% 47456 54% /usr /dev/hd9var 2.06 1.71 18% 8713 3% /var /dev/hd3 3.12 3.12 1% 62 1% /tmp /dev/hd1 3.06 3.06 1% 5 1% /home /dev/hd11admin 10.00 9.63 4% 31 1% /admin /proc - - - - - /proc /dev/hd10opt 0.44 0.17 61% 9070 19% /opt /dev/livedump 0.25 0.25 1% 4 1% /var/adm/ras/livedump /dev/fslv00 40.00 40.00 1% 4 1% /opt/IBM