File system creation procedure

  1. Create volume groups

    Two volume groups, pdvg and segvg, are created to contain the /var/pd and /var/psf/segments file systems. Creating separate volume groups helps spread I/O across multiple actuators, which can improve performance. The pdvg volume group contains the important InfoPrint Manager database objects and should be backed up at regular intervals. The segvg volume group contains the segmented print files, and can be considered to be transient data. If you have multiple hard drives available for use with segvg, striping across these disks provides multiple heads accessing the data for faster I/O performance, which is useful when driving high speed/high resolution printers.

    Note: A 128 MB Physical Partition size is recommended for 73.4GB drives. If your server has larger or smaller drives, you should adjust this value proportionally.
    1. Create pdvg volume group:
      smitty mkvg
      		VOLUME GROUP name								[pdvg]
      		Physical partition SIZE in megabytes	[128]
      		PHYSICAL VOLUME names						[hdisk1]
      		Activate volume group AUTOMATICALLY	[yes]
      	 	 at system restart?
      		Volume Group MAJOR NUMBER					[]
      		Create VG Concurrent Capable?			[no]
      		Auto-varyon in Concurrent Mode			[no]
      		LTG Size in kbytes							[256]
      Commandline:
      mkvg -f -y'pdvg' -s'128' hdisk1
    2. Create segvg volume group
      smitty mkvg
      		VOLUME GROUP name									[segvg]
      		Physical partition SIZE in megabytes		[128]
      		PHYSICAL VOLUME names							[hdisk2 hdisk3]
      		Activate volume group AUTOMATICALLY		[yes]
      		 at system restart?
      		Volume Group MAJOR NUMBER						[]
      		Create VG concurrent capable?				[no]
      		Auto-varyon in Concurrent Mode				[no]
      		LTG size in kbytes								[128]
      Commandline:
      mkvg -f -y'segvg' -s'128' hdisk2 hdisk3
      Note: You need to divide the drives your server has available between your Volume Groups.

  2. Create logical volumes

    The logical volumes are created to contain the file systems. Since /var/psf/segments is a third level directory, /var/psf must be created first, so that it is mounted before /var/psf/segments. If for some reason you create them in the wrong order, you will need to edit /etc/filesystems to correct the order. Try to avoid this.

    To calculate the number of LOGICAL PARTITIONS, issue lsvg pdvg to get the number of free physical partitions available on the hard drive. Use a number roughly 30 less than the number of free physical partitions to fill the entire drive with the volume group.

    1. Create lvpd logical volume
      smitty mklv
      Volume Group name											[pdvg]
      		
      		Logical volume NAME								[lvpd]
      		VOLUME GROUP name									[pdvg]
      		Number of LOGICAL PARTITIONS					[512]
      		PHYSICAL VOLUME names							[hdisk1]
      		Logical volume TYPE								[jfs]
      		POSITION on physical volume					middle
      		RANGE of physical volumes						minimum
      		MAXIMUM NUMBER of PHYSICAL VOLUMES			1
      			to use for allocation
      		Number of COPIES of each logical			1 
      			partition
      		Mirror Write Consistency?						active
      		Allocate each logical partition copy		yes
      			on a separate physical volume
      		RELOCATE the logical volume during 		yes
      			reorganization	
      		Logical Volume label							/var/pd
      		MAXIMUM NUMBER of LOGICAL PARTITIONS		512
      		Enable BAD BLOCK relocation					yes
      		SCHEDULING POLICY for reading/writing		parallel
      			logical partion copies
      		Enable WRITE VERIFY?							no
      		File containing ALLOCATION MAP				[]
      		Stripe Size											[Not Striped]
      Commandline:
      mklv -y'lvpd' -t'jfs' -u'1' -L'/var/pd' pdvg 512 hdisk1
    2. Create lv01 logical volume
      smitty mklv
      Volume Group NAME 			[rootvg]
      	
      		Logical Volume NAME 							[lv01]
      		VOLUME GROUP name									[rootvg]
      		Number of LOGICAL PARTITIONS					[512]
      		PHYSICAL VOLUME names							[hdisk0]
      		Logical volume TYPE								[jfs]
      		POSITION on physical volume					middle
      		RANGE of physical volumes						minimum
      		MAXIMUM NUMBER of PHYSICAL VOLUMES			1
      			to use for allocation
      		Number of COPIES of each logical 			1
      			partition		
      		Mirror Write Consistency?						active
      		Allocate each logical partition copy		yes
      			on a separate physical volume
      		Relocate the logical partition during 	yes
      			reorganization	
      		Logical Volume label							/var/psf
      		MAXIMUM NUMBER of LOGICAL PARTITIONS		512
      		Enable BAD BLOCK relocation					yes
      		SCHEDULING POLICY for reading/writing		parallel
      			logical partion copies
      		Enable WRITE VERIFY?							no
      		File containing ALLOCATION MAP				[]
      		Stripe Size											[Not Striped]
      Commandline
      mklv -y'lv01' -t'jfs' -u'1' -L'/var/psf/' rootvg 512 hdisk0
    3. Create lvpsfs logical volume
      smitty mklv
      Volume Group name				[segvg]
      	
      		Logical volume NAME								[seglv]
      		VOLUME GROUP name									[segvg]
      		Number of LOGICAL PARTITIONS					[512]
      		PHYSICAL VOLUME names							[hdisk2 hdisk3]
      		Logical volume TYPE								[jfs]
      		POSITION on physical volume					middle
      		RANGE of physical volumes						minimum
      		MAXIMUM NUMBER of PHYSICAL VOLUMES			2
      			to use for allocation
      		Number of COPIES of each logical			1 
      			partition		
      		Mirror Write Consistency?						active
      		Allocate each logical partition copy		yes
      			on a separate physical volume
      		RELOCATE the logical volume during 		yes
      			reorganization	
      		Logical Volume label							/var/psf/segments
      		MAXIMUM NUMBER of LOGICAL PARTITIONS		512
      		Enable BAD BLOCK relocation					yes
      		SCHEDULING POLICY for reading/writing		parallel
      			logical partion copies
      		Enable WRITE VERIFY?							no
      		File containing ALLOCATION MAP				[]
      		Stripe Size											[Not Striped]
      Note: To stripe /var/psf/segments, use 128K for the Stripe Size.
      Commandline:
      mklv -y'lvpsfs' -t'jfs' -u'2' -L'/var/psf/segments' 
      segvg 512 hdisk2 hdisk3
  3. Create file systems in logical volumes

    Three file systems are created for InfoPrint Manager to use during installation. The size of file system information would be determined by the size of the SCSI disk drives. A reasonabl