To
apply a TL while you are doing clonning
#
alt_disk_copy -I acNgXY -P all -b update_all -l
/fixpackfs/AIX_fix_packs/5300-08-10-1015 -d hdisk1
smitty alt_mksysb To
run an alternate mksysb
smitty alt_clone To
run an alternate rootvg on disk
#
alt_disk_copy -d hdisk1 To
clone a rootvg on hdisk1
#
alt_disk_copy -e /etc/exclude.rootvg -d
hdisk1 To clone a rootvg on hdisk1 with
exclude some of the files
#
alt_rootvg_op -X altinst_rootvg To
de-clone a rootvg
#
alt_rootvg_op -q -d hdisk0 To
determine the boot disk for a volume group with multiple PV
#
alt_rootvg_op -v alt_disk_530 -d hdisk2 To
modify an alt_disk_install volume group name
#
alt_rootvg_op -W -d hdisk0 To
"wake up" an original rootvg after booting from the new alternate
disk
#
alt_rootvg_op -S -t To
"put to sleep" a volume group that had experienced a
"wake-up"
#
alt_rootvg_op -d "hdisk3 hdisk4" -b update_all -l /updates To update the alternate rootvg to the
latest fileset levels available
in /updates and install them into the alternate root volume group
To create a bff
image
# gencopy -X -b
"-qv" -d /fixpackfs/AIX_fix_packs/5300-09-00-0846 -t /usr/sys/inst.images -f File 2>&1
OR
smitty bffcreate
# lslpp –l To
see what maintenance level your filesets
# lslpp –f To
list the individual files that are installed with a particular fileset
# lslpp -h
bos.sysmgt.trace To
list the installation and update history of filesets
# instfix -T -d
/dev/cd0 To
list fixes that are on a CD-ROM
# instfix -ik
IY73748 To
determine if APAR IX75893 is installed
# instfix -aik
IY73748 To
examine information about APAR IX75893 and what it does
# instfix -i | grep
ML To
list what maintenance levels have been installed
# instfix -k
IY73748 -d /dev/cd0 To
install APAR IY73748 from /dev/cd0
smitty
show_apar_stat Show
the apar statistic
smitty
update_by_fix. To
install the fixes using SMIT
smitty update_all To
install all new fixes that are available from IBM
smitty assist To
call the Configuration Assistant
smitty alt_install To
create alternate installation disk
smitty alt_clone To
clone your rootvg to a new disk
smitty alt_mksysb To
create the alternate mksysb system
# lppchk -c X11.adt.include Check
to ensure all fileset are installed correctly
# lppchk -l X11.adt.include Verifies
the symbolic link for filesets
# lppchk –v How
to verify if all filesets are correctly installed
# mkitab "xcmd:2:respawn:find / -type f >
/dev/null 2>&1" Add
a record named xcmd on the /etc/inittab
# lsitab xcmd Show
the new record with the lsitab
# rmitab xcmd To
delete this record from the /etc/inittab file
# chitab "xcmd:2:once:find / -type f >
/dev/null 2>&1" Change
the action field on the record xcmd from respawn to once
# bootlist -m normal –o To
display a boot list
# bootlist -m normal cd0 hdisk0 To make changes to your normal boot list
# bootlist -m normal -f filename To make changes to your normal boot
list using file
# cat /etc/.init.state Identifying
the current run level
# odmget -q "type LIKE lv*" PdDv To interrogate ODM PdDv
class about all objects
# odmget lpp|head -30 To
interrogate the lpp class
Configuration Commands
# mknfs –N To start the NFS daemons immediately
#startsrc -g nfs System
Resource Controller to start
smitty mknfsexp To
export the directory
smitty rmnfsexp Un-export
an NFS directory
smitty mknfsmnt To
establish predefined mounts through SMIT
smitty chnfsexp Changing
an exported file system
# showmount -e It
shows what is exported by current server
# showmount -e servername It
shows what is exported by servername
# /usr/sbin/exportfs –a Tells
the kernel to reread the exportfs file, that have edited
# exportfs -i /dirname Exporting an NFS directory temporarily
# exportfs -u /dirname Un-export
the file system on the server
# umount /backup To
unmount an explicitly or automatically mounted NFS
# cat /etc/netsvc.conf The
default hostname resolution order specification
smit mkroute To
add a route to the private network through the gateway
smit mktcpip To
change or set IP addresses
# lsdev -Cc if To
identify network interfaces on your server
# ifconfig –a To
identify all network interfaces configured on your server
# ifconfig Interface To
get information about one specific network interface
# ifconfig tr0 up To
activate a network interface using ifconfig
# ifconfig tr0 10.1.2.3 netmask 255.255.255.0 up To activate a network interface
and assign IP and netmask
# ifconfig Interface down To deactivate an interface
# ifconfig tr0 delete To
delete the network address from tr0
# ifconfig tr0 detach To
remove the interface tr0 from the network interface list
# ifconfig tr0 10.1.2.3 mask 255.255.255.0 alias To bind the IP address of
10.1.2.3 to tr0 as a alias
# ifconfig tr0 10.1.2.3 mask 255.255.255.0 delete When this alias is no longer required, you can
remove it
# ifconfig en0 mtu 2000 To
change the MTU size of tr1
Adding network adapter
# lscfg |grep -i adapter network
adapters on your system
# lsdev -Cc if interfaces
are already on the system
Shut down and power off the system
Physically install the new network
adapter
Power on the system in normal mode
# cfgmgr
Removing network adapter
# ifconfig Interface down Deactivate all network
interface definitions for the network adapter
# ifconfig Interface detach Remove
(detach) all network interface definitions
# rmdev -l Interface –d Delete
the network interface definitions
# rmdev -l Adapter –d Delete
the network adapter definition
# shutdown -F now Shutdown
the system
Physically remove the network
adapter
Power on the system
Smitty chgenet To
change the media speed for an Ethernet adapter
# pg /etc/swapspaces All
paging related information is listed in this file
# lsps –a To
display all info about paging space
# lsps –s To
see the total paging space used by system
# chps -s 3 hd6 To
increase the size of hd6
# chps -d 1 hd6 To
decrease the size of hd6
# migratepv -l hd6 hdisk0 hdisk1 To move the default (hd6) paging space from
hdisk0 to hdisk1
# swapoff DeviceName To
deactivate paging space
# swapon DeviceName To
activate the paging space
# rmps paging03 To
removed paging space
Reducing the size of hd6 paging space: this is applicable only on below
version 5L
# mkps -a -n -s 30 rootvg hdisk0 Create a temporary
paging space on rootvg
# chps -a n hd6 to
deactivate the hd6 paging spaces
Change the paging space entry in the
/sbin/rc.boot from swapon /dev/hd6 to swapon /dev/paging00
# sysdumpdev –l to
check the primary dump device designation
# sysdumpdev -P -p /dev/paging00 change it to some other
paging space
# bosboot -d /dev/hdisk0 –a Create a
bootable image with the bosboot command
# shutdown –r shutdown the
operating system and reboot
# rmps hd6 After the
system reboots, remove the hd6 paging space
# mklv -t paging -y hd6 rootvg 30 Create a new paging space LV of the size 120 MB for the hd6
# sysdumpdev -P -p /dev/hd6 Change the primary
dump device designation
Change the paging space entry in the
/sbin/rc.boot file from swapon /dev/paging00 to swapon /dev/hd6
# bosboot -d /dev/hdisk0 –a Create a
bootable image with the bosboot command
# chps -a y hd6 to
make the new hd6 paging space automatically activate when reboot
# shutdown –r Reboot the system
# rmps paging00 After
the system reboots, remove the temporary paging space
# lsdev -P –H To
list all devices in the Predefined Devices object class
# lsdev -C –H To
list all the devices in the Customized Devices object class
# lsdev -C -c adapter -S a To
list the adapters that are in the Available state
# lsdev -P -r class To
list all the classes of supported devices on your system
# lsdev -C -c disk To
show the disk drives on your system
# lscfg To
display the system configuration
# lscfg -v -p -l rmt0 To
display the VPD for about rmt0
# lscfg -v -p -l ent2 To
obtain the physical location and firmware version of eth0
# lsattr -l rmt0 –D To
list the default attribute values for the tape device rmt0
# lsattr -l rmt0 -E To
list the current attribute values for the tape device rmt0
# lsattr -l scsi0 -a bus_intr_lvl –E To list the current value of the
bus_intr_lvl attribute
# lsattr -l scsi0 -a bus_intr_lvl –D To list the default value of the bus_intr_lvl attribute
# chdev -l ent0 -a media_speed=100_Full_Duplex -P Change the media_speed forcefully to
100_Full_Duplex
# chdev -l ent0 -a media_speed=Auto_Negotiation Change to auto negotiate for speed
duplex
# mkdev -l rmt0 To
make the predefined rmt0 tape device available to use
# rmdev -l rmt0 To
make available rmt0 to defined state
# rmdev -dl rmt0 To
unload the device configuration from the ODM
# chdev -l rmt0 -a attr=value To change the attribute of the rmt0
device
smitty devices Smit
screen to configure devices
smitty chdev Smit
screen to change device attribute
smitty rmdev Smit
screen to remove the device configuration from ODM
# lssrc -a List
all services and their status
# startsrc -g Start
network service group
# startsrc -s Start
network service subsystem
# stopsrc -g Stop
network service group
# /usr/lib/errdemon To
start the error daemon
# /usr/lib/errdemon –l To
determine the path to your system's error log file
# /usr/lib/errdemon -s 2000000 To change the maximum size of the error
log file
# /usr/lib/errdemon -B 16384 To
change the size of the error log device driver's
# errpt To
display a complete summary report of the errors
# errpt –a To
display a detailed report of all the errors encountered
# errpt -a -j E19E094F To
display a detailed report of all errors logged error identifier E19E094F
# errpt -a -s 0828093001 Displaying
the errors by time reference
# errlogger Testing use of errlogger command To log operator messages to the system
error log
# errclear 0 Deletes
all entries from the error log
# errclear -d S 0 To
delete all entries in the error log classified as software errors
# errinstall Installs
messages in the error logging message sets
# errupdate Updates
the Error Record Template repository
# bindprocessor –q Query
the available processors
# smtctl -m off -w now To
turn off simultaneous multithreading immediately
# smtctl -m on -w boot To
turn on simultaneous multithreading after the next reboot
# chdev -l hdisk7 -a pv=yes Assigning
a PVID to a physical volume
# chdev -l hdisk7 -a pv=clear Clears the PVID from the physical
volume
Reconfiguring a system from a 32-bit to a 64-bit kernel
To
identify the type of system hardware you have, either 32-bit or 64-bit, execute
the bootinfo -y command. If the command returns a 32, you
cannot use the 64-bit kernel.64-bit kernel information stored in the
/usr/lib/boot.
unix_mp 32-bit
kernel for multiprocessor systems
unix_64 64-bit
kernel for 64-bit processor systems
# ln -sf
/usr/lib/boot/unix_64 /unix
# ln -sf
/usr/lib/boot/unix_64 /usr/lib/boot/unix
# bosboot -ad
/dev/ipldevice
bosboot:
Boot image is 23137 512 byte blocks.
# shutdown
-r
# ls -al
/unix
lrwxrwxrwx
1 root system 21 Nov 11 11:30 /unix -> /usr/lib/boot/unix_64
Logical Volume Management Commands
# lspv hdisk2 To
display detailed information about a physical volume
# lspv -l hdisk0 To
display the names of all the lv that have at least one partition on pv
# lspv -p hdisk0 To
display the allocation of PPs to logical volumes
# lspv -M hdisk0|more To
display the layout of a physical volume
# chpv -an hdisk2 Disabled
the ability to allocate new free physical partitions
# chpv -ay hdisk2 To
turn on the allocation permission
# chpv -vr hdisk3 Makes
hdisk3 unavailable
# chpv -va hdisk3 Makes
hdisk3 available again
# chpv -c hdisk1 To clear the boot record
located on physical volume hdisk1
# chpv -hy hdisk3 To
define hdisk3 as a hot spare
#chpv -hn hdisk3 To
remove hdisk3 from the hot spare pool
# migratepv hdisk1 hdisk5 Migrates the data
from hdisk1 to hdisk5
# migratelp testlv/1/2 hdisk5/123 Migrates the data from the second copy
of the logical partition number 1 of
logical volume to hdisk5 on physical partition 123.
# lquerypv -M hdisk0 To
find the LTG size for a physical disk
# lsvg To
display all volume groups known to a system
# lsvg –o To
display all active volume groups
# mkvg -y vg1 -s64 -V99 hdisk4 Creating an original volume group
# mkvg -B -y vg2 -s 128 -f -n -V 101 hdisk6 Creating a big volume group
# mkvg -S -y testvg -s 1 -f hdisk3 hdisk4 hdisk5 Creating a scalable volume group
# lsvg testvg To
display details about a specific volume group
# lsvg -l rootvg To
display logical volumes contained in a volume group
# lsvg -p test1vg To
display all physical volumes contained in a volume group
# chvg -ay newvg Testvg
to be activated automatically the next time the system is restarted
# chvg -an newvg Not
be activated automatically next time the system is restarted
# chvg -Qn testvg To
turn off the quorum
# chvg -Qy testvg To
turn on the quorum
# chvg -hn test1vg Changes
the hot spare policy of the volume group
# chvg -sy test1vg Changing
synchronization policy of a volume group
# chvg -hy test1vg Changes
the hot spare policy of the volume group
# chvg -hn test1vg Changes
the hot spare policy of the volume group to no
# chvg -t 16 testvg Change
the maximum number of physical partitions per physical volume
# chvg -G db2vg Changing
a volume group format
# chvg -L 128 testvg Change
the LTG size for the testvg volume group
# chvg -P 2048 testvg Changing
the maximum number of physical partitions
# chvg -v 4096 testvg Changing
the maximum number of logical volumes
# chvg –u Remove
the lock of volume group
# extendvg test1vg hdisk7 Extend
a volume group with hdisk7
# extendvg -f test1vg hdisk4 Extend
a volume group with hdisk4 forcefully
# reducevg testvg hdisk7 Reduce
volume group with hdisk7
# reducevg -d testvg hdisk7 Reduce
volume group with hdisk7 forcefully
# synclvodm testvg To
synchronize ODM to contain the latest LVM information for VG
# exportvg testvg To
export the volume group testvg
# importvg -y testvg hdisk7 Import
volume group testvg using hdisk7
# varyoffvg testvg Varyoff
volume group
# varyonvg testvg Varyon
volume group
# syncvg -p hdisk4 hdisk5 To
synchronize the copies located on pv hdisk4 and hdisk5
# syncvg -v testvg To
synchronize the all physical partitions from volume group testvg
# mirrorvg rootvg To
mirror a rootvg on another disk
Mirroring a rootvg
# bootinfo –s hdisk1 To
check the size of disk
# bootinfo –s hdisk0 To
check the size of disk
# extendvg rootvg hdisk1 To add a new disk to
rootvg
# Mirrorvg rootvg hdisk1 To mirror
a rootvg on hdisk1
# bosboot –ad /dev/hdisk1 To create boot
logical volume on hdisk1
# bootlist –m normal hdisk0 hdisk1 To set the bootlist
# splitvg -y newvg -c 1 test1vg To split a volume group
# joinvg test1vg To
rejoin the two copies of the volume group test1vg
# lslv lv1 To
display details about a specific logical volume
# lslv -l lv1 Displays
a LV on which disk and In Band policies
# lslv -m lv1 To
display LPs and PPs number
# mklv -y lv3 -t jfs2 -a im test1vg 10 hdisk5 Create a logical volume
# extendlv lv05 3 Extend
a logical volume with 3 PP
# rmlv lv7 Remove
a logical volume
# rmlv -f lv1 Remove
a logical volume without confirming
# chlv -x 1000 lv1 Sets
the maximum number of logical partitions allocated to LV
# cplv -v dumpvg -y lv8 lv1 To
copy LV lv1 to the dumpvg volume group under the name of lv8
# mklvcopy -k lv1 3 hdisk7 & To create and synchronize extra copies
of logical partitions
# splitlvcopy -y copylv testlv 2
# rmlvcopy testlv 2 hdisk6
