Virtual I_O Server(VIOS) useful commands « AIX Solaris HPUX UNIX Linux system storage administration ksh_perl scripting

Virtual I/O Server(VIOS) useful commands « AIX Solaris HPUX UNIX Linux system storage administration ksh/perl scripting

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December 7, 2010 12:54 pm

Virtual I/O Server(VIOS) useful commands by admin in AIX

Initialize the LPAR Configuration : # mkgencfg -o init [OS] Software Management :

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To display VIO Server level:

NIM SSH Printing filesystem

# ioslevel

login Error

To update the IOS software:

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HMC

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backup mksysb HACMP lvm LDAP ODM

command NPIV debug jfs2

# updateios –dev /update -

VIOS

To installs a new filesets (mainly used for TL updates):

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# updateios –dev /cd0 -install -accept

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To commit all applied :

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# updateios –commit

# backupios –cd /dev/cd1 -udf

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To take the OS backup in a tape drive :

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To rejects all uncommitted updates : # updateios –reject To clean all incomplete pieces of the previous installation : # updateios –clean To remove a fileset : # updateios –remove fileset_name To take the OS backup in a CD ROM : # backupios –cd /dev/cd1 -cdformat To take the OS backup in a DVD-RAM :

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# backupios –tape /dev/rmt0 Just verifies the backup available in a tape : # backupios –tape /dev/rmt0 -verify Generates backup to a file. No user VGs are -nosvg back’d up : # backupios –file /opt/file1 To display the underlying AIX OS version : # oem_platform_level

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To open a non-restricted root shell : # oem_setup_env This shell is used mainly for the installation of vendor software such as device drivers. Remote Management : To enable remote_management using NIM master : # remote_management nim1 To disable remote management : # remote_management –disable License Management: To display the current license :

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# license –view To accept the license :

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# license –accept To view if the license has been accepted : # license Software Management: To list all the installed software : # lssw To list all the installed software and their history # lssw –hist Management of Virtual Terminals: To open a virtual terminal for partition with id 2 : # mkvt –id To close a virtual terminal for a partition with id 2 : # rmvt –id 2 Device Management: To change the attribute of a device permanently. # chdev -dev scsi0 -attr -perm Sometimes it reboots the system if perm is used To disable the path between hdisk1 and scsi0 : # chpath -dev hdisk1 -pdev scsi0 -op disable To configures the devices in the VIO server : # cfgdev To configures the devices attached to scsi0 adapter : # cfgdev –dev To unconfigure the cd-rom device : # rmdev –dev cd0 To unconfigure scsi adapter and its child devices : # rmdev –recursive –dev scsi1 To unconfigures the children of pci1 but not the PCI bus pci1 : # rmdev –pdev pci1


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Management of Virtual/Shared Devices: To create a virtual target device that maps lv20 as a virtual disk for a client partition hosted by the vhost0 virtual server adapter : # mkvdev -vdev lv20 -vadapter vhost0 Same as above except here hdisk is used instead of a logical volume : # mkvdev -vdev hdisk6 -vadapter vhost2 To create a SEA that maps the physical Ethernet adapter ent4 as a virtual adapter for the client partitions served by the virtual Ethernet adapters ent6 and ent7, using ent6 as the default adapter and 8 as the default id : # mkvdev -sea ent4 -vadapter ent6,ent7 -default ent6 -defaultid 8 To remove a virtual target device vtscsi9 along with its backing lv : # rmvdev –vdev vtscsi9 – To remove all virtual target device associated with backing device lv001 : # rmvdev –vdev lv001 To remove a specific virtual target device : # rmvdev –vtd vtscsi10 List Device Mapping: To list all virtual target devices and backing devices mapped to virtual server adapter vhost2 : # lsmap -vadapter vhost2 To list SEA and physical device mapped to virtual Ethernet Adapter ent4 : # lsmap -vadapter ent4 –net To list all virtual target devices and backing devices where backing devices are of type LV : # lsmap -all -type lv To list all network mapping : # lsmap –all –net How to list Devices : To display all the devices : # lsdev To display all the virtual devices : # lsdev –virtual To display all the virtual adapters : # lsdev –type adapter –virtual To display all the slots : # lsdev –slot s To display all the adapters : # lsdev –type adapter Few other device types: disk, lv, optical, tape, tty To list all physical Ethernet adapters and Etherchannel available for creating a SEA : # lsdev –type ent4sea



To list all virtual Ethernet adapters available for creating a SEA : # lsdev –type ven4sea To list all adapters over which ip address can be configured : # lsdev –type ent4ip To display parent device of a device : # lsdev –dev hdisk0 – To list disks names and physical location alone : # lsdev -type disk -field name physloc Logical Volume Manager : Volume Group To create a vg on hdisk1 : # mkvg -vg newvg hdisk1 To drain I/O’s for a vg and suspends future I/O’s : # chvg -suspend vg03 To resume normal I/O operations for a vg : # chvg -resume vg03 Unlock a VG if left in a locked state by abnormal termination of another lvm operation : # chvg -unlock vg03 To add a physical volume to a volume group : # extendvg vg3 hdisk3 To remove a PV from a VG : # reducevg vg01 hdisk1 To remove a PV and all residing LVs from a VG with no confirmation : # reducevg –rmlv –f vg01 To activate a vg : # activatevg vg03 To deactivate a vg : # deactivatevg vg03 To mirror the VIO Server’s rootvg to hdisk4 and reboots VIO Server : # mirrorios –force hdisk4 To mirror the VIO Server’s rootvg to hdisk4 but don’t reboot the server : # mirrorios –defer hdisk4 To remove the rootvg mirror from hdisk4 : # unmirrorios hdisk4 To import a VG from hdisk07 : # importvg –vg vg001 hdisk07 To export a VG : # exportvg vg3 Note: Volume Group containing a paging space can’t be exported To sync a VG : # syncvg –vg vg01



To sync a LV : # syncvg –lv lv001 To sync a PV : # syncvg –pv hdisk4 hdisk5 To redefine a VG based on the VGDA from hdisk04 : # redefvg –dev hdisk04 Logical Volume : To create a logical volume of size 1MB in vg01 : # mklv –lv lv001 vg01 1M hdisk1 To create a logical volume with mirror in place in vg01 of size 1GB : # mklv –mirror vg01 1G To extend an LV by 3MB : # extendlv lv01 3M To extend an LV by 1GB with space taken from hdisk5 : # extendlv lv01 1G hdisk5 To remove a logical volume : # rmlv lv05 To display the properties of a logical volume : # lslv lv03 To display info about LV by Physical volume : # lslv –pv lv03 To display LVs that can be used as backing devices : # lslv –free To make a copy for lv01 in hdisk03 : # mklvcopy lv01 hdisk03 To remove lv01’s copy from hdisk03 : # rmlvcopy lv01 hdisk03 To copy the contents of lv01 to lv02 : # cplv lv01 lv02 To copy the contents of lv01 to a new lv in vg01 : # cplv –vg vg01 lv01 To change the name of oldlv to newlv : # chlv –lv newlv oldlv Physical Volume To display all physical volumes in the system : # lspv To display the status and characteristics of hdisk03 : # lspv hdisk03 To list all the available PVs used as virtual SCSI backing devices : # lspv –avail To list PVs that can be used as virtual SCSI backing devices and are not currently a backing device :



# lspv –free To move physical partitions from hdisk1 to hdisk2 : # migratepv hdisk1 hdisk2 To move physical partitions in lv01 from hdisk1 to hdisk2 : # migratepv –lv lv01 hdisk1 hdisk2 Storage Pool Management: To create storage pool “client_data” using hdisk3 hdisk4 hdisk3 and hdisk4 : # mksp -f client_data To set client_data storage pool as default : # chsp –default client_data To list all storage pools : # lssp To list the default storage pool : # lssp –default To list the backing device in rootvg storage pool : # lssp –bd –sp rootvg To attach a storage from a storage pool to a Virtual SCSI adapter: # mkbdsp -bd lv001 -vadapter vthost2 -tn vtscsi9 To removes storage from a Virtual SCSI adapter, and removes the backing device : # rmbdsp –bd lv001 To remove storage from a Virtual SCSI adapter, And makes sure backing device is not deleted : # rmbdsp –bd lv001 -savebd To removes storage from a Virtual SCSI adapter, and removes the backing device : # rmbdsp –vtd vtscsi9 To removes storage from a Virtual SCSI adapter. and makes sure backing device is not deleted : # rmbdsp –vtd vtscsi8 -savebd Network Configuration : TCP/IP Configation: To configure tcpip on a network interface : # mktcpip -hostname sys01vio2 -inetaddr 9.47.90.113 -interface en2 netmask 255.255.255.0 -gateway 9.47.90.1 -nsrvdomain yahoo.com start To display the stored tcp/ip configuration in the system : # lstcpip –stored To display ethernet adapters on the system : # lstcpip –adapters To display the system hostname : # lstcpip –hostname To display DNS name servers in search order and domain name :



# lstcpip –namesrv To display the routing table : # lstcpip –routtable To display routing table in numeric output instead of hostname : # lsctpip –num –routtable To display all the open inet sockets : # lstcpip –sockets –family inet To display the status of all configured interfaces : # lstcpip –state To remove all TCP/IP configuration : # rmtcpip –all To unconfigure tcpip in en0: # rmtcpip –interface en0 To cleanup static routing table : # rmtcpip –f -routing To remove IP information from en0 after reboot : # rmtcpip –f –interface en0 -nextboot To remove DNS information and clears the hosts file : # rmcpip –namesrv Managing IP address-to-host name Mapping Entries: To add IP address-to-host name mapping entry : # hostmap -addr 192.100.1.7 -host alpha To list all IP address-to-host name mapping entries : # hostmap –ls To delete the IP address-to-host name mapping entry : # hostmap-rm 192.100.1.7 Managing Network Services: To enable all the network services : # startnetsvc ALL To enable the telnet daemon : # startnetsvc telnet To enable the ftp daemon : # startnetsvc ftp To enable the ssh daemon : # startnetsvc ssh To enable the ldap daemon : # startnetsvc ldap To enable the cimserver daemon : # startnetsvc cimserver To enable the xntpd daemon : # startnetsvc xntpd To send CLI tracing details to the system log :



# startnetsvc tracelog To send system error to the system log : # startnetsvc errorlog To disable all the network services :

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# stopnetsvc ALL To disable the telnet daemon : # stopnetsvc telnet To disable the ftp daemon : # stopnetsvc ftp To disable the ssh daemon : # stopnetsvc ssh To disable the ldap daemon : # stopnetsvc ldap To disable the cimserver daemon : # stopnetsvc cimserver To disable the xntpd daemon :

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stopnetsvc xntpd To stop sending CLI tracing details to system log : # stopnetsvc tracelog To stop sending system error log to the system log :



# stopnetsvc errorlog To display the status of ftp network service : # lsnetsvc ftp Managing DNS, Domain and Search Order Entries: To add a domain entry : # cfgnamesrv -add -dname abc.aus.century.com To add a name server entry : # cfgnamesrv –add -ipaddr 192.9.201.1 To display all the DNS entries : # cfgnamesrv -ls Network Tuning Parameters: To display the maximum size of the mbuf pool : # optimizenet –get thewall To set a machine as internet work router over TCP/IP networks : # optimizenet –set ipforwarding=1 To display information on udp_recvspace : # optimizenet –h udp_recvspace Network Monitoring: To display all the statistics, including the device- specific statistics : # entstat ent0 To reset all the statistics back to their initial values : # entstat –reset ent0 To display the route to a particular host : # traceroute nis.nsf.net System Monitoring : To display the summary of current system activity : # sysstat To display the system statistics : # topas System Management Commands: To halt the operating system : # shutdown To halt the operating system forcibly : # shutdown –force To reboot the vio server : # shutdown –restart To invalidate the boot list for service mode : # bootlist -mode service –rm To display the boot list for service mode : # bootlist -mode service –ls To set the boot list for normal mode : # bootlist –more normal hdisk0



To display the complete detailed error report : # errlog –ls To remove all the error log entries : # errlog –rm 0 To remove the error log entries older than 5 days : # errlog –rm 5 To change the system date and time : # chdate -day 12 -month 10 -year 2004 -hour 16 -minute 30 To change the language for the entire system to French Canadian : # chlang -lang fr_CA To display available languages : # chlang –ls To perform hardware problem determination and maintenance : # diagmenu To generate report on microcode levels of all the devices : # invscout –report To display the vpd survey of the partition : # invscout –vpd To append the current MOTD [Message Of The Day] : # motd –append “Message” To overwrite MOTD : # motd –overwrite -file filename To do the initial configuration of VIO Server : # cfgassist It is like configuration assitant in AIX. To do filesystem scan : # fsck /dev/lv01 To display exported (nfs) directories on a remote server : # showmount hostname To start system dump on the primary device : # startsysdump To display continuous disk report on disk1 at 2sec interval : # viostat -disk disk1 2 To display adapter throughput reports : # viostat –adapter To display system and adapter throughput reports : # viostat –sys –adapter To gather system info and to store it in the floppy disk : # snap -general -dev /dev/rfd0 To display microcode levels of all devices : # lsfware –all Managing Agents:



To start an agent : # startsvc agent_name To stop an agent: # stopsvc agent_name To display an agent’s configuration information : # lssvc agent_name To display all the available agents : # lssvc To display the attributes associated with ITSM_base agent : # cfgsvc –ls ITM_base To display the ITM_base agent ssh public key : # cfgsvc -key ITM_base User Management: To create a user : # mkuser To change an attribute of a user : # chuser To display the properties of a user : # lsuser To remove a user from the system : # rmuser To set/reset password for a user : # passwd Security Commands: To display all failed logins : # lsfailedlogin To display the contents of global command log : # lsgcl To displays high system settings : # viosecure -level high To apply all of the high system settings to the system : # viosecure -level high –apply To displays the current system settings : # viosecure –view To allow IP activity on the ftp-data, ftp, ssh, www, https, rmc, and cimon ports, and to deny other IP activity : # viosecure –firewall on To enable IP activity on all ports : # viosecure –firewall off To display the list of allowed ports : # viosecure -firewall view tags: command, VIOS, Virtual-I/O-Server

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Virtual I_O Server(VIOS) useful commands « AIX Solaris HPUX UNIX Linux system storage administration ksh_perl scripting

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