These kprocs have no user interfaces and have been largely undocumented in base documentation. All boils down to what you are wanting your users to accomplish and the role. On the add screen, make it required for partition activation, make sure its set for any partition, note the virtual scsi adapter id, and hit ok. I found the power systems technical university conference to be very valuable in terms of picking up tips to make my life easier as a sysadmin. He has written extensively on lvm recovery procedures. You can log on as the padmin user on the vios which is serving the client you want.
You can check the state of your vasi on the vio lpar by using the following command as padmin. You can always backup your vio lpar or aix lpar by making a clone as follows. Nontcp or udp traffic will fall back to the default hash mode, using the last byte of either the destination ip address or mac address. Great for beginners to learn the commands as well as for advanced users not capable remembering 20 commandline options certain commands require. I have some experience on ubuntu, but am completely new to aix 6. You cant always guess the flag for the aix command, because when they want to put in a new flag, aix has been. Cluster commandline 28 hmc commandline howto 29 nim commands 24 vio server howto 26 tips and tricks for aix.
Aix, storage, system admin allocating shared storage to vios. If you leave out the b it will set the bootlist to the new copy. When you log in to the vio server as padmin, you are running the vio server restricted shell. The vasi is enabled on a vio server when the msp is enabled. Instead there will be a good bit of unallocated space. Make sure you are monitoring file system space on your vios.
Tips i picked up at the power systems technical university. According to ibm you should never work as root on vio servers. The exit command returns you to the restricted shell as padmin. Processor folding is an aix cpu affinity method that insures that an aix. Start on the profile for the vio server that has the cddvd rom on its bus. The aix media and the vios media are not interchangeable. Look into npswarn, npskill stuff in performance management guide changing the boot device order.
To get info about ipadresses you can try ifconfig a. New and complete overwrite install to completely overwrite an existing version of the base operating system bos 02. All ioscli commands are in fact calls of usrioscliioscli with the command as argument. The errlog command allows you to view errors by sequence, but does not give the sequence in the default format. The aix logical volume manager is similar in execution to the hpux and digital unix logical volume managers, and is similar in purpose to the sun online disksuite package. How to create a virtual media repository in ibm vio serverplease read the article how to create a virtual media repository in ibm vio server more on unixmantra. Jun 08, 2014 make sure you monitor file system space on your vios. It gives many things, but not the mac address of the network card. Jun 03, 2010 aix offer the capability to bind a thread to a particular processor with the obvious promises to optimize cpu level 1 and level 2 do not do it for database and log writer processes. Lazysystemadmin is a useful howto website that covers system administration, operating systems, cloud, devops, virtualization, scripts and video tutorials. But, most of the superuser level commands are new and perform many different operations at once. By default the ioscli commands are not available for the root user. Obtain aix base iso image from ess and store on the vio server.
Additionally, aix provides a privileged commands privcmds. You see this if you list the aliases of the padmin user. This is the gateway adapter that will receive packets with mac addresses that are unknown. It has a restriced shell cant change home directory. The lsmap command displays the mapping between the virtual host adapters and the physical devices they are backed to. If shutdown restart command failed, run swrole padmin in order for. This user id has a shell called the ios commandline interface ioscli that runs a unique set of commands for managing devices assigned to the vio servers. Performance optimization with enhanced risc power version 7 enables a unique performance advantage for aix os. Find the mac address on the most of the systems this information can be retrieved using the ifconfig or the netstat commands but this is not true for ibm aix. Log on the vio server as the user padmin 2 verify if the repository is already configured. Wikis apply the wisdom of crowds to generating information for users interested in a particular subject. This website to share our expertise and knowledge on linux, unix, windows, hardware, security, cloud and. You cannot use up arrow to recall the command in history.
On a normal aix lpar you can use oslevel s instead. By default, many of the alternate disk install commands change the bootlist to point to the new volume group and this may not be what you want to do. This website to share our expertise and knowledge on linux, unix, windows, hardware, security, cloud and open source. May 20, 2015 npiv works as like scsi adapter which allows multiple client partition can be access to the fiber channel adapter directly which means that actual physical adapter will be present in to vioservers and logical entity will be created and mapped to client partitions hence in vioservers physical adapters works in passthrough mode and actual io. Sometimes it can be useful to know the physical address of a network interface mac address, to perform some configuration andor troubleshooting. Practical guide to aix and its related ibm techonologies, like powervm, powervc, powerha, hmc etc. It enforces mandatory access control mac, mandatory integrity control mic and. Therefore, the viosupgrade command cannot restore vscsi mappings if lvs are created from the vio servers rootvg disk. All of the device drivers and the other software needed to install the vio server are located on the vios media. The second command is the mksysb equivalent for a virtual io server. Aix ps2, first released in october 1988, ran on ibm ps2 personal computers with intel 386 and compatible processors. To check how much space your rootvg would have you use the following command. I need to upgrade the vio, so if i do that then the vio s aix version will be upgraded as well, right. Troubleshooting and commands include problem determination in software development and the aix base operating system.
By default threads are running on the next available processor, on the same one if possible anyway. Unable to execute commands remotely to vio server as. You have a powerha cluster on two nodes, nodea and nodeb. Ibm aix administration video tutorial training by real time expert. If you want to know what aix command is behind the command you issued as user padmin you can use a special debug mode. This is a somewhat involved process, but much easier than having to take a downtime on the vio server to change the password. If you know aixeven a littlewithin a short time you should feel at home with the vios command line. You can search all wikis, start a wiki, and view the wikis you own, the wikis you interact with as an editor or reader, and the wikis you follow. Gil is one of the kprocs kernel processes in aix 4. From a different aix server that has opensshopenssl installed, type openssl passwd and type in the new password that you want to assign to the padmin account.
Here is a method you can use to reset a lost vio padmin password from the hmc with zero downtime on the vio server. The purpose of lvm is to add a layer of abstraction between file systems and disk drives. On the most of the systems this information can be retrieved using the ifconfig or the netstat commands but this is not true for ibm aix to get the mac address, use the lscfg as root as follow. Given an adapter name servervirtualadapter or physical location code physicallocationcode of a server virtual adapter, the device name of each connected virtual target device child devices, its logical unit number, backing devices, and the backing devices. Recently my company is moving an application system from mainframe zos to aix. Aix ps2 also known as aix386 was developed by locus computing corporation under contract to ibm.
Run vio commands from the hmc using viosvrcmd without vios passwords emre ozkan 17 october 2014 0 recently we got a situation where in we dont know the passwords of either padminroot of vios but need to run commands in vios. In this section unixwerk provides tips and tricks for aix and related systems like hmc, vios you know a useful trick. Determine if backing device is a pv or lv or optical. Aix base iso images can be obtained by contacting entitled software support ess at 18008792755 option 2, option 2. Unix aix linux hacmp dlpar hmc vio aix advanced interactive executive is a series of proprietary unix operating systems developed and sold by ibm. Mar 18, 2011 hmc commandslshmc n lists dynamic ip addresses served by hmclssyscfg r sys f name,ipaddr lists managed system attributeslssysconn r sys lists attributes of managed systemslssysconn r all lists all known managed systems with attributesrmsysconn o remove ip removes a managed system from the hmcmkvterm m msys p lpar opens a command line vterm from an. Primary administrator on the vio server is the user padmin. Aix is stable operating system which is mostly used with oracle database. Howto determine the mac address of a network interface. The aix media does not contain all of the same device drivers or software necessary to install the vio server, so aix resources cannot be used to install a vio server.
Openssl will generate the password hash and display it on the screen. Now if i eventually upgrade and migrate the vio to the latest. The representatives should be able to verify entitlement and guide customers on how to download the iso image. Many of these commands are similar to regular aix commands for example, lsdev but use different flags and command structures for example, lsdev dev. A stepbystep guide to live partition mobility ibm systems media.
Aug 18, 2010 lazysystemadmin is a useful howto website that covers system administration, operating systems, cloud, devops, virtualization, scripts and video tutorials. For more info you can use commands like lsconfprtconf, lparstat i, lsdev. How to install any operating system on power remotely ibmi. How to create a virtual media repository in ibm vio server. Introduction to and sample commands for basic vios and powervm. The storage from the vios is mapped as vscsi to the client. To get the mac address, use the lscfg as root as follow. Aix is ibms unix base operating system which world wide used for it operations.
The following is a procedure to add shared storage to a clustered, virtualized environment. We use putty to connect to the aix servers, but putty is very difficult to operate. Thats the output of the lsnports command in this mode. Keigo matsubarais an advisory it specialist in japan. I need to upgrade the vio, so if i do that then the vios aix version will be upgraded as well, right. Aix wont use up all of that space for its file systems like we tend to do it in consumer windows machines. Some useful aix commands for administrator and user. Reset padmin vio password from the hmc with zero downtime. Each node is on a separate physical system, and each node is a client of a vios.
How to configure a vios media repositoryvirtual media. It allows you to enter a menu from which you can access most of the features and commands in aix in a very user friendly way. If you run out of space in the root file system, odd things can happen when you try to map virtual devices to virtual adapters with mkvdev. Many of the commands in the vios shell are similar to aix commands, but there are some important differences. If youre a diehard aix sysadmin who is frustrated by the vios command line, it can be difficult. I have dumb question and i am looking for experts opinion about vio upgrade.623 513 1312 1115 433 447 853 1072 1079 863 771 64 735 131 1482 608 1129 1275 632 952 23 923 489 595 1025 1403 832 1185 1049 746 1524 973 984 249 1365 156 1017 579 760