So you’re configuring a new PowerHA 6.1 cluster and you decide to check if the clinfoES subsystem is running. You run the following command:   # lssrc -a | grep cluster clstrmgrES       cluster          2883628      active   Hmmm, clinfoES is not listed. To ensure that is clinfoES is shown in lssrc output, in both inactive and active states, run the following command on all nodes in the cluster:   # chssys -s clinfoES –d   And now clinfoES is shown:   #lssrc -a | grep cluster clstrmgrES       cluster          2883628      active... [More]

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Starting with AIX 7.1, CSM is no longer supported or available. It has been replaced by Distributed Systems Managment (DSM).    Section 5.2 of the IBM AIX 7.1 Differences Guide Redbook provides details of the new DSM capabilities.   Fortunately DSM still provides access to the dsh command.   I’ve written about how I’ve used this utility in the past . The new dsh command (and other tools) are provided in the new DSM filesets named dsm.core and dsm.dsh .   root@nim# lslpp -L dsm*   Fileset                       Level   State   Type... [More]

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After updating my NIM master to AIX 7.1 TL2 SP1 (7100-02-01-1245), I noticed a problem. Whenever I installed a new AIX partition using NIM, the resources allocated to the NIM client were not being de-allocated, even though the installation was completing successfully. Also, if I tried to run my usual ‘NIM client reset’ script (below), the resources were still allocated.   #!/usr/bin/ksh # Reset a NIM client.   if [[ "$1" = "" ]] ; then   echo Please specify a NIM client to reset e.g. aixlpar1. else   if lsnim -l $1... [More]

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Last year I was working for a customer that was upgrading several AIX 5.3 systems to AIX 6.1 . The migrations were successful for the most part, but we did encounter one issue that took a little time to resolve.   The customer was using nimadm to migrate. This process worked fine, however, on a couple of systems a strange error was encountered after the migration. The LPAR was booted into AIX 6.1 and everything came up fine. The applications were started and users started accessing the system.   It was several days later, when the AIX... [More]

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Before I describe the sudo problem I hit, I will tell you that the root cause of the problem is evident in the following output:   # mount   node       mounted        mounted over    vfs       date        options -------- ---------------  ---------------  ------ ------------ ---------------         ... [More]

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OpenSSH 7.0 & greater disable ssh-dss by default. http://bit.ly/2vZBMyH If you upgrade OpenSSH, to 7.1.102.1100 on AIX for example, you may notice that you're unable to login afterwards, with ssh-dss keys. In syslog you'll see messages similar to this:   Syslog: Sep 11 15:40:34 cgaix auth|security:info sshd[9961802]: userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth]   # lslpp -l openssh\*   Fileset                      Level  State... [More]

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