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ps vx pgin column is the number of disk I/Os resulting from references by the process to pages not loaded in core


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1. Check full coredumps You need to check if fullcore is activated on your AIX: lsattr -Elsys0 | grep full To enable fullcore: chdev -l sys0 -a fullcore=true 2. Check limits Fsize and core limits need to set to unlimited. ulimit -c unlimited ulimit -f unlimited


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If you're using jfs, you should have no problem using a 4k block size. Usually, this stuff is taken care of by the multipath driver for the storage, as well as host emulation sometimes. Set your EMC storage's host emulation to "AIX" and make sure you installed whatever drivers they provided for AIX. That'll get everything aligned properly.


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Take a look at the logins command. The -p flag displays users without passwords. Example usage: # logins -p You can also parse /etc/security/passwd and look for an empty password entry.


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In my knowledge the HMC does not gather/keep OS memory utilization data, only the memory settings of the "current configuration" and for every profile of the lpar (which you can find in the HMC gui). These memory settings can be gotten per lpar with a command like the following : lshwres -r mem -m $mgsys --level lpar on the hmc prompt.


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The ADMCHG flag of password for an user directs the system to ask for password change on login. You can find this flag for an user's password in the file /etc/security/passwd or with pwdadm command. Eg. # grep -p "username:" /etc/security/passwd username: password = EvqNjMMwJzXnc lastupdate = 1274003127 flags = ADMCHG # ...



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