almost 1-liner : recreate LV/FS from a similar host without SMITting it out

Just to be clear, I know that there are some AIX bundled commands like mkvgdata and restvg which can do much better by saving/restoring the data structure of a VG, in order to clone it, or recreate it on any

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Cannot extendvg with a previous Oracle ASM disk?

  We surely have here an old recyled ASM disk (because of the ORCLDISK word in the disk’s header). We need to clean this before using it. Links https://www.ibm.com/developerworks/community/forums/html/topic?id=77777777-0000-0000-0000-000014085478 http://www.aixmind.com/?p=555 http://www-01.ibm.com/support/docview.wss?uid=isg3T1011872 http://www.wmduszyk.com/?p=5264&langswitch_lang=en  

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1-liner: recreate a routing table from a similar host

On the source Just execute this on the source host, for the « host » routes : Just execute this on the source host, for the « net » routes :  On the target Just copy/paste the result on the target and voilà !

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Small NIM cheatsheet

Bundle creation A NIM installp bundle is a file that contains the names of filesets that should be installed or removed by a NIM operation. 1. installp bundle file creation, I for filesets, R for RPM : 2. installp bundle

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PowerHA madness : cl_reducevg: Operation is not allowed because hdhegbgggghhgbhcgfhggh is a RAID concurrent volume group.

what the … ? what’s this « hdhegbgggghhgbhcgfhggh » name  ?? I asked for  [myconcurrentvg], not this weird name which came out of nowhere… After digging a little bit, I found nothing in the ODM.   IBM told me that the weird

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PowerHA : propagate scripts to cluster nodes with clfileprop

Via smitty : command line:

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HOWTO: analyze memory usage on AIX, aka svmon « 101 » AIX

http://www.unix.com/aix/217091-howto-analyze-memory-usage-aix-aka-svmon-101-a.html HOWTO: analyze memory usage on AIX, aka svmon « 101 » THE command on AIX for examining memory on AIX is svmon. Frequently, just the command svmon  with no arguments (defaults as svmon -G ) is enough to get an indication of whether there is

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Update : PowerHA : clstat,cldump don’t work ? Check your SNMP configuration!

*** UPDATED ON 2014, February : More tips on how fix this, if the snmpd file modification isn’t enough *** On my PowerHA nodes , I get often this kind of errors : It is pretty annoying because I can’t

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Support for passwords with more than 8 characters and Loadable Password Algorithm

Setting up the system password algorithm A system administrator can use the chsec command to set up the system password algorithm or use an editor such as vi to manually modify the pwd_algorithm attribute in the /etc/security/login.cfg file. It is

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cronadm : list crontabs or at jobs, and display their status with a simple command

Instead of listing contents of directory /var/spool/cron/crontabs or executing su – [user] (what I was doing for years now, as silly as I can be), I found out this morning that a command exists for that (with AIX this is

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