AIX : Calculate the SHA256 hashes of a file

  http://www.commandlinefu.com/commands/view/12734/ibm-aix-calculate-the-sha256-hashes-of-a-directory-without-sha256sum    

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GPFS : delete a configured cluster you just created (Testing only)

Easiest , dirtiest and quickest way I found to delete a freshly configured GPFS cluster (DON’T DO THIS ON A PRODUCTION SERVER !!! IT IS FOR TESTING/DEV PURPOSES ONLY !!! ) : GPFS V4 : change to CCR mode I

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1-Liner : Get the WWNs associated with your hdisks from a list of hosts

 

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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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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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