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{ Daily Archives } Saturday, April 2014

Volume Groups limit on AIX

                        example1: Normal VG mkvg -s 16 -t 2 -y datavg hdisk4 (partition size is 16. Factor(t) is 2.  1016 x 2= 2032 ( that means this volumegroup can have up to 16 disk. see table example2: Big VG mkvg -B -t 16 -y […]

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superblock corrupt in AIX?

each filesystem hast two superblock. one in logical block 1 and copy in logical block 31. We can copy supberblock fro block 31 to block1 for the root file system here is the command: dd count=1 bs=4k skip=31 seek=1 if=/dev/hd4 of=/dev/hd4

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