VIOS Shared Storage Pool phase 4 – How fast is the disk I/O ?

Post by Nigel Griffiths (thank you)

I was asked this lots of times at the recent POWER Technical Universities in Orlando and Athens.

Compared to a low numbers of local disks

  • The LUNs on a SAN disk subsystem with caching are very fast – even a simple test like AIX install times have halved.  In addition, you don’t have to fiddle about with stripping AIX Logical Volumes across disks or retro fit this to rootvg Volume Group filesystems after the install.

Read on here

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