90 DS8800 Performance Monitoring and Tuning
workload conditions. There is no need anymore to bother with tiering policies that must be
manually applied to accommodate changing workload dynamics.
In environments with homogeneous system configurations or isolated storage tiers that are
bound to different homogeneous extent pools, you can benefit from Easy Tier automatic
mode. With R6.2 of the DS8000 LMC, Easy Tier provides automatic intra-tier performance
management by rebalancing the workload across ranks (auto-rebalance) in homogeneous
single-tier pools based on rank utilization. Easy Tier automatically minimizes skew and rank
hot spots and helps to reduce the overall management effort for the storage administrator.
Depending on the particular ...