Hitachi XP P9500 User Manual page 36

function is used. Both figures show examples of I/O operations being issued
for the same LU by multiple applications.
Figure 2-7 Flow of I/O Data When the Load Balancing Function Is Not
Used
When the load balancing function is not used, I/O operations converge onto a
single path (A). The load on that one path (A) will cause a bottleneck, which
might cause problems with system performance.
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HDLM Functions
Hitachi Dynamic Link Manager User Guide (for Linux(R))