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Hitachi Virtual Storage Platform G800 - Page 312

Hitachi Virtual Storage Platform G800
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Mode Category Description Default MCU/RCU
734 Dynamic
Pr
ovisioning
When exceeding the pool threshold, the SIM is
reported as follows:
Mode 734 = ON: A SIM is reported at the time when
the pool usage rate exceeds the pool threshold
(warning, system, or depletion). Once the pool usage
rate falls below the pool threshold, and then exceeds
again, the SIM is reported again. If the pool usage
rate continues to exceed the warning threshold and
the depletion threshold, the SIM (SIM-RC625000) is
repeatedly reported every eight (8) hours until the
pool usage rate falls below the depletion threshold.
Mode 734 = OFF (default): A SIM is reported at the
time when the pool usage rate exceeds the pool
threshold (warning, system, or depletion). Once the
pool usage rate falls below the pool threshold, and
then exceeds again, the SIM is reported again. The
SIM is not reported while the pool usage rate
continues to exceed the warning threshold and the
depletion threshold.
Notes:
1. This SOM is turned ON to prevent the write I/O
operation from being unavailable due to pool
full.
2. If the exceeding pool threshold SIM occurs
frequently, other SIMs may not be reported.
3. Though turning on this SOM can increase the
warning eect, if measures such as adding a
pool fail to be done in time so that the pool
becomes full, SOM 729 can be used to prevent
le systems from being destroyed.
4. Turning on SOM 741 can provide the SIM report
to not only the users but also the service
personnel.
OFF -
System option modes
Appendix B: System option modes
System Administrator Guide for VSP Gx00 models and VSP Fx00 models 312

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