
Mode
Category
Description
Default
MCU/RCU
ShadowImage
* Zero data page reclamation by WriteSame and UNMAP
functions, and IO synchronous page reclamation are not
disabled.
Mode 930 = ON:
All of the zero data page reclamation
operations in processing are stopped at once. (Also the zero
data reclamation cannot be newly started.)
Mode 930 = OFF (default):
The zero data page
reclamation is performed.
For details about interactions with SOM 755, contact
customer support (see SOM930 sheet).
Notes:
1.
This SOM is applied when stopping or disabling zero
data page reclamation by user request is required.
2.
When this SOM is set to ON, the zero data page
reclamation does not work at all.
* Zero data page reclamation by Write Same and
UNMAP, and IO synchronous page reclamation can
work.
3.
When downgrading micro-program to a version that
does not support this SOM while this SOM is set to ON,
set this SOM to OFF after the downgrade.
* Because the zero data page reclamation does not
work at all while this SOM is set to ON.
4.
This SOM is related to SOM 755.
937
Dynamic
Provisioning
Dynamic Tiering
By setting this SOM to ON, HDT monitoring data is collected
even if the pool is a DP pool.
Mode 937 = ON:
HDT monitoring data is collected even if
the pool is a DP pool.
Only Manual execution mode and Period mode are supported.
Mode 937 = OFF (default):
HDT monitoring data is not
collected if the pool is a DP pool
Notes:
1.
This SOM is applied when HDT monitoring data
collection is required in DP environment.
2.
When HDT is already used, do not set this SOM to ON.
3.
For HDT monitoring data collection, shared memory for
HDT must be installed. For details, contact customer
support (see SOM937 sheet).
4.
If monitoring data collection is performed without
shared memory for HDT installed, an error is reported
and the monitoring data collection fails.
5.
Before removing the shared memory for HDT, set this
SOM to OFF and wait for 30 minutes.
6.
Tier relocation with monitoring data collected when this
SOM is set to ON is disabled.
7.
When DP is converted into HDT (after purchase of
software license), the collected monitoring data is
discarded.
OFF
-
System option modes
375
System Administrator Guide for VSP Gx00 models and VSP Fx00 models
Содержание VSP F400
Страница 10: ...10 System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 16: ...16 Preface System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 30: ...30 System administration overview System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 136: ...136 Configuring the storage system System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 210: ...210 User administration System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 244: ...244 Setting up security System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 256: ...256 Alert notifications System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 270: ...270 Managing license keys System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 280: ...280 Managing storage system reports System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 350: ...350 Examples of storage configuration reports System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 386: ...386 System option modes System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 406: ...406 Glossary System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
Страница 412: ...412 Index System Administrator Guide for VSP Gx00 models and VSP Fx00 models ...
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