TSM 保留策略如何修改？？

如何在命令行下查看TSM保留策略？
如何在命令行下修改TSM的保修策略？
就是这四个参数

VERExists
VERDeleted
RETExtra
RETOnly
还有就是修改好之后如何应用？

tsm: TSMSERVER>q po
Policy Policy Default Description
Domain Set Name Mgmt
Name Class
Name
--------- --------- --------- ------------------------
STANDARD ACTIVE STANDARD Installed default policy
set.
STANDARD STANDARD STANDARD Installed default policy
set.

tsm: TSMSERVER>q co
Policy Policy Mgmt Copy Versions Versions Retain Retain
Domain Set Name Class Group Data Data Extra Only
Name Name Name Exists Deleted Versions Version
--------- --------- --------- --------- -------- -------- -------- -------
STANDARD ACTIVE STANDARD STANDARD 1 1 365 365
STANDARD ACTIVE WEEKLY_M- STANDARD 1 1 15 15
GMT
STANDARD STANDARD STANDARD STANDARD 1 1 365 365
STANDARD STANDARD WEEKLY_M- STANDARD 1 1 15 15

GMT
tsm: TSMSERVER>update co STANDARD STANDARD STANDARD STANDARD vere=90 rete=90
ANR1532I Backup copy group STANDARD updated in policy domain STANDARD, set STANDARD, management class STANDARD.
tsm: TSMSERVER>q co
Policy Policy Mgmt Copy Versions Versions Retain Retain
Domain Set Name Class Group Data Data Extra Only
Name Name Name Exists Deleted Versions Version
--------- --------- --------- --------- -------- -------- -------- -------
STANDARD ACTIVE STANDARD STANDARD 1 1 365 365
STANDARD ACTIVE WEEKLY_M- STANDARD 1 1 15 15
GMT
STANDARD STANDARD STANDARD STANDARD 90 1 90 365
STANDARD STANDARD WEEKLY_M- STANDARD 1 1 15 15
GMT
tsm: TSMSERVER>act po STANDARD STANDARD
ANR1555W The BACKUP copy group in management class WEEKLY_MGMT specifies a destination that does not refer to a defined storage pool: WEEKLY_POOL. If this
pool does not exist when policy set STANDARD is activated, clients will fail when using this management class to backup files to the server.
Do you wish to proceed? (Yes (Y)/No (N)) Y
ANR1555W The BACKUP copy group in management class WEEKLY_MGMT specifies a destination that does not refer to a defined storage pool: WEEKLY_POOL. If this
pool does not exist when policy set STANDARD is activated, clients will fail when using this management class to backup files to the server.
ANR1514I Policy set STANDARD activated in policy domain STANDARD.
tsm: TSMSERVER>q co
Policy Policy Mgmt Copy Versions Versions Retain Retain
Domain Set Name Class Group Data Data Extra Only
Name Name Name Exists Deleted Versions Version
--------- --------- --------- --------- -------- -------- -------- -------
STANDARD ACTIVE STANDARD STANDARD 90 1 90 365
STANDARD ACTIVE WEEKLY_M- STANDARD 1 1 15 15
GMT
STANDARD STANDARD STANDARD STANDARD 90 1 90 365
STANDARD STANDARD WEEKLY_M-GMT STANDARD 1 1 15 15

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