基于时间的自动配置

Variable time-based configuration is used in both project mode and cluster mode to automatically change configuration that is set in lsf.licensescheduler based on time windows. For example, if you have design centers in remote locations, one use of time-based configuration is to switch ownership of license tokens that are based on local time of day.
You define automatic configuration changes in lsf.licensescheduler by using if-else constructs and time expressions. After you change the files, reconfigure the cluster with the bladmin reconfig command.
The expressions are evaluated by License Scheduler every 10 minutes based on bld start time. When an expression evaluates true, License Scheduler dynamically changes the configuration that is based on the associated configuration statements and restarts bld
The #if, #else, #endif keywords are not interpreted as comments by License Scheduler, but as if-else constructs.
Syntax
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time = hour | hour:minute | day:hour:minute
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hour
Specify an integer from 0 to 23, representing the hour of the day.
minute
integer from 0 to 59, representing the minute of the hour.If you do not specify the minute, License Scheduler assumes the first minute of the hour (:00).
day
Specify an integer from 0 to 7, representing the day of the week, where 0 represents every day, 1 represents Monday, and 7 represents Sunday.If you do not specify the day, License Scheduler assumes every day. If you do specify the day, you must also specify the minute.
Specify time values
Procedure
Specify at least the hour.
Day and minutes are optional.
Specify time windows
Procedure
Specify two time values that are separated by a hyphen (-), with no space in between.
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time_window = time1-time2
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time1 is the start of the window and time2 is the end of the window. Both time values must use the same syntax.
Use one of the following ways to specify a time window:
hour-hour
hour:minute-hour:minute
day:hour:minute-day:hour:minute
For example:
Daily window
To specify a daily window, omit the day field from the time window. Use either the hour-hour or hour:minute-hour:minute format. For example, to specify a daily 8:30 a.m. to 6:30 p.m. window:
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8:30-18:30
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Overnight window
To specify an overnight window, make time1 greater than time2. For example, to specify 6:30 p.m. to 8:30 a.m. the following day:
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18:30-8:30
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Weekend window
To specify a weekend window, use the day field. For example, to specify Friday at 6:30 p.m to Monday at 8:30 a.m.:
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5:18:30-1:8:30
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Specify time expressions
About this task
Time expressions use time windows to specify when to change configurations.
Procedure
Define a time expression.
A time expression is made up of the time keyword followed by one or more space-separated time windows that are enclosed in parentheses. Use the &&, ||, and ! logical operators to combine time expressions.
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expression = time(time_window[ time_window ...])
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             | expression && expression
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             | expression || expression
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             | !expression
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For example:
Both of the following expressions specify weekends (Friday evening at 6:30 p.m. until Monday morning at 8:30 a.m.) and nights (8:00 p.m. to 8:30 a.m. daily).
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time(5:18:30-1:8:30 20:00-8:30)
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time(5:18:30-1:8:30) || time(20:00-8:30)
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Create if-else constructs
About this task
The if-else construct can express single decisions and multi-way decisions by including elif statements in the construct.
Procedure
Define an if-else expression.
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#if time(expression) 
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statement 
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#else
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statement 
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#endif
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The #endif part is mandatory and the #else part is optional.
Define an elif expression.
The #elif expressions are evaluated in order. If any expression is true, the associated statement is used, and this terminates the whole chain.
The #else part handles the default case where no other conditions are satisfied.
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#if time(expression)
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statement
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#elif time(expression)
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statement
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#elif time(expression)
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statement
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#else 
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statement 
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#endif
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When you use #elif, the #else and #endif parts are required.
Restart to implement configuration changes
About this task
All time-based configuration is within the lsf.licensescheduler file, so restarting the bld applies all changes.
Procedure
1.Run bladmin ckconfig to check configuration.
2.Run lsadmin limrestart or bladmin restart to restart the bld.
Verify configuration
About this task
Verify time-based configuration by viewing License Scheduler information.
Procedure
1.Run blinfo.
2.Run blstat.
Examples
Project configuration in project mode
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Begin Feature
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NAME = f1 
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#if time(5:16:30-1:8:30 20:00-8:30)
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DISTRIBUTION=Lan(P1 2/5  P2 1)
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#elif time(3:8:30-3:18:30)
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DISTRIBUTION=Lan(P3 1)
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#else
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DISTRIBUTION=Lan(P1 1 P2 2/5)
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#endif
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End Feature
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Project group configuration in project mode
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#
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# ProjectGroup section
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#
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Begin ProjectGroup
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GROUP             SHARES   OWNERSHIP  LIMITS     NON_SHARED
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(group1 (A B))    (1 1)    (5 -)         ()         ()
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End ProjectGroup
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​
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Begin ProjectGroup
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GROUP             SHARES   OWNERSHIP  LIMITS     NON_SHARED
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(group2 (A B))    (1 1)    (- 5)         ()         ()
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End ProjectGroup
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​
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#
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# Feature section
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#
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Begin Feature
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NAME = f1 
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#if time(5:16:30-1:8:30 20:00-8:30)
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GROUP_DISTRIBUTION=group1
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#elif time(3:8:30-3:18:30)
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GROUP_DISTRIBUTION=group2
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#else
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GROUP_DISTRIBUTION=group2
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#endif
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SERVICE_DOMAINS=Lan1 Lan2
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End Feature
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Cluster distribution configuration in cluster mode
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Begin Feature
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NAME = f1
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#if time(5:16:30-1:8:30 20:00-8:30)
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CLUSTER_DISTRIBUTION=Wan(Cl1 1 Cl2 1)
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#elif time(3:8:30-3:18:30)
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CLUSTER_DISTRIBUTION= Wan(Cl1 2 Cl2 1/2/100) Lan(Cl2 1)
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#else
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CLUSTER_DISTRIBUTION= Wan(Cl1 10 Cl2 1/1/10) Lan(Cl1 1)
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#endif
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End Feature
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