“MGMTCLASS”是什么意思?数据集的描述?
在分配数据集时,数据集的MGMTCLASS
描述了什么?据我所知,它给出了它将驻留在磁盘上的保留期和有效期,我观察到的可能值是 BKUP35、NOBKNLIM 等。这些代表什么?该参数还有什么可能的值?希望我准确地提出了我的问题,如果我错过了什么,请让我知道...
附录:我可以在这里问另一个问题吗?数据集设置的备份频率是多少?我知道它特定于 SMS
安装,但是我们有与 MGMTCLASS
相关的东西吗?假设数据集将在 MGMTCLASS 上指定的时间保持一定百分比时进行备份,就像那样......我清楚了吗?
While allocating a dataset, What does MGMTCLASS
of a dataset describe? To my knowledge it gives the retention and expiration period that it is gonna reside on disk and the possible values I have observed are BKUP35
, NOBKNLIM
etc. What are these stand for and what else are the possible value for this parameter? Hope I put my question exactly, please lemme know if i missed something...
Addendum: Can i ask another question here. How often does a dataset is set to be backed up? I know it's specific to installation of SMS
, but do we have something related to MGMTCLASS
. Say dataset will be backed up when it stays some % of time specified on MGMTCLASS
like that.. am I clear?
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在 IBM z/os 大型机上,MGMTCLAS 值由您的系统管理层定义。每个安装可能有不同的值。您必须向站点管理人员询问他们为您的环境定义的值。
在安装了存储管理系统 (SMS) 功能的系统上定义新数据集时,会给出 MGMTCLAS。 SMS 使用分配的 MGMTCLAS 来指导数据集管理的各个方面。典型用途包括:
On IBM z/os mainframes, the MGMTCLAS values are defined by your systems management. Each installation may have different values. You will have to ask your site management for the values they have defined for your environment.
MGMTCLAS is given when defining a new dataset on a system where the Storage Management System (SMS) feature is installed. SMS uses the assigned MGMTCLAS to guide various aspects of dataset management. Typical usages are: