Discover the correct answer to the question “The hold and release of LPAR’s are done through” in this Wipro Mainframe MySkillz Trendnxt assessment explanation. Learn about the role of the HMC in managing LPARs on mainframe systems.
Table of Contents
Question
The hold and release of LPAR’s are done through
A. BMC
B. IPL
C. HMC
D. None
Answer
C. HMC
Explanation
HMC stands for Hardware Management Console. It is a dedicated workstation that is used to manage and control IBM mainframe systems, including the allocation of system resources to LPARs (Logical Partitions).
The HMC provides a centralized interface for system administrators to perform various tasks related to LPAR management, such as:
- Activating and deactivating LPARs
- Assigning processor, memory, and I/O resources to LPARs
- Holding (suspending) and releasing (resuming) LPAR operations
- Monitoring LPAR performance and health
When an LPAR needs to be temporarily suspended, the system administrator can use the HMC to put the LPAR in a “held” state. This frees up the resources allocated to that LPAR so they can be used by other LPARs. Later, the held LPAR can be “released” via the HMC to resume its normal operations.
The other options are incorrect:
- BMC refers to the Bulk Media Console, which is used for tape operations, not LPAR management.
- IPL stands for Initial Program Load, the process of loading and initializing the operating system. It does not control LPARs.
- “None” is incorrect since the HMC is specifically used for holding and releasing LPARs.
In summary, the HMC is the hardware management tool that mainframe system administrators use to hold, release, and otherwise control the allocation of resources to LPARs. Understanding the role of the HMC is essential for effectively managing mainframe environments.
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