Method used to change concurrent disks in the AIX operating system

To change concurrent disks, you need to stop service operations and perform the following steps:
1. Run lspv to check the volume group and disk status.
2. After services are stopped, run varyoffvg [vg_name] to activate specified volume groups.
3. Run lsattr -El updiskX | grep queue_depth to check the queue depth of specified disks.
4. Run chdev -a queue_depth=32 -l updiskX to change the queue depth of specified disks.

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