In a Storage Area Network, Disks (LUN) can be accessed by the servers using HBAs (Host Bus Adapters). With the following bash script all HBAs on a system will be listed in detail. Device Name, Port State, Port Name, and Supported Speeds are printed in a tabular format.
On HP 3PAR Storage, disks are grouped inside magazines. So when it comes to replacing a failed disk, magazine that holds the disk has to be brought offline using a servicemag start command.
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