Hitachi Dynamic Link Manager Software Users Guide for Linux

Process Description
hbsa_service
Hitachi Command Suite Common Agent Component
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process
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You only need to monitor this process when HDLM is linked to Global Link
Manager.
Reconfiguring the HDLM Operating Environment
This section describes tasks required for reconfiguring the HDLM operating
environment.
The tasks described in this section are required when you perform any of the
following operations:
• Replace hardware devices that make up a path
• Add new LUs
• Remove existing LUs
• Add paths to or remove paths from an LU
• Add devices to or remove devices from the list of devices to be managed
by HDLM
Replacing HBAs
You can replace HBAs without stopping any applications when all of the
following conditions are satisfied:
•
The OS on the host is either of the following
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:
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Red Hat Enterprise Linux 5
¢
Red Hat Enterprise Linux 6
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Oracle Enterprise Linux 5, Oracle Unbreakable Enterprise Kernel 5,
and Oracle Unbreakable Enterprise Kernel 6 are not supported.
• The host allows HBA replacement, and the new HBAs are of the same
type as the HBAs you replace.
• Multiple HBAs are used, and the paths that pass through these HBAs are
connected to the same LU.
• Multiple paths to the LU are active.
• HDLM is in a Hitachi Compute Blade environment.
For details on how to replace HBAs, see
Procedure for replacing HBAs on page
4-48.
4-46
HDLM Operation
Hitachi Dynamic Link Manager (for Linux®) User Guide