Configuring A Mirrored Boot Disk Environment Incorporating Svm; Precautions - Hitachi XP P9500 User Manual

21 Perform the required settings if you want to mirror or multi-path the post-
.
migration boot disk in the following applications.
For details on the required settings, see the documentation for the
relevant application.
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Configuring a Mirrored Boot Disk Environment Incorporating
SVM
A mirrored boot disk incorporating SVM can be managed by HDLM.
The following configuration is supported:
• OS: Solaris 10
• RAID level: Mirroring (no more than three mirrors)
• Cluster: None

Precautions

• When you use the dlmsetconf utility, do not specify the -r option. If the
-r option is specified, the instance number (the minor number of the
HDLM device) is changed, and the metadevice can no longer be used.
• After
to a Mirrored Boot Disk Environment Incorporating SVM on page 3-106
performed, the boot disk in the pre-migration environment cannot be
used.
• After
boot disk in the pre-migration environment cannot be used.
• When maintaining the device that the path of the boot disk environment
uses while using Solaris, note the following:
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If you do not change the status and a path disconnection is detected
during the maintenance, access to the boot disk will be temporarily
delayed. As a result, the system performance might decrease. After you
finish maintenance, immediately execute the dlnkmgr command with the
online option to set the paths (that you set to Offline(C)) to Online.
SDS
SVM
VxVM
Sun StorageTek Traffic Manager software (or, in Solaris 10, the
Solaris multipathing software MPxIO)
Placing the Boot Disks Under HDLM Management by Installing HDLM
Uninstalling HDLM on page 3-113
Ensure that at least one path connected to the boot disk is online
when you perform a maintenance task.
Before starting maintenance, for any path that you expect to be
disconnected during the maintenance operation, execute the dlnkmgr
command with the offline option to set the path to the Offline(C)
status.
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
in this document is performed, the
is
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