Fujitsu ETERNUS Multipath Driver V2, Руководство пользователя

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Chapter 8 Changing the Multipath Configuration (SAS Connection for RHEL6, RHEL7, or SLES11)
8.2 Storage System Reduction
FUJITSU Storage ETERNUS Multipath Driver V2 User’s Guide for Linux
Copyright 2014 FUJITSU LIMITED P2U3-0031-15ENZ0
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8.2 Storage System Reduction
8.2.1 Reduction without Server Rebooting
Storage systems can be removed without shutting down the server. Use the following procedure.
Procedure
1
Disconnect all cables to the server.
Disconnect all the SAS cables that connect the server to the storage system that is to be reduced.
2
Use the "iompadm info" command to check the result.
When the cables are removed, the disconnected storage system should be automatically removed and
disappear from the list.
[Example]
3
Delete the removed hardware from the Multipath Driver target list using the "mpdconfig -d"
command.
[Example]
End of procedure
8.2.2 Reduction with Server Rebooting
Same as for FC/FCoE connection.
Refer to
"7.2.2 Reduction with Server Rebooting" (page 85) .
When removing the storage systems and LUs without server rebooting, completely halt all access to the
storage systems or LUs that are to be removed. If access cannot be halted, follow the procedures described in
"8.2.2 Reduction with Server Rebooting" (page 95) .
# /opt/FJSVmpd/bin/iompadm info
# /opt/FJSVmpd/bin/mpdconfig -d