HP XP P9500 Storage - Manual (Page 331)

Operation Command
- Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6 and
a Brocade HBA driver
- SUSE LINUX Enterprise Server and a Brocade HBA driver
Execute the following command:
# echo "- - -" > /sys/class/scsi_host/hostn/scan
Execute the following command to check whether the OS has
recognized any devices:
# cat /proc/scsi/scsi
If the OS has not recognized any devices, execute the
following commands in the order shown:
# echo "1" > /sys/class/fc_host/hostn/issue_lip
# echo "- - -" > /sys/class/scsi_host/hostn/scan
If you are using Red Hat Enterprise Linux 5, Red Hat
Enterprise Linux 6, SUSE LINUX Enterprise Server 10, or SUSE
LINUX Enterprise Server 11, the devices might be
automatically recognized by the OS hot plug function. If the
devices are recognized, the above procedure is not necessary.
Adding a device
(for IP-SAN
environments)
• For a device added to the target for which no session is
established with the iSCSI initiator
Execute the following command to make the OS recognize the
target:
# iscsiadm -m discovery -t sendtargets -p IP-address-
of-the-target
Then, log in to the target to establish a session.
# iscsiadm -m node -T target-name -p IP-address-of-
the-target:port-number-of-the-target --login
• For a device added to the target for which a session is
established with the iSCSI initiator
Execute the following command:
# iscsiadm -m session -R
Deleting a
device
(for FC-SAN
environments)
# dlmcfgmgr -o logical-device-file-name-of-the-relevant-
HDLM-device
# echo "scsi remove-single-device a b c d" > /proc/scsi/
scsi
# dlmcfgmgr -i logical-device-file-name-of-the-relevant-
HDLM-device
Deleting a
device
(for IP-SAN
environments)
# echo "scsi remove-single-device a b c d" > /proc/scsi/
scsi
Legend:
a: Host ID (host port number)
b: Channel number (bus number)
c: Target ID
d: Lun (host LU number)
HDLM Operation
4-35
Hitachi Dynamic Link Manager User Guide (for Linux(R))