HP LeftHand P4000 HP LeftHand SAN Solutions Support Document - Application Not
HP LeftHand P4000 - SAN Solutions Manual
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- HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 1
HP LeftHand SAN Solutions Support Document Application Notes Linux iSCSI - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 2
such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 3
Linux iSCSI IP SAN storage from LeftHand Networks provides a scalable, high-performance solution that easily integrates into your current infrastructure. The LeftHand SAN/iQ delivers advanced storage management features, including mutli-site synchronous and asynchronous replication, multiple levels - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 4
by the Free Software Foundation; either configured in the /etc/iscsi.conf configuration file. For quick configuration with SAN/iQ, make and install the driver, set only the DiscoveryAddress parameter in iscsi.conf file to the IP address allocated for the storage cluster. Restart the iscsi service - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 5
every target it discovers. If the SAN/iQ Authentication Groups for iSCSI targets are using all the same commands and utilities as a direct attached storage. The iSCSI targets are also symbolically linked to /dev/ run the driver on. Installation Procedure 1 Download the linux-iscsi-.tgz file to - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 6
need to verify the order of the boot script because the iSCSI daemon tries to get a TCP connection to each configured iSCSI target and if the network interface has is the IP address assigned for the Virtual IP on the iSCSI tab in the SAN/iQ cluster configuration. 7. Start the driver by entering the - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 7
This will delete the appropriate files from /lib/modules and /sbin. The configuration files in /etc are not deleted, since they will be needed if another connections by stopping the service when upgrading the initiator or upgrading/patching your kernel. Kernel Upgrade Procedure Because the iSCSI - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 8
And Stopping The Iscsi Driver To manually start the iSCSI driver enter: /etc/init.d/iscsi start The iSCSI initialization will report information on each detected device to the console or in dmesg(8) output. For example: Vendor: Lefthand Networks Model: SAN/iQ iSCSI Disk Rev: 5.0 Type: Direct - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 9
the IP network is not yet configured at mount time. However, the driver provides a method to auto-mount script invokes the /sbin/iscsi-mountall script will try to mount iSCSI devices listed in /etc/ fstab.iscsi file. /sbin/iscsi-mountall tries to mount the iSCSI devices or "NUM_RETRIES" (default - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 10
mountall script if the devices are not getting configured in the system within the default time periods. Changing your "SLEEP_INTERVAL" from the default of TargetName, and a Linux SCSI target always maps to the same physical storage device from one reboot to the next. This feature ensures that the - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 11
section on Device Names are intended to provide a persistent device mapping for use by applications is no longer available to a host you can manually edit the file and remove entries so the obsolete your targets are mounted correctly after the iSCSI service is restarted or the system is rebooted. - HP LeftHand P4000 | HP LeftHand SAN Solutions Support Document - Application Not - Page 12
for details. Contact LeftHand Networks support before changing parameters other than the Discovery Address. Best Practices • Use ext3 or reiser filesystems for LeftHand SAN/iQ volumes. • Dedicated, full gigabit Ethernet should be allocated for your storage network. • Configure one of your
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HP LeftHand SAN Solutions
Support Document
Application Notes
Linux iSCSI