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Dell PowerVault TL2000 Manual

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Dell PowerVault TL2000 | Manual - Page 1
iSCSI for TL-Series Tape Libraries Direct Attach a Dell PowerVault TL2000 / TL4000 to an iSCSI SAN By Michael Linane, Jo Ann Varble, Neil Ozarkar , Curt Krempin and Charles Butler Dell │ Storage Product Group www.dell.com/TLseries November 2008
Dell PowerVault TL2000 | Manual - Page 2
STEP-BY-STEP 4 NETWORK SETTINGS 6 STORAGE TARGETS : TL2000 / TL4000 9 CONFIGURING AN MD3000i 9 BACKUP EXEC 12 FOR WINDOWS SERVER INSTALLATION 10 SUMMARY 10 FIGURES FIGURE 1 : Microsoft's iSCSI Initiator 5 FIGURE 2 : IP Address 6 FIGURE 3 : iSCSI Targets 6 FIGURE 4 : Target Log On
Dell PowerVault TL2000 | Manual - Page 3
CONTENTS FIGURE 19 : Options and Agents Screen 13 FIGURE 20 : Backup Job Selections Screen 15 FIGURE 21 : Device and Media Screen 15 FIGURE 22 : Backup Jobs General Settings Screen 16 FIGURE 23 : Backup Jobs Schedule Screen 16 FIGURE 24 : Job Monitor Screen 17 FOR FURTHER
Dell PowerVault TL2000 | Manual - Page 4
tape libraries (Dell PowerVault TL2000 & TL4000). This offering allows a customer to directly attach a tape backup target to their iSCSI 1Gb Ethernet SAN with little to no degradation in transfer speed, 90 MB/s in most cases. The following white paper explores the setup Installation - iSCSI networks
Dell PowerVault TL2000 | Manual - Page 5
complement the Dell PowerVault MD3000i and Dell EqualLogic & EMC line of iSCSI interface disk storage systems, Dell has introduced an iSCSI-to-SAS Bridge Card for the Dell PowerVault TL2000 & TL4000 tape libraries. This card, when inserted into a TL-Series tape library, acts as an iSCSI target and
Dell PowerVault TL2000 | Manual - Page 6
iSCSI for TL-Series Tape Libraries On the Discovery tab, the IP address of the iSCSI target needs to be entered. Figure 2 : IP Address On the Targets tab, the available iSCSI targets are displayed and available for log-on. Figure 3 : iSCSI Targets Figure 4 : Target Log On SEPTEMBER 2008 6
Dell PowerVault TL2000 | Manual - Page 7
for TL-Series Tape Libraries One drawback to Microsoft's iSCSI Initiator is that it does use the server cycles to create the iSCSI packets. This, in include the use of a HW iSCSI HBA or other off-load engine. This would remove the SCSI-to-iSCSI conversion workload from the server's microprocessor
Dell PowerVault TL2000 | Manual - Page 8
iSCSI for TL-Series Tape Libraries Use of Jumbo Frames - Although somewhat controversial, in a clean network, jumbo frames can significantly improve the performance of back-up jobs. However, if the network is subject to dropping packets (e.g., high traffic), the performance
Dell PowerVault TL2000 | Manual - Page 9
iSCSI for TL-Series Tape Libraries For Jumbo frames to function properly, the entire path between the back-up server to the storage target needs to enable jumbo frames. Assuming a PowerConnect
Dell PowerVault TL2000 | Manual - Page 10
found in the documentation for the MD3000i on www.support.dell.com. To configure the iSCSI settings, go to the iSCSI tab in MDSM (Figure 15). To configure the host ports, select "Configure iSCSI Host Ports" (Figure 16). There are 2 Host Ports on each controller, and they are, by default, assigned IP
Dell PowerVault TL2000 | Manual - Page 11
go to the "Configure" tab on the MDSM and select "Configure Host Access - Manual". Enter the host name into the configuration, select the operating system, and select "Next". This will guide the user to a screen to select iSCSI initiators. If a known initiator is displayed, highlight it, click "Add
Dell PowerVault TL2000 | Manual - Page 12
iSCSI for TL-Series Tape Libraries Windows Servers it is recommended that you run the Backup Exec Environment Check on the system which is planned to contain the Backup Exec installation. The Backup Exec Environment Check is included with the installation media. The Environment Check analyzes the
Dell PowerVault TL2000 | Manual - Page 13
or 3rd party device drivers for use with the tape hardware Once the wizard completes, Backup Exec will be installed on the system. The next step is to install the Remote Agent for Windows Systems on the remote systems that are being protected. The Remote Agent is a system service that runs on remote
Dell PowerVault TL2000 | Manual - Page 14
per system. Implementing the Strategy within Backup Exec A Dell PowerVault TL2000 can accommodate up to 2 tape drives (2U) and a TL4000 can accommodate up to 4 tape drives (4U) and backup jobs can be created to utilize each drive in the tape library. For this environment, we will be running a full
Dell PowerVault TL2000 | Manual - Page 15
iSCSI for TL-Series Tape Libraries Figure 20 : Backup Job Selections Screen Next, select the destination for the backup jobs. In this environment, the Dell TL2000 is being targeted. Select the Dell TL2000 under the Device and Media setting: Figure 21 : Device and Media Screen Next, select the
Dell PowerVault TL2000 | Manual - Page 16
iSCSI for TL-Series Tape Libraries Figure 22 : Backup Jobs General Settings Screen Finally, create monitored using the 'Job Monitor' tab from the Backup Exec main interface. The incremental backups can be setup in a similar manner to the full backup that was just created. The backup wizard is run to
Dell PowerVault TL2000 | Manual - Page 17
of media server, job, alert, device, and media activity. tape strategy to support offsite storage of backups Figure 24 : Job Monitor Screen SECTION 8 SUMMARY To supplement the growth in iSCSI SANs, Dell has introduced an iSCSI-to-SAS bridge card option for the TL-series of tape libraries (TL2000