HP StorageWorks 6000 HP StorageWorks VLS and D2D Solutions Guide (AG306-96028, - Page 117
Capacity Licensing, Table 22 Base Capacity License by VLS Model
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• Set the tape block size to 256 KB for all VLS tape drives. • Disable multiplexing/interleaving on all backup jobs to the VLS. • Identify clients on the SAN that are currently performing LAN-based backup but could be converted to LAN-free backup to improve performance. See LAN-free Backups. • Determine if there are performance bottlenecks in the current backup (e.g., LAN or SAN ISL bottlenecks) that you must resolve to allow full performance to the VLS. • Based on your offsite copy requirements, assess the configuration changes needed to implement offsite copy. See Considerations for Copies. • Copying through the backup application means creating copy jobs, ensuring there are good copy paths between the virtual library and the physical library on the SAN (e.g., plug into same switch), etc. • Copying with automigration means the system needs no changes to the backup application. • Copying with replication (deduplication-enabled) means the system needs no changes to the local backup application, but if there is a separate backup application at the target device this may require setting up an import script. Capacity Licensing The VLS devices are licensed by their usable disk capacity (in terms of array LUNs). Each VLS has an embedded "base capacity" that varies depending on the VLS model: Table 22 Base Capacity License by VLS Model VLS model Base capacity license VLS6218, 500 GB drives Covers the one MSA20 disk array enclosure that comes bundled. VLS6218, 750 GB drives Covers the one MSA20 disk array enclosure that comes bundled. VLS6636, 500 GB drives Covers the two MSA20s disk array enclosures that come bundled. VLS6653, 750 GB drives Covers the two MSA20 disk array enclosures that come bundled. VLS9000-series Each node adds a base license for one full VLS9000 array (48 drives, 30 TB or 40 TB). The entry-level VLS9000 7.5 and 10 TB systems do not need additional licenses to add capacity kits up to the full array configuration. VLS12000-series Each node adds a base license for 10 EVA LUNs. The base 2-node VLS12000 kit includes a 5-LUN upgrade license giving a total license of 25 LUNs of up to 2 TB each. If capacity is added to the VLS beyond the above base license level, you must install capacity upgrade licenses (which you can install via the VLS GUI). There is a different upgrade license for each VLS range: Table 23 Adding Capacity Beyond the Base Configuration VLS model VLS6000-series Capacity upgrade license Enables an additional MSA20 array with 250/500 GB drives or half an MSA20 array with 750/1000 GB drives per license (so you need two licenses to add an MSA20 array with 750/1000 GB drives). HP StorageWorks VLS and D2D Solutions Guide 117