VCE Vblock™ System 320 Gen 3.1 Architecture Overview
VCE Vblock™ System 320 Gen 3.1 Architecture Overview
VCE Vblock™ System 320 Gen 3.1 Architecture Overview
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<strong>VCE</strong> Vblock <strong>System</strong> <strong>320</strong> <strong>Gen</strong> <strong>3.1</strong> <strong>Architecture</strong> <strong>Overview</strong>Storage layer hardwareDisk array enclosure packsIf the number of RAID packs in a Vblock <strong>System</strong> is expanded, more disk array enclosures (DAEs) might berequired. DAEs are added in packs. The number of DAEs in each pack is equivalent to the number of backendbuses in the EMC VNX array in the Vblock <strong>System</strong>. The following table lists the number of buses in thearray and the number of DAEs in the pack for each Vblock <strong>320</strong>:Vblock <strong>320</strong> Number of buses in the array Number of DAEs in the DAE packVblock <strong>320</strong> with EMC VNX 7500 8 8Vblock <strong>320</strong> with EMC VNX 5700 4 4Vblock <strong>320</strong> with EMC VNX 5500 2 2 (base includes DPE as the first DAE)Vblock <strong>320</strong> with EMC VNX 5300 2 2 (base includes DPE as the first DAE)There are two types of DAEs: a 15 drive 3U enclosure for 3 ½ inch form factor drives, and a 25 drive 2Uenclosure for 2 ½ inch form factor drives. A DAE pack can contain a mix of DAE sizes, as long as the totalDAEs in the pack equals the number of buses. To ensure that the loads are balanced, physical disk will bespread across the DAEs in accordance with best practice guidelines.© 2013 <strong>VCE</strong> Company, LLC.All Rights Reserved.35
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