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EMC's all-flash VNX arrays will soon scale up to 172 TB

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November 25, 2014

EMC's VNX-F range of all-flash arrays will soon scale up to 172 TB of usable capacity, with a cost of less than $5 per GB, using a new drive enclosure and higher-capacity drives.

These are block storage arrays, accessed by GbitE iSCSI, FCoE or 8Gbit/s Fibre Channel devices.

There are two products in this range-- the F5000 and F7000. Both are multi-core Xeon E5-2600 CPU-powered, dual-controller arrays with 6 Gbit/s SAS links to the disk array enclosures.

These systems are built using the latest VNX2 architecture and MCx multicore optimization, introduced in September 2013.

The F5000 has 2 x Xeon 4-core 1.8 GHz processors. The F7000 uses 2.2 GHz, 8-core CPUs.

Both products come with RAID 5 protection and are built for five 9s availability with mirrored write cache and proactive hot-sparing.

The Disk Processor enclosure is a 3U form factor with 25 x 2.5-inch drive slots. There is also a 2U, 25 x 2.5-inch drive array enclosure (DAE).

The VNX-F7000 will scale up to 172 TB of capacity when 1.6 TB SSDs are supported by EMC. The company adds that it has a new 3U, 120-slot drive array enclosure (DAE) coming for the VNX-F7000 which will take usable capacity up to 172 TB when used with 1.6 TB drives.

Both arrays offer controller-based data-at-rest encryption technology. Customers can use a Virtual Storage Integrator (VSI) for VMware admins, an app-aware provisioning EMC Storage Integrator tool for Windows, Hyper-V, VMware and Xen Server.

EMC Storage Analytics provides server-to-storage analytics and is powered by the vCenter Operations Manager analytics code.

Optional software includes a data protection suite, an application protection suite, the data-at-rest encryption, and the Unisphere Management Suite.

The less than $5 per GB cost for some VNX-F configurations is higher than Pure's $3 to $4 effective GB cost, but customers do inherit existing VNX data services and management facilities.

For comparison purposes, Pure Storage's FA-450 scales to 70 TB and a claimed 250 TB effective capacity after deduplication.

HP's StoreServ 7450 scales to 4670 TB, and has a claimed $2 per GB cost. Tegile's T3800 has a claimed 1.68 PB effective capacity after deduplication and a $1 per GB cost based on effective capacity.

Source: EMC.

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