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
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.
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