HP recently announced the addition of inline deduplication and new high density SSDs to their all-flash 3PAR StoreServ 7450. Moreover, IDC recently reported that HP storage business grew over 55% year over year for 1Q 2104 results and as a result, has moved up to 3rd place ahead of IBM in storage market share.
New 3PAR 7450 enhancements
HP has now introduced Thin Deduplication which adds a hardware accelerated, block-level inline deduplication to their all-flash version 3PAR StoreServ 7450 storage. The 3PAR 7450 originally came with thin provisioning and hardware assisted, Zero block detect, but the new inline deduplication capability provides a further degree of data reduction that can reduce storage capacity requirements from 4X to 6X over non-deduplicated storage (depending on the dataset of course). Thin deduplication can be enabled on a per CPG (Common Provisioning Group) basis – enabling flexibility to have some Volumes/LUNs deduplicated while others remaining thin.
HP also introduced a new commercial grade flash (cMLC) SSD with 1.9TB of usable capacity. Along with the cMLC storage, HP developed Adaptive Sparing, which can make use of spare chunks as additional overprovisioned flash to prolong write endurance of the storage. Adaptive sparing allows the HP 3PAR 7450 system to supply 20% more usable flash capacity per drive. Further, HP now offers a full 5-year warranty on 1.9TB cMLC, and 920GB/480GB MLC SSDs. These SSDs take advantage of the Adaptive Sparing technology.
In addition to the hardware assisted deduplication and new SSDs, HP has introduced a patented Express Indexing for hash lookup, which provides a more scalable/faster way of detecting duplicate write blocks in the data stream.
Given the inline deduplication, denser SSDs, and new faster hash tag lookup, the new HP 3PAR StoreServ 7450 now supports up to ~1.4PB of deduplicated storage using only 460TB of raw storage.
Another new feature that comes with Thin Deduplication is Thin Clones. Thin Clones can be used to make deduped VM clones for Microsoft Hyper V and VMware systems. For Thin Clones, no additional data is actually stored or copied, and as such, they require no additional space. Thin clones are created using meta-data table updates alone.
Earlier this year, HP announced that their all-flash 3PAR StoreServ 7450 was able to sustain 900K random read IOPS at less than 0.7msec average latency. There were no new performance claims for Thin Deduplication but as these were random reads, performance shouldn’t be impacted too seriously.
The HP 3PAR StoreServ 7450 new SSD storage, Thin Deduplication and Thin Clones will be generally available sometime later in the 3rd quarter.
Other 3PAR StoreServ enhancements
With the previous generation 3PAR Online Import, HP 3PAR offered data migration online from EVA storage, but HP now supports 3PAR Online Import from EMC CX4 and VNX storage to 3PAR StoreServ storage.
In addition to HP’s current “Get THIN Guarantee” that guarantees customers can reduce their raw capacity requirement by 50%, HP is now adding a “Get 6-nines’s Availability Guarantee” which applies to any 3PAR StoreServ system that uses quad-controllers and follows best-practices availability recommendations. HP will guarantee 99.9999% data availability for these customers.
HP indicated that up until now, all flash storage systems were generally relegated to niche markets that required extreme performance but could afford the high price of flash storage. With the new inline, hardware assisted deduplication, HP can sell all flash, 7450 storage at around $2/usable GB that matches current high performance enterprise disk storage and allows the all-flash 3PAR StoreServ 7450 to provide an interesting alternative to traditional high-end arrays like an EMC VMAX.
The only all-flash storage that comes closer to this level of pricing comes from startups or from vendors that have acquired such startups. But, so far the all-flash startups haven’t reached functional parity with enterprise class storage. By adding the all-flash option together with inline, hardware assisted deduplication to their 3PAR StoreServ 7450, HP can deliver enterprise class functionality, with all-flash performance, at a price that matches all-disk system storage.
Not clear what the real performance is for the 3PAR StoreServ 7450 with Thin Deduplication enabled but even a SPC-1 run without Thin Deduplication enabled would help. Alas, as we went to press there were no HP 3PAR StoreServ 7450 SPC-1 results. The closest HP submission to the current 7450 was a 3PAR StoreServ 7400 (a precursor to the 7450) with 32-100 GB SLC SSDs that attained 258K IOPS at a LRT of 0.33 msec. Impressive latency numbers, but nowhere near the 900K IOPS claimed for random reads on the 7450. However, SPC-1 is a different workload than a pure 100% random 4KB read so they probably can’t be compared. So we will need to wait until HP submits SPC-1 results to see how it performs on SPC-1.
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Silverton Consulting, Inc. is a Storage, Strategy & Systems consulting services company, based in the USA offering products and services to the data storage community.