SPECsfs2008_nfs.v3 Result

Throughput (ops/sec) Response (msec) 60571 0.2 121278 0.3 182106 0.4 243041 0.5 303870 0.6 364670 0.7 425747 0.9 487902 1.1 548184 1.5 607647 5.5

Tested By	Hitachi Data Systems
Product Name	Hitachi Unified Storage File, Model 4100, Four Node Cluster
Hardware Available	July 2013
Software Available	September 2013
Date Tested	August 2013
SFS License Number	276
Licensee Locations	Santa Clara, CA, USA

The Hitachi Unified Storage (HUS) and Hitachi NAS (HNAS) Platform family of products provide multiprotocol support to store and share block, file and object data types. The 4000 series delivers best-in-class performance, scalability, clustering with automated failover, 99.999% availability, non-disruptive upgrades, smart primary deduplication, intelligent file tiering, automated migration, 256TB file system pools, a single namespace up to the maximum usable capacity, and are integrated with the Hitachi Command suite of management and data protection software. The HUS file module uses a hardware-accelerated "Hybrid Core" architecture that accelerates network and file protocol processing to achieve the industry's best performance in terms of both throughput and Operations per second. The HUS file uses an object-based file system (Silicon File System) and virtualization to deliver the highest scalability in the market, enabling organizations to consolidate file servers and other NAS devices into fewer nodes and storage arrays for simplified management, improved space efficiency and lower energy consumption. Each 4100 node or cluster can scale up 16PB of usable data storage and support 10GbE LAN access and 8Gbps FC storage connectivity.

Hitachi Unified Storage VM includes flash optimized system software and patented Hitachi Accelerated Flash to improve application performance. Utilizing external storage virtualization and automated tiering, HUS VM centralizes storage management of multiple storage tiers for the highest economic value.

Item No	Qty	Type	Vendor	Model/Name	Description
1	4	Server	HDS	SX345384.P	Hitachi NAS 4100 Base System
2	1	Server	HDS	SX345278.P	System Management Unit (SMU)
3	1	Software	HDS	SX365131.P	Hitachi NAS SW - Software Bundle
4	16	FC Interface	HDS	FTLF8528P3BNV.P	SFP+ 8Gbps FC
5	24	Interface	HDS	FTLX8571D3BCV.P	SFP+ 10GE
6	1	Storage	HDS	HUS-VM-SOLUTION.S	HUS VM Storage Platform
7	1	Storage	HDS	HUS-VM-A0001.S	HUS VM Product
8	1	Chassis	HDS	DW700-CBX.P	HUS VM Controller Chassis
9	16	Cache	HDS	HDW-F700-16GB.P	HUS VM 16GB Cache Module
10	1	Cache	HDS	DW-F700-BM256.P	HUS VM Cache Flash Memory Module (in use only during power outage)
11	64	Drives	HDS	HDW-F700-1R6FM.P	HUS VM 1.6TB Flash Module Drive
12	6	Drive Chassis	HDS	DW-F700-DBF.P	HUS VM Drive Box (Flash)
13	4	FC Interface	HDS	HDW-F700-HF8G.P	HUS VM 4x8Gbps FC Interface Adapter
14	4	Disk Adapter	HDS	DW-F700-BS6G.P	HUS VM B/E I/O Module
15	1	Rack	HDS	A3BF-SOLUTION.P	Solution 19 in rack ROW MIN
16	5	Software	HDS	304-232001-03.P	SVC Mo HUS VM Hitachi BOS Base Lic (20TB) - SW Sppt
17	2	Switch	Brocade	HD-5320-0008.P	Brocade 5320 FC Switch
18	2	Switch	Brocade	TI-24X-AC.P	Brocade TurboIron 24x 10GbE switch for Cluster Interconnect

OS Name and Version	11.2.3319.09
Other Software	None
Filesystem Software	SiliconFS 11.2.3319.09

Name	Value	Description
security-mode	UNIX	Security mode is native UNIX
cifs_auth	off	Disable CIFS security authorization
cache-bias	small-files	Set metadata cache bias to small files
fs-accessed-time	off	Accessed time management was turned off
shortname	off	Disable short name generation for CIFS clients
read-ahead	0	Disable file read-ahead

Server Tuning Notes

None

Description	Number of Disks	Usable Size
1.6TB Hitachi Accelerated Flash module drive	64	89.6 TB
250GB SATA Disks. These eight drives (two mirrored drives per node) are used for storing the core operating system and management logs. No cache or data storage.	8	1000.0 GB
Total	72	90.5 TB

Number of Filesystems	8
Total Exported Capacity	89.6TB
Filesystem Type	WFS-2
Filesystem Creation Options	4KB filesystem block size
Filesystem Config	Each file system was striped across 8 LUNs from a single 7D+1P, RAID-5 Group consisting of 8 Flash module drives.
Fileset Size	70907.5 GB

The storage configuration consisted of one Hitachi Unified Storage VM All Flash storage system (HUS VM) configured with single chassis and 256GB cache memory. There were 64 1.6TB Hitachi Accelerated Flash module drives in use to meet the capacity and performance requirements of the benchmark. There were 64 LUNs created using RAID-5, 7D+1P. There were sixteen 8Gbps FC ports in use across two FED features located in different clusters. The FC ports were connected to the 4100 nodes via a redundant pair of Brocade 5320 switches. The 4100 nodes were connected to each Brocade 5320 switch via two 8Gbps FC connections, such that a completely redundant path exists from each node to the storage. Each Hitachi Unified Storage file module nodes have two internal mirrored hard disk drives that are used to store the core operating software and system logs. These drives are not used for cache space or for storing data.

Item No	Network Type	Number of Ports Used	Notes
1	10 Gigabit Ethernet	4	Integrated 10GbE Ethernet controller

Network Configuration Notes

One 10GbE network interface from each 4100 node was connected to a Hitachi Apresia 15000-32XL-PSR switch, which provided network connectivity to the clients. The interfaces were configured to use Jumbo frames.

Each LG has an Intel XF SR10GbE single port PCIe network interface. Each LG connects via a single 10GbE connection to the ports on the Hitachi Apresia 15000-32XL-PSR switch.

Item No	Qty	Type	Description	Processing Function
1	4	FPGA	Altera Stratix IV EP4SE530	Filesystem
2	12	FPGA	Altera Stratix IV EP4SGX360	Network Interface, Storage Interface, NFS
3	4	CPU	Intel Xeon Quad-Core CPU	Management
4	2	CPU	Intel Xeon 8-Core CPU	HUS VM I/O Management
5	2	ASIC	Hitachi Custom ASIC	HUS VM data engine

Processing Element Notes

Each 4100 node has 4 FPGAs that are used for processing functions. The HUS VM storage system is equipped with two Intel Xeon 8-Core CPUs and Hitachi custom ASICs.

Description	Size in GB	Number of Instances	Total GB	Nonvolatile
Server Main Memory	32	4	128	V
Server Filesystem and Storage Cache	68	4	272	V
Server Battery-backed NVRAM	8	4	32	NV
Cache Memory Module(HUS VM)	16	16	256	NV
Grand Total Memory Gigabytes			688

Memory Notes

Each 4100 node has 32GB of main memory that is used for the operating system and in support of the FPGA functions. 68GB of memory is dedicated to filesystem metadata, sector cache and for other purposes. A separate, integrated battery-backed NVRAM module (8GB) on the filesystem board is used to provide stable storage for writes that have not yet been written to disk. The HUS VM storage system was configured with 256GB Memory.

The Hitachi Unified Storage File node writes to the battery based (72 hours) NVRAM internal to the Server first. The data from NVRAM is then written to the backend storage system at the earliest opportunity, but always within a few seconds of arrival in the NVRAM. In a four node active-active cluster configuration, the contents of the NVRAM are synchronously mirrored (in a round robin fashion) to ensure that in the event of one or two node failover, any pending transactions can be completed by the remaining nodes. The data from the node is then written onto the battery backed backend storage system cache (a second layer of NVRAM in the entire solution) and are backed up onto the Cache Flash Memory modules in the event of a power outage. The Cache Flash Memory modules in the backend storage system are part of the total solution, but are used only during power outage and never used as cache space.

The system under test consisted of four Hitachi Unified Storage File 4100 nodes, connected to a HUS VM All Flash storage system via two Brocade 5320 FC switches. The nodes were configured in an active-active cluster mode and are connected by a redundant pair of 10GbE connections to the cluster interconnect ports via two Brocade TurboIron 24X 10GbE switches (cluster interconnect switches). The HUS VM All Flash storage system consisted of 64 1.6TB Hitachi Accelerated Flash module drives. All the connectivity from server to the storage was via two 8Gbps switched FC fabric. For these tests, there were 2 zones created on each FC switch. Each 4100 server was connected to each zone via 2 integrated 8Gbps FC ports (corresponding to 2 FC ports). The HUS VM storage system was connected to the 2 zones (corresponding to 16 FC ports) providing I/O path from the server to storage. The System Management Unit (SMU) is part of the total system solution, but is used for management purposes only and was not active during the test.

None

Item No	Qty	Vendor	Model/Name	Description
1	16	Oracle	Sun Fire x2200	RHEL 5 clients, two Dual core processors, 8GB RAM
2	1	Hitachi	Apresia	Hitachi Apresia 15000-32XL-PSR 10GbE Switch

LG Type Name	LG1
BOM Item #	1
Processor Name	AMD Opteron
Processor Speed	2.6 GHz
Number of Processors (chips)	2
Number of Cores/Chip	2
Memory Size	8 GB
Operating System	Red Hat Enterprise Linux 5, 2.6.18-8.e15 kernel
Network Type	1 x Intel XF SR PCIe 10GbE

Benchmark Parameters

Network Attached Storage Type	NFS V3
Number of Load Generators	16
Number of Processes per LG	200
Biod Max Read Setting	2
Biod Max Write Setting	2
Block Size	64

Testbed Configuration

LG No	LG Type	Network	Target Filesystems	Notes
62..77	LG1	1	/w/d0, /w/d1, /w/d2, /w/d3, /w/d4, /w/d5, /w/d6, /w/d7	None

Load Generator Configuration Notes

All the target filesystems from each node were accessed by all the clients.

All the filesystems from each node were mounted on all the clients. Each load generating client hosted 200 processes, accessing all the 8 target file systems (/w/d0, /w/d1, /w/d2, /w/d3, /w/d4, /w/d5, /w/d6, /w/d7).

Other test notes: None

Hitachi Unified Storage, Hitachi Unified Storage VM, Hitachi NAS Platform and Virtual Storage Platform are registered trademarks of Hitachi Data Systems, Inc. in the United States, other countries, or both. All other trademarks belong to their respective owners and should be treated as such.

• Configuration Diagram