SPECsfs2008_nfs.v3 Result

NetApp, Inc. : FAS3160 (FCAL Disks with Performance Acceleration Module)
SPECsfs2008_nfs.v3 = 60507 Ops/Sec (Overall Response Time = 1.58 msec)


6006 0.8
12017 0.9
18052 1.1
24082 1.3
30168 1.4
36184 1.6
42303 1.9
48365 2.2
54479 2.8
60507 3.5
Performance Graph

Product and Test Information

Tested By NetApp, Inc.
Product Name FAS3160 (FCAL Disks with Performance Acceleration Module)
Hardware Available September 2009
Software Available August 2009
Date Tested July 2009
SFS License Number 33
Licensee Locations Sunnyvale, CA

The NetApp® FAS3100 series is the midrange of the FAS family of storage systems with our Unified Storage Architecture, which is flexible enough to handle primary and/or secondary storage needs for NAS and/or SAN implementations. The FAS3100 series features three models: the FAS3140, FAS3160, and FAS3170. Performance is driven by a 64-bit processing design that uses high throughput, low latency links and PCI Express for all internal and external data transfers. All FAS3100 systems scale to as many as 36 Ethernet ports or 40 Fibre Channel ports, including support for both 8Gb Fibre Channel and 10Gb Ethernet. These systems are housed in an efficient, HA-ready 6U form factor which allows for a shared chassis and backplane for dual controllers by sharing of common system power resources. The FAS3160, which was used in these benchmark tests, scales to a maximum of 672 disk drives and 672TB of capacity.

The NetApp Performance Acceleration Module (PAM) family provides a new way to optimize performance. Performance Acceleration Modules are optimized to improve the performance of random read intensive workloads such as file services. These PCI Express cards combine hardware and tunable caching software to reduce latency and improve I/O throughput without adding more disk drives. When multiple modules are configured in a single controller they function as a unified read cache. The FAS3160 system can be configured with up to two 256GB PAM II modules for a unified 512GB read cache in each of two controllers.

Configuration Bill of Materials

Item No Qty Type Vendor Model/Name Description
1 2 Storage Controller NetApp FAS3160A-IB-BASE-R5 FAS3160A,IB,ACT-ACT,OS,R5
2 1 Controller Chassis NetApp FAS3160A-CHASSIS-R5-C FAS3160,ACT-ACT,Chassis,AC PS,-C,R5
3 4 Disk Drives w/Shelf NetApp X94015A-ESH4-R5-C DS14MK4 SHLF,ACPS,14x300GB,15K,HDD,ESH4,-C,R5
4 2 Gigabit Ethernet Adapter NetApp X1039A-R6 NIC,2-port,GbE,Copper,PCIe,R6
5 2 PAM Adapter NetApp X1937A-R5-C ADPT,PAM II,PCIe,256GB-C,R5
6 2 Software License NetApp SW-T4C-NFS NFS Software,T4C
7 2 Software License NetApp SW-T4C-PAMII-C PAM II SW,T4C

Server Software

OS Name and Version Data ONTAP 7.3.2
Other Software None
Filesystem Software Data ONTAP 7.3.2

Server Tuning

Name Value Description
vol options 'volume' no_atime_update on Disable atime updates (applied to all volumes)

Server Tuning Notes


Disks and Filesystems

Description Number of Disks Usable Size
300GB FCAL 15K RPM Disk Drives 56 10.9 TB
Total 56 10.9 TB
Number of Filesystems 2
Total Exported Capacity 10.34 TB
Filesystem Type WAFL
Filesystem Creation Options Default
Filesystem Config Each filesystem was striped across 28 disks
Fileset Size 7031.1 GB

The storage configuration consisted of 4 shelves, each wth 14 disks. Pairs of shelves were daisy-chained such that the outputs of the first shelf in the pair were attached to the inputs of the second shelf in the pair. The first shelf in each pair had two 4Gbit/s FC-AL loop connections, each connected to one of four integrated FC-AL ports on a different storage controller. Each storage controller was the primary owner of 2 shelves, with the disks in those shelves forming a single disk pool or "aggregate". Each aggregate was composed of 2 RAID-DP groups, each RAID-DP group was composed of 12 data disks and 2 parity disks. Within each aggregate, a flexible volume (utilizing DataONTAP FlexVol (TM) technology) was created to hold the SFS filesystem for that controller. Each volume was striped across all disks in the aggregate where it resided. Each controller was the owner of one volume/filesystem, but the disks in each aggregate were dual-attached so that, in the event of a fault, they could be managed by the other controller via an alternate loop. A separate flexible volume residing in one of the aggregates owned by each controller held the DataONTAP operating system and system files.

Network Configuration

Item No Network Type Number of Ports Used Notes
1 Jumbo Frame Gigabit Ethernet 4 Dual-port gigabit ethernet PCI-e adapter

Network Configuration Notes

There were two gigabit ethernet network interfaces on each storage controller. The interfaces were configured to use jumbo frames (MTU size of 9000 bytes). All network interfaces were connected to a Cisco 6509 switch, which provided connectivity to the clients.

Benchmark Network

An MTU size of 9000 was set for all connections to the switch. Each load generator was connected to the network via a single 1 GigE port, which was configured with 4 separate IP addresses on separate subnets.

Processing Elements

Item No Qty Type Description Processing Function
1 4 CPU 2.6GHz Dual-Core AMD Opteron(tm) Processor 2218, 2MB L2 cache Networking, NFS protocol, WAFL filesystem, RAID/Storage drivers

Processing Element Notes

Each storage controller has two physical processors, each with two processing cores.


Description Size in GB Number of Instances Total GB Nonvolatile
Storage controller mainboard memory 8 2 16 V
Performance Acceleration Module memory 256 2 512 V
Storage controller integrated NVRAM module 2 2 4 NV
Grand Total Memory Gigabytes     532  

Memory Notes

Each storage controller has main memory that is used for the operating system and for caching filesystem data. A separate, integrated battery-backed RAM module is used to provide stable storage for writes that have not yet been written to disk.

Stable Storage

The WAFL filesystem logs writes and other filesystem modifying transactions to the integrated NVRAM module. In an active-active configuration, as in the system under test, such transacations are also logged to the NVRAM on the partner storage controller so that, in the event of a storage controller failure, any transactions on the failed controller can be completed by the partner controller. Filesystem modifying NFS operations are not acknowledged until after the storage system has confirmed that the related data are stored in NVRAM modules of both storage controllers (when both controllers are active). The battery backing the NVRAM ensures that any uncommitted transactions are preserved for at least 72 hours.

System Under Test Configuration Notes

The system under test consisted of two FAS3160 storage controllers housed in a single 6U chassis and 4 storage shelves, each with 14 300GB FC-AL disk drives. The two controllers were configured in an active-active cluster configuration using the high-availability cluster software option in conjunction with an InfiniBand cluster interconnect on the backplane of the shared chassis. A dual-port gigabit ethernet host bus adapter was present in a PCI-e expansion slot on each storage controller. A Performance Acceleration Module was present in a PCI-e expansion slot and enabled with default settings on each storage controller. The storage shelves were configured in pairs which were connected to each other via two 4Gbit/s FCAL connections. The first shelf in each pair had one 4Gbit/s FC-AL connection to each storage controller.The system under test was connected to a gigabit ethernet switch via 4 network ports (two per storage controller).

Other System Notes

All standard data protection features, including background RAID and media error scrubbing, software validated RAID checksumming, and double disk failure protection via double parity RAID (RAID-DP) were enabled during the test.

Test Environment Bill of Materials

Item No Qty Vendor Model/Name Description
1 10 SuperMicro SuperServer 6014H-i2 Workstation with 2GB RAM and Linux operating system
2 1 Cisco 6509 Cisco Catalyst 6509 Ethernet Switch

Load Generators

LG Type Name LG1
BOM Item # 1
Processor Name Intel Xeon
Processor Speed 3.40 GHz
Number of Processors (chips) 2
Number of Cores/Chip 2
Memory Size 2 GB
Operating System RHEL4 kernel 2.6.9-55.0.6.ELsmp
Network Type 1 x Intel 84546GB PCI-X GigE

Load Generator (LG) Configuration

Benchmark Parameters

Network Attached Storage Type NFS V3
Number of Load Generators 10
Number of Processes per LG 20
Biod Max Read Setting 8
Biod Max Write Setting 8
Block Size AUTO

Testbed Configuration

LG No LG Type Network Target Filesystems Notes
1..10 LG1 1 /vol/vol1 /vol/vol2 N/A

Load Generator Configuration Notes

All filesystems were mounted on all clients, which were connected to the same physical and logical network.

Uniform Access Rule Compliance

Each load-generating client hosted 20 processes. The assignment of processes to filesystems and network interfaces was done such that they were evenly divided across all filesystems and network paths to the storage controllers. The filesystem data was striped evenly across all disks and FC-AL loops on the storage backend.

Other Notes

Other test notes: None.

NetApp is a registered trademark and "Data ONTAP", "FlexVol", and "WAFL" are trademarks of NetApp, Inc. in the United States and other countries. All other trademarks belong to their respective owners and should be treated as such.

Config Diagrams

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First published at SPEC.org on 25-Aug-2009