SPECsfs97_R1.v3 Result =============================================================================== EMC Corp. : EMC Celerra NS20 Multi-protocol Storage SPECsfs97_R1.v3 = 22248 Ops/Sec (Overall Response Time = 2.17 msec) =============================================================================== Throughput Response ops/sec msec 2200 0.7 4459 0.8 6631 1.2 8896 1.5 11135 1.8 13321 2.2 15573 2.7 17908 3.4 19929 4.3 22248 6.1 =============================================================================== Server Configuration and Availability Vendor EMC Corp. Hardware Available November 2007 Software Available September 2007 Date Tested November 2007 SFS License number 47 Licensee Location Hopkinton, MA CPU, Memory and Power Model Name EMC Celerra NS20 Multi-protocol Storage Processor 2.8 GHz Intel Pentium 4 (Nocona) # of Processors 2 cores, 2 chips, 1 core/chip with HT Technology enabled (2 chips per blade) Primary Cache 16KB Data + 12k instruction uOPs Secondary Cache 1 MB (unified) Other Cache N/A UPS N/A Other Hardware N/A Memory Size 4 GB NVRAM Size N/A NVRAM Type N/A NVRAM Description N/A Server Software OS Name and Version DART 5.5.31.6 Other Software N/A File System UxFS NFS version 3 Server Tuning Buffer Cache Size Dynamic # NFS Processes 4 Fileset Size 212.7 GB Network Subsystem Network Type Jumbo Gigabit Ethernet Network Controller Desc. Gigabit Ethernet Controller Number Networks 1 Number Network Controllers 4 Protocol Type TCP Switch Type Cisco 6500 Gbit Switch (Jumbo) Bridge Type N/A Hub Type N/A Other Network Hardware N/A Disk Subsystem and Filesystems Number Disk Controllers 2 Number of Disks 60 Number of Filesystems 1 File System Creation Ops default File System Config The file system is striped across 60 disks. These disks were bound into 12 RAID-5 LUNs with a stripe element size of 64 KB. The first 5 disks share space with the Celerra reserved LUNs that contain the file system logs. Disk Controller Integrated 4 GB Fibre Channel # of Controller Type 1 Number of Disks 60 Disk Type 15K RPM 146 GB Fibre Channel (part # 005048701) File Systems on Disks File system fs1 (60 disks), UxFS log shares 5 disks Special Config Notes 1 GB memory per SP (Configured as 278 MB Mirrored write cache, 32 MB read cache per SP of the CX3-10 Storage Array). See notes below. Load Generator (LG) Configuration Number of Load Generators 15 Number of Processes per LG 10 Biod Max Read Setting 5 Biod Max Write Setting 5 LG Type LG1 LG Model Dell PowerEdge 1850 Number and Type Processors 2 x 3 GHz Intel P4 Xeon Memory Size 2 GB Operating System Linux 2.6.9-11.ELsmp Compiler GCC 3.4.3 Compiler Options None Network Type Intel Corporation 82541GI/PI Gigabit Ethernet Controller (rev 05) Testbed Configuration LG # LG Type Network Target File Systems Notes ---- ------- ------- ------------------- ----- 1..15 LG1 1 /fs1 N/A =============================================================================== Notes and Tuning <> Server tuning: <> param ufs inoBlkHashSize=170669 (inode block hash size) <> param ufs inoHashTableSize=1218761 (inode hash table size) <> param ufs updateAccTime=0 (disable access-time updates) <> param nfs withoutCollector=1 (enable NFS-to-CPU thread affinity) <> param file asyncthreshold=8 (maximum number of blocks cached by NFSv3 async writes) <> param file prefetch=0 (disable DART read prefetch) <> param kernel maxStrToBeProc=16 (no. of network streams to process at once) <> param kernel outerLoop=8 (8 consecutive iterations of network packets processing) <> param kernel buffersWatermarkPercentage=5 (flushing buffer cache threshold) <> file initialize nodes=1000000 dnlc=1656000 (no. of inodes, no. of dirctory name lookup cache entries) <> nfs start openfiles=980462 nfsd=4 (no. of open files and 4 NFS daemons) <> <> Storage array notes: <> The integrated CX3-10 used for storage exposes LUNs across multiple Fibre ports. <> Each LUN is configured 4+1 RAID 5 on 5 physical drives. Each LUN is 534 GB in size, <> except for the LUN on the first five disks, which is 372 GB. <> There are 2 fibre ports which connect each NAS X-blade to the X-Blade of <> CX3-10 SPs (1 connection per CX3-10 SP). Each of the 2 CX3-10 blades has 1 GB <> of memory. 278 MB write cache was configured per SP pair. The write cache is <> mirrored between the CX3-10 SP's. 32 MB read cache was configured on each <> CX3-10 blade. <> <> The memory is backed up with sufficient battery power to safely destage all <> data in the write cache to the disk in the event of a power failure. =============================================================================== Generated on Tue Dec 4 16:18:23 EST 2007 by SPEC SFS97 ASCII Formatter Copyright (c) 1997-2007 Standard Performance Evaluation Corporation