Specifications

Escala Tower PL & S, E, T System Hardware
Chapter 3: External Storage and SAN Subsystems 10/116
9es3s1c3.doc
Rev 5.9
02/12/2003
2.1.2.3.Technical specifications
8.8 GB – 10 K rpm 17.8 GB – 10K rpm 36 GB – 10K rpm 72 GB – 10K rpm 17.1 GB – 15K rpm 36 GB – 15K rpm
Form factor 3.5” 3.5” 3.5” 3.5” 3.5” 3.5”
Height 1.0” 1.0” 1.0” 1.0” 1.0” 1.0”
Rotational speed 10 000 rpm 10 000 rpm 10 000 rpm 10 000 rpm 15 000 rpm 15 000 rpm
Interface Fibre Channel Fibre Channel Fibre Channel Fibre Channel Fibre Channel Fibre Channel
Data buffer 1 MB 4 MB 16 MB 16 MB 8 MB 8 MB
Transfer rates
Buffer to/from media 17.2 – 25.3 MB/s 26.7 – 40.2 MB/s 26.7 - 40.2 MB/s 36.0 - 58.0 MB/s 51.8 - 68.1 51.8 - 68.1
SP or HBA to/from buffer 100 MB/s (max) 100 MB/s (max) 100 MB/s (max) 100 MB/s (max) 100 MB/s (max) 100 MB/s (max)
Access time
average access read 5.2 ms read 5.4 ms read 5.4 ms read 5.2 ms read 3.8 ms read 4.0 ms read
average access write 6.0 ms write 6.2 ms write 6.2 ms write 5.9 ms write 4.2 ms write 4.2 ms write
Rotational latency 2.99 ms 2.99 ms 2.99 ms 2.99 ms 2 ms 2 ms
Connector 40-pin, FC-SCA-2 40-pin, FC-SCA-2 40-pin, FC-SCA-2 40-pin, FC-SCA-2 40-pin, FC-SCA-2 40-pin, FC-SCA-2
Monitoring protocol SES/SFF-8067 SES/SFF-8067 SES/SFF-8067 SES/SFF-8067 SES/SFF-8067 SES/SFF-8067
EOC
31/10/2000
EOC
31/10/2001
EOC
31/12/2002
EOC
31/12/2002