Table Of Contents - Seagate ST12400N Product Manual

vi
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1.0 Scope ........................................................................................................................................... 1
2.0 Applicable standards and reference documentation ............................................................... 2
2.1 Standards ........................................................................................................................ 2
2.2 Applicable reference documents ...................................................................................... 2
3.0 General description .................................................................................................................... 3
4.0 Standards features ..................................................................................................................... 5
4.1. Performance .................................................................................................................... 5
4.1.1
4.2 Unformatted and formatted capacities ............................................................................. 6
4.3 Options (factory installed) ................................................................................................ 6
4.4 Optional accessories (user installed) ............................................................................... 6
4.5 Installation ........................................................................................................................ 7
5.0 Performance characteristics ...................................................................................................... 8
5.1 Internal drive characteristics (transparent to user) ........................................................... 8
5.2 SCSI drive Seek, Read and Write performance characteristics (Visible to User) ............. 8
5.2.1
5.2.2
5.2.3
5.2.4
5.3 Generalized performance characteristics ........................................................................ 10
5.3.1
5.4 Start/stop time 11
5.5 Prefetch/multi segmented cache control .......................................................................... 12
5.5.1
5.5.2
5.6 Caching write data ........................................................................................................... 14
5.7 Synchronized spindle operation ....................................................................................... 14
6.0 Reliability specifications ............................................................................................................ 18
6.1 Error rates ........................................................................................................................ 18
6.1.1
6.1.2
6.1.3
6.1.4
6.2 Reliability and service ...................................................................................................... 19
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
Product Manual - Hawk 2 Family SCSI-2 (Volume 1), Rev. C

Table of contents

Reliability ............................................................................................................ 5
Seek command execution time ........................................................................... 8
Format drive command execution time ............................................................... 9
Read data command execution time ................................................................... 9
Write data command execution time ................................................................... 9
Notes for sections 5.2 and 5.3 ............................................................................ 11
Cache operation .................................................................................................. 12
Prefetch operation ............................................................................................... 13
Read errors ....................................................................................................... 18
Environmental interference ................................................................................ 18
Write errors ....................................................................................................... 19
Seek errors ........................................................................................................ 19
Mean time between failure................................................................................. 19
Preventive maintenance .................................................................................... 19
Service life ......................................................................................................... 19
Service philosophy ............................................................................................ 20
Installation ......................................................................................................... 20
Service tools ...................................................................................................... 20
Product Warranty ............................................................................................... 20