This document gives basic information about SCSI and its types and their limitations. It is supportive document for the iSCSI presentation uploaded with this document.

1. 1) Parallel SCSI:
- Parallel SCSI bus gives very High Bandwidth.
- Limitation of Parallel SCSI:
Limitations of
Parallel SCSI
Restrictive
Distance
Capability (few
meters only)
No. of
Connected
Devices (8-16)
Bandwidth
Limitations
when more than
1 device
Acceptable
considering a
Workstation or
small server

2. 2) Serial SCSI:
- SCSI Architecture Model (SAM) defines a Layered Model.
- Serial SCSI Protocols were:
1) Fiber Channel
2) Fire Wire
3) SSA
1) Fiber Channel:
-Provides Point to Point connectivity
- Connect up to 127 devices
- Fiber Channel Limitations:
Limitations of
FC
Price is too high
Limited Distance
(10-50 km)
Interoperability
Another Network to
maintain