Chapter V Connect Controller And Host; Key Terminology; Host Connection Notes - Inspur AS500H User Manual

Chapter V Connect Controller and Host

5.1 Key terminology

Access volume
A special volume, used to manage communication between the host and storage. access
volume is only used for in-band management.
Switch structure and direct connection
Using an optical switch to connect disk array and the host is called a switch structure, while
direct connection means to connect without switch, server or disk array.
In-band management
A storage management method, under which management host uses data transmission
channel to transfer management commands and information.
Out-of-band management
Use Ethernet network to connect storage, and manage storage array.

5.2 Host connection notes

Host channel
Each controller has 2 SAS host channels and 4 FC host channels.
The following Figure 5-1 is host channels of controller.
Figure 5-1 Host Channels and Host Interface Card Illustration
Note: 1. Do not dismantle or take out any part of SFP on host channel, you may expose to laser
radiation.
2. Static discharge may damage sensitive components, in order to avoid damaging the
equipment, please adopt proper anti-static protective measures while handling any part.
Host interface cards
AS500H host interface cards (HIC) are as shown in the above Figure 5-1, FC HIC cards (4
8Gb FC channels), 0Gb iSCSI HIC cards (2 10Gb iSCSI channels); 1Gb iSCSI HIC cards (4
1Gb iSCSI channels), if use a 4Gb FC HBA card to connect an 8Gb FC HIC card, data
transmission rate will be at 4Gb/s.
Host Channel HIC Card Host Channel HIC Card