Dot Hill Systems 4524 - Connecting Two Storage Systems for Replication: Multiple Servers;Switches;Two Locations

AssuredSAN 4004 Series Setup Guide 73
Multiple servers/different networks/multiple switches
Figure 76 shows the rear panel of two 4824/4834/4844 controller enclosures with I/O and replication
occurring on different networks.
Figure 76 Connecting two storage systems for replication: multiple servers/switches/two locations
Figure 77 shows the rear panel of two 4854 controller enclosures with I/O and replication occurring on
different networks.
Figure 77 Connecting two storage systems for replication: multiple servers/switches/two locations
The diagram entitled “Connecting two storage systems for replication: multiple servers/SAN fabric/two
locations” (Figure 78 on page 74) shows the rear-panel of two 4824/4834/4844 controller enclosures
with both I/O and replication occurring on different networks.
This diagram represents two branch offices cabled to enable disaster recovery and backup. In case of
failure at either the local site or the remote site, you can fail over the application to the available site.
6Gb/s
6Gb/s
S
S
A
S
S
A
6Gb/s
6Gb/s
S
S
A
S
S
A
Remote site "A"
CNC
I/O switch
To host servers
Remote site "B"
To host servers
CNC
I/O switch
Peer sites with failover
4824/4834/4844 controller enclosure 4824/4834/4844 controller enclosure
WAN
Ethernet
6Gb/s 6Gb/s
6Gb/s 6Gb/s
Remote site "A"
CNC
I/O switch
To host servers
Remote site "B"
To host servers
CNC
I/O switch
Peer sites with failover
4854 controller enclosure 4854 controller enclosure
WAN
Ethernet