Specifications

Escala Tower PL & S, E, T System Hardware
Chapter 3: External Storage and SAN Subsystems 54/116
9es3s1c3.doc
Rev 5.9
02/12/2003
From the server point of view, each server can only access to its allocated storage resource, (defined
through Navisphere Manager), avoiding conflicts and administrator errors with other servers sharing
the same array.
$
$
Cluster A
Cluster A
Cluster A
Cluster A
Server B
Server B
Server C
NT
Solaris
SGI
...
Server C
Server C
Server C
Server B
Rest of the
world
AIX - Escala
Access Logix requires well defined configurations:
•
DAS 4500 with dual SP or DAS 4700/4700-2
•
connection to fibre channel switches
•
dual adapters and ATF on all the servers sharing the DAS
Access Logix cannot be used for DAS connected to hubs, neither external, nor SP's built-in hubs.
switch switch
NT
Navisphere Mana
g
er
(NT mana
g
ement station)
ATF
LAN
ATF
Servers
AIX, NT, Solaris, ...
DAS 4000 series - dual SP
(one or more)
Switches
There is a version of Access Logix for each DAS product (4500, 4700 and 4700-2). Access Logix
provides the same features on all subsystems.