Specifications

Escala Tower PL & S, E, T System Hardware
Chapter 3: External Storage and SAN Subsystems 32/116
9es3s1c3.doc
Rev 5.9
02/12/2003
The basic package contains 1 SP and a single power supply. It can be upgraded with optional hardware
components to offer a fully redundant disk subsystem. Several packaging and capacity options allow to
build the most suited configuration, while preserving the evolutivity up to 120 disks.
The DAS5700 offers an excellent data protection solution for use with standalone servers, or as a
shared storage between multiple AIX servers and/or cluster nodes. It is well suited for environments
requiring high volumes of storage, and high levels of I/O performance.
The DAS 5700 can be shared by AIX and NT servers, using ASM (AIX SAN Manager) or [e-mail]!.
2.5.2. Configurability and Packaging
basic configuration
1 SP
high availability configuration
2 SP
base cabinet 1 DPE + 1 DAE within a 20 slots
cabinet
1 DPE + 1 DAE within a 20 slots cabinet
additional DAEs
30 slots cabinet 0..1 sin
g
le LCC/PS DAEs 0..1 dual LCC/PS DAEs
10 slots cabinet with initial orderin
g
0..2 sin
g
le LCC/PS DAEs 0..2 dual LCC/PS DAEs
10 slots cabinet with add-ons 0..4 sin
g
le LCC/PS DAEs 0..4 dual LCC/PS DAEs
memory (MB) 64, 128, 256, 512 64, 128, 256, 512
same value on both SPs
write cache not su
pp
orted
y
es
p
ower su
pp
l
y
1 PS - No dual PS o
p
tion 2
SPS 0 1
second SPS optional for higher
availabilit
y
ATF not a
pp
licable
y
es
For more information, refer to "2.1. Common Features of the DAS4500/5300/5700 and DAE 5000
Series" earlier in this chapter.
2.5.3. SAN Features
One or multiple servers can be connected to a DAS5700 using the connectors of the SP (two
connectors per SP). External hubs or switches can be used to increase connectivity. MIA can be
plugged on the DAS connectors to enable longer distances with multimode optical fibers, or to connect
to devices with native optical interfaces. Several DAS5700 can be connected to a single HBA on a
server using external hubs or switches.