| Enclosure: |
|
| Form Factors |
44mm(H) x 427mm(W)
x 537mm(D, front ears included); front and rear mounted
in 19" rack |
| Hot-swap components |
Dual power, RAID controller
canisters, cooling modules, IO node modules, battery units,
management interface modules |
| Controller
Specifications: |
| CPU |
64-bit, 400MHz PowerPC CPU
with 32KB/ I/O cache and 256KB L2 cache embedded |
| Cache Memory |
128/256/512MB/1GB SDRAM w/ECC |
| Flash |
4 MB |
| Hardware XOR |
Yes |
| Proprietary ASICs |
Dual 64-bit chipsets |
| Memory bandwidth |
1066MB/s (64-bit, 133MHz) |
| Transparent failover/failback |
Dual-active, host-transparent
operation |
| Fibre
Channel Specifications: |
| Host/drive interface |
FC-2G Fibre channel |
| Number of channels |
4 or 6 (by single
or dual-redundant controllers), 8 or 12 (dual-single controllers).
All channels are host or drive configurable |
| Supported topologies |
SAN ready: FC-AL,
point-to-point, or switched fabric |
| RAID Fault-Tolerance
and Flexibility: |
| Supported RAID levels |
0, 1, (0+1), 3, 5, 10, 30,
50, NRAID, and JBOD |
| Logical drives |
128 ( up to 64 partitions per
logical drive) |
| Clustering |
Persistent reservation support |
| RCC over Fibre (inter-controller
communications) |
Yes,
1. Over dedicated comm. loops.
2. Over drive loops |
Drive roaming during
power-off |
Yes |
Automatic rebuild of
hot-spare |
Yes |
| Variable stripe size |
Yes, configurable per logical
drive |
| Configurable priority |
of rebuild, parity regeneration,
media scan, etc. |
| Maximum no. of LUNs |
32 per ID, up to 1024 per controller |
SCSI pass-through
commands |
Yes, transparent disk drive
support |
Online RAID
expansion |
Yes,
1. By adding drives.
2. By replacing drives with drives of larger capacity |
Synchronized cache
between controllers |
Yes, along with controller
configuration data |
| Battery |
Li-ion cells in hot-swappable
modules |
Write-through/
Write-back |
Adjustable per logical drive |
| Online upgrade |
Rolling firmware upgrade for
dual-active controllers |
| Management: |
|
| In-band |
Yes |
| Out-of-band |
- Firmware-embedded utility over RS-232C
- Java-based RAIDWatch manager over an
integrated Ethernet port
|
| Management software |
RAIDWatch: Java-based, OS independent;
sub-modules include Event Monitor, a monitoring utility
running independently; and NPC, a notifier via email, LAN
broadcast, and SNMP traps |
| The information
is subject to change without any notice |
