|
HARDWARE COMPARISON |
EMC |
HP |
|
|
CLARiiON AX4 |
MSA1500 |
MSA1510i |
|
|
Connectivity |
Fibre Channel or iSCSI |
Fibre Channel |
iSCSI |
|
Host ports |
2 x 4 Gb Fibre Channel or 2 x 1 Gb IP |
2 x 2 Gb Fibre Channel per controller |
2 x 1 Gb IP per controller |
|
Maximum hosts |
64 |
20 |
|
|
Controllers |
1 or 2 SPs |
1 or 2 |
|
|
Drive options |
146, 300* GB 15k SAS |
36, 72, 146, 300 GB 15k SAS |
|
|
Drives |
4 to 60 |
Up to 96 |
|
|
Raw capacity |
584 GB to 60 TB |
Up to 64 TB |
|
|
Cache |
1 GB per SP |
256 or 512MB |
|
|
Operating system support |
Windows 2000 |
Windows 2000 Windows Server 2003 Linux HP-UX Netware SCO Open VMS Tru64 VMware |
Windows 2000 Windows Server 2003 VMware |
|
ARRAY BASED SOFTTWARE |
EMC CLARiiON AX4 |
HP |
|
Snaps |
SnapView |
Host-based only |
|
Clones |
SnapView |
None |
|
Management |
Navisphere |
Separate software |
|
Snaps/clones per array |
256 / 128 |
– |
|
Snaps/clones per LUN |
8 |
– |
|
Snaps/clone of same LUN |
Yes |
– |
|
Snaps from clones |
Yes |
– |
|
Local copy from remote replica |
Yes, clone |
– |
|
Dedicated snap area |
Yes |
– |
|
Access to source LUN during copy |
Yes |
– |
|
Consistent splits |
Yes |
– |
|
Protected Restore |
Yes |
– |
|
Snap rollback |
Yes |
– |
|
ARRAY BASED REPLCATION |
EMC CLARiiON AX4 |
HP |
|
Products |
MirrorView |
None |
|
Cross-generational platform support |
Yes |
Yes |
|
Management |
Navisphere |
Command View |
|
Synchronous mode |
Yes |
No |
|
Asynchronous mode |
Yes |
Yes |
|
Replication over IP |
Only via bridges |
only via bridges |
|
Extended distance with Asynchronous mode |
Yes |
No |
|
Bidirectional replication |
Yes |
Yes |
|
Copies per array |
100 |
256 |
|
LUN fan-out |
1 or 2 |
– |
|
Array fan-out |
1:4 |
1:2 |
|
Array fan-in |
4:1 |
2:1 |
|
Consistency technology |
Yes |
Yes |
