T3 vs A1000
[266 byte] By [jkoen] at [2007-11-25 23:11:52] 
Hi My Company is looking at buying one of these.We already have 2 T3's but it is very expensive.Can somebody please mail me a list of the differences between themKing RegradsJohnnyMx HealthInformix DBA
# 1
My email is johnnyk@mxgroup.co.za jkoen at 2007-7-5 18:01:49 >
# 2
A1000 - HVD SCSI (40MB/sec max), Small cache (80MB max), 5 year old design. T3 - Fibre Channel (100 MB/sec) large cache (1GB max)The midrange is the new 3310 LVD SCSI RAID array.(160MB/sec max) up to two controllers with 512MB of cache.Mike mikepur at 2007-7-5 18:01:49 >
# 3
Thanks mike this helps alot jkoen at 2007-7-5 18:01:49 >
# 4
The T3s are fibre all the way to disk and a single array can easily 90+MB / sec down a fibre interface.
The T3 is self monitoring and can provide logging / state to SNMP packages independent of hosts to which they are attached.
When configured in a partner pair configuration, they are no single points of failure.
Unlike the A1000, there is no min-spec or max spec array - it comes with 9 disks - no more no less so incremental costs can be higher.
Storage density is much greater in the T3 than the A1000.
T3s can be used in a full-fabric environment or in FC-AL direct connect situations.
RAID-5 in a T3 is highly optimised and can be the most performant configuration with the minimum RAID overhead.
AndrewNess at 2007-7-5 18:01:49 >
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