Question about power required for 9/18/36GB SBB disks

From: Reed, Judith (JReed@NaviSite.com)
Date: Wed Mar 19 2003 - 09:03:27 EST


We have some old BA356-RA disk enclosures around, which hold 2 power supplies and 6 disks.
The enclosures are the tan kind, that have 2x150W (possibly 140 or 145W?) power supplies in them.
We'd like to know what the power requirements of the newer, larger SBB disks:
            DS-RZ1FC-VW (36GB)
            DS-RZ1EF-VW (18GB)
            DS-RZ1DF-VW (9GB)
We'd hoped to add 6x36 to this enclosure, but my field service person,
while he couldn't come up with actual power requirements, felt this config
would need the 2x180W power supplies in the new enclosures, so I'd like to
come up with the combination of disks that will give me largest capacity
(of mirrored pairs) and still not over-draw the power.
 
As a side question - are there specific electrical constraints in the older
enclosures that would prevent us from adding 2 of the blue 180W power
supplies to them?
 
TIA...
 
Judith Reed
jreed@navisite.com
 



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