[no subject]

Thanks for the reinforcement Bjorn. Numbers help
convince people about the validity of the post :)

Jeff

>On Mon, 19 Apr 2004, Jonathan Glass wrote:
>
>  
>
>>Just for the cluster, I have a 6kVa BestPower UPS.  It'll run all 16
>>nodes for about 15 minutes.
>>    
>>
>
>The BestPower units are increadible. Lots o' juice, great filtering, great
>monitoring via front panel and serial, very robust. Make sure you get a
>unit with proper power factor conversion (We were accidentally sent one
>without and what a headache!).
>
>On Mon, 19 Apr 2004, Jeffrey B. Layton wrote:
>
>  
>
>>I'll give you my 2 cents about clusters and UPS's if you wish.
>>
>>A good cluster configuration will treat each compute node as
>>an appliance. You don't really care about it too much and it
>>doesn't hold any data of any importance. What you care about
>>is the master node and/or where the data is stored These
>>machines can have their own UPS or a single UPS to cover
>>the machines (they may be more than one). Then take the cost
>>savings (if you can) and put them into more nodes, or a better
>>interconnect (if needed), or a large file system, or a better
>>backup system, or .... well, you get the picture.
>>    
>>
>
>If you go this route, and I know people who have, be sure to get good
>power conditioning for the nodes. Power outages often come hand-in-hand
>with other problems (such as spikes) that a UPS or power conditioner can
>help prevent.
>
>(Jeff mentioned this -- I just wanted to emphasize!)
>
>	bjorn
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<li><strong><a name="00736" href="msg00736.html">[ale] Linux Cluster Server Room</a></strong>
<ul><li><em>From:</em> ChrisColeman at mail.clayton.edu (Chris Coleman)</li></ul></li>
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<li><strong><a name="00752" href="msg00752.html">[ale] Linux Cluster Server Room</a></strong>
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