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тАО12-01-2007 12:13 AM
тАО12-01-2007 12:13 AM
EVA 4000 expantion
I have an EVA4000 with 3 enclosures, I want to add an extra one enclosure. I think I will take the controllers enclosures up in the rack, introduce the new one, rewire the new enclosure, I will be doing this First Loop A and then Loop B.
1- Can this be done online?
2- Is this the right way to do it?
3- I have online data in the EVA. will this endanger my data? should I pay special attention to anything?
4- Any ideas or anybody that has any inputs can help. Anybody did the operation before?
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тАО12-01-2007 01:32 AM
тАО12-01-2007 01:32 AM
Re: EVA 4000 expantion
1) Yes
2) It can be also done offline, with zero risk.
3) As long as you don't disconnect cables on both loops at the same time, you should have no service interruptions.
4) I have not done it personally, but it's a procedure done every week on clients. Always check that loop A is working OK, check events in EVA log before touching loop B.
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тАО12-01-2007 02:01 AM
тАО12-01-2007 02:01 AM
Re: EVA 4000 expantion
Just to echo the previous respondent... yes it can be done online. The most important thing to remember however is to ensure that you have a verified backup just in case anything does go wrong.
Cheers,
Rob
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тАО12-02-2007 01:23 AM
тАО12-02-2007 01:23 AM
Re: EVA 4000 expantion
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тАО12-02-2007 02:40 AM
тАО12-02-2007 02:40 AM
Re: EVA 4000 expantion
http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/c01217690/c01217690.pdf
EVA4000 starts at page37.
You usually have all 4 enclosures below the controlelrs.
I am also attaching an enclosure installation instruction for you.
Cheers
Pete
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тАО12-27-2007 10:19 AM
тАО12-27-2007 10:19 AM
Re: EVA 4000 expantion
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тАО12-27-2007 10:41 AM
тАО12-27-2007 10:41 AM
Re: EVA 4000 expantion
The cabling should be done doing a loop, starting on one controller, from one shelf to the next and finally to the other controller.
So for example:
Loop A: C1 - E1 - E2 - E3 - E4 - C2
Loop B: C1 - E4 - E3 - E2 - E1 - C2
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тАО12-28-2007 08:55 AM
тАО12-28-2007 08:55 AM
Re: EVA 4000 expantion
On an EVA4x00 and 6x00 the controllers usually have CAN Bus ID 5 on 8x00 ID 7.
Cheers Peter
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тАО12-28-2007 08:56 AM
тАО12-28-2007 08:56 AM
Re: EVA 4000 expantion
On an EVA4x00 and 6x00 the controllers usually have CAN Bus ID 5 on 8x00 ID 7.
ID 7 must never be used for enclosures while ID 5 can!
Cheers Peter