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тАО04-21-2011 02:16 AM
тАО04-21-2011 02:16 AM
I have an EVA 6100 2C4D on a customer site.
This one has been very bad cabled at the installation 2 years ago : the enclosures ID are 6,7,8,9 with the Y cable of the controllers on id 5 (this is correct)
Now, I mut install a fifth enclosure but I can only plug the short EMU cable on id 10 or 1
I have 3 choices :
1/ Plug the cable in the 1st ID, but will it work ? As there won't be continuity because nothing is plugged on ID 2,3,4 ?
2/ Plug the cable in the 10th ID, but will it work ? As an EVA6100 only supports 8 enclosures, so it give 8ID + CTRL ID = 9 for the MAX ID, not 10.
3/ Reinstall correctly the EMU cable and renumber all the enclosures ? This is my preferred choice but is it destructive ??? I'm not sure that changing the enclosures ID won't destroy all the EVA config. Do you have an experience on it ?
Thanks a lot for your answers.
Regards
Solved! Go to Solution.
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тАО04-22-2011 11:07 AM
тАО04-22-2011 11:07 AM
Re: EVA renumbering enclosures
AFAIK recabling the cabinet bus is possible. But you have to take the EVA down. You will not losing any data.
Regards,
Patrick
Patrick
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тАО04-22-2011 11:45 AM
тАО04-22-2011 11:45 AM
Re: EVA renumbering enclosures
And the cabling really, really should match the technical specifications from the vendor. Otherwise, support has a nice argument for exiting problem cases.
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тАО04-24-2011 01:43 AM
тАО04-24-2011 01:43 AM
Re: EVA renumbering enclosures
how to the EVA configuration with SSSU and take a full data backup?
i study the document sssu but not useful.
if any document with explain step-by-step.
tanks.
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тАО04-24-2011 02:20 AM
тАО04-24-2011 02:20 AM
Re: EVA renumbering enclosures
SSSU can only do a CONFIGURATION backup and ***NOT*** data.
SSSU command is "capture config".
If you wish to backup the data, as suggested, then you will need to use an appropriate backup solution for the OS concerned with the backup media you currently use.
Mark...
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тАО04-25-2011 05:55 PM
тАО04-25-2011 05:55 PM
SolutionTo answer the original question, you can use option1 (add new shelf at enc.ID#1). It will work though you don't have anything on 2, 3, 4.
Option2 is not recommended.
Option3 is the best choice because soon or later you will have to correct the cabling.
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тАО04-26-2011 02:21 AM
тАО04-26-2011 02:21 AM
Re: EVA renumbering enclosures
I agree with you on everything : choice 3 is the best.
As I understand, your advice is to process with the EVA powered off.
But, do you think it's really great chances to keep the datas on EVA, as we all know the restore process is NEVER completely safe ...
regards.
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тАО04-26-2011 02:30 AM
тАО04-26-2011 02:30 AM
Re: EVA renumbering enclosures
I even shut down one EVA4000, removed all disk drives and put them aside, because I needed the controllers and disk drive enclosures for a different project.
Later, I put the disk drives into new hardware and all data was still there. The controllers did even have slightly newer firmware...
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тАО04-26-2011 02:34 AM
тАО04-26-2011 02:34 AM
Re: EVA renumbering enclosures
You've been very helpful once again.
Nicolas
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тАО04-26-2011 02:35 AM
тАО04-26-2011 02:35 AM