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12-27-2014 11:32 PM
12-27-2014 11:32 PM
Hi !!
I have two EVA8400 storage systems and I 've got a problem with one of them !!
i have defined some Vdisks in command view and i have presented them to host (windows server 2008 R2) many times .
the problem is, LUNs do not get assigned to host . in another word, i could never find any hard drive (LUN) in Disk Managment of OS .
Vdisk host LEDs are off on both HSV-450 and there is no warning or Error on Command view .
I tried it with another EVA8400 storage system with the same candition and the same configuration and everything was OK and LUNs got assigned to the same host completely .
What's wrong with the first storage system ?????
i'm looking to forward hearing from you !!!
Solved! Go to Solution.
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12-28-2014 10:23 AM
12-28-2014 10:23 AM
Re: Problem with assigning LUNs to host in EVA8400 .
Hello, do you have proper SAN zoning between server and storage in case you use SAN? Or is your server connected directly to EVA?
Jan
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12-28-2014 09:23 PM
12-28-2014 09:23 PM
Re: Problem with assigning LUNs to host in EVA8400 .
No !! the connection is direct and there is no SAN switch between server and storage system and also the connection type is direct on the OCP .
This system was working correctly recently, then this problem suddenly happend .
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12-30-2014 01:48 AM
12-30-2014 01:48 AM
Re: Problem with assigning LUNs to host in EVA8400 .
Hi, I;ve seen this a couple of time. Something that often helps is to disconnect the FC cable from the host ports and change from direct to fabric and back again from the OCP then re-connect the FC cables.
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12-30-2014 03:01 AM
12-30-2014 03:01 AM
Re: Problem with assigning LUNs to host in EVA8400 .
thanks !!! but this solution not useful !!!
can you give us another way to solve this problem ?
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12-30-2014 03:10 AM
12-30-2014 03:10 AM
Re: Problem with assigning LUNs to host in EVA8400 .
Hi,
by "not useful" do you mean you tried it and it did not work? Are both EVAs on the same controller code version, and are any LUNs visible to any other Hosts from the faulty EVA? Can you post the controller event log capture zip?
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12-30-2014 09:45 PM
12-30-2014 09:45 PM
Re: Problem with assigning LUNs to host in EVA8400 .
Hi !! thanks !
I tried it and it did not work !! and both controller are in the same code version ..
I sent you all of the capture event of controllers and storage system ...
thanks for your help !!!
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12-30-2014 10:05 PM
12-30-2014 10:05 PM
Re: Problem with assigning LUNs to host in EVA8400 .
controllers event logs.
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12-31-2014 01:37 AM
12-31-2014 01:37 AM
SolutionHi,
thanks, that helps. Your controller ID ending 0545 has failed; 83002014; A failure was detected during the execution of this controller's on-board diagnostics.
Reason: Test Element: 24.; (Config and Init Port regs); Test number: 0.; Duplicate error count: 118.; Error code: 18000201; Address of error: FE0B0170; Expected data: 00000000; Actual data: 00100000.
So there's your debug flag!
Your other controller (ending de2c) appears to have stopped host I/O due to both cache batteries having failed, you could try swapping the batteries between the two controllers and see if the surviving one then comes online. The controllers stop I/O without a good battery as all writes go through the cache so it is done to prevent data loss.
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12-31-2014 03:13 AM
12-31-2014 03:13 AM
Re: Problem with assigning LUNs to host in EVA8400 .
Hi !
thanks for your Help :) !!! it is working right now !!!!
but i need to know that how did you found this solution by reading Controller Event Logs ?
which line show this Error ???
thanks !!