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Please try the request again. Do you think I'm wrong when I point at the SAN controller ? My work deployed vSphere 4 on a couple of Dell boxes with an MD3000i, ran into the EXACT same problem you did. We cold-booted the SAN, the switches and the ESX machines and all is back to normal.

From the ESX servers, I can ping all the interfaces on both SAN controller.To me, symptoms indicates a dead controller: if the issue was on the switches, I'd still see both The system returned: (22) Invalid argument The remote host or network may be down. I kid you not.Alas, its a production system and I'm not allowed to play. Fulgan Ars Tribunus Angusticlavius et Subscriptor Tribus: Swiss iguanas Registered: Jun 28, 2000Posts: 7508 Posted: Mon Jul 27, 2009 7:53 am quote:Its the upgrade to vSphere 4.

I think your reasoning is sound. Works perfectly fine with 3.5, but does the above in 4. I haven't mentioned it, but that's one of the first things I tried before thw hole array failed.quote:Fulgan, if you go into the GUI for the MD3000i and go to Support We have full redundant path (2 independent switches dedicated to the SAN, 2 controllers in the fabric, each with two NIC and each server has two NIC).

All rights reserved Use of this Site constitutes acceptance of our User Agreement (effective 3/21/12) and Privacy Policy (effective 3/21/12), and Ars Technica Addendum (effective 5/17/2012) Your California Privacy Rights The Could it be that activating the jumbo frames or upgrading to ESX 4 has triggered an hidden bug in the controllers ? We just replaced an apparently bad cable (connecting shelves together) on a Xyratex FC SAN we have. When I asked him to explain how such problem would crop up exactly in the same way on 3 different servers connected to the same SAN, he asked me "ok, what

The error you posted first is just like the one I had that I had when I had this problem (back in March...). Sorry it took so long to answer, but I was kinda waiting to see how my discussion with dell wuld end up.So far, they are saying there was a "network loss If so, why would it take two weeks to surface ?Thanks PaveHawk- Ars Praefectus et Subscriptor Registered: Sep 23, 2000Posts: 3156 Posted: Wed Jul 22, 2009 5:28 am quote:Originally posted by Once you do this then the SAN will go back to optimized status and the blinking orange light will go away.Fulgan, if you go into the GUI for the MD3000i and

Could it be that activating the jumbo frames or upgrading to ESX 4 has triggered an hidden bug in the controllers ? Register Login Posting Guidelines | Contact Moderators Ars Technica > Forums > Operating Systems & Software > The Server Room Jump to: Select a forum ------------------ Hardware & Tweaking Audio/Visual My work deployed vSphere 4 on a couple of Dell boxes with an MD3000i, ran into the EXACT same problem you did. That setup worked for more than a year now.Yesterday, around noon, the ESX stopped seeing the second controller completely: all path that where active on it fell back to the other

Generated Sat, 15 Oct 2016 07:30:06 GMT by s_ac15 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.10/ Connection Please try the request again. you probably should upgrade the firmware but I would want to have the MD3000i in a normal non-error state before doing so.Surprised Dell has not been any help. I have a MD3000i and have upgraded to ESX 4 and do not have this problem.I did have the problem once back in ESX 3.5 when a low fan RPM reading

Fulgan Ars Tribunus Angusticlavius et Subscriptor Tribus: Swiss iguanas Registered: Jun 28, 2000Posts: 7508 Posted: Wed Jul 22, 2009 3:09 am Thank you for your answer, Cool Modine.Well, that was interesting: Works perfectly fine with 3.5, but does the above in 4.On the phone to Dell yielded nothing, they said (seriously) "We dont know how to fix it, so you'll either have They don't have any clue about what caused it, though.A couple of questions, if you don't mind:- Are you running generation 1 or generation 2 of the MD3000i firmware ?- Do Your cache administrator is webmaster.

Click on each LUN and at the bottom it will tell you which RAID controller it is currently on and what the preferred path is. Please try the request again. I don't what to tell you next... Unfortunately, yesterday evening, the first controller stopped accepting connections as well and the whole ESX farm went poof.It took us 4 hours (from 21 to 01) to bring the system back

I doubt the same failure would affect the 3 EXS machines all by themselves. Trouble is: the SAN itself insists the controller itself is perfect working order. The system returned: (22) Invalid argument The remote host or network may be down. Welcome to the Ars OpenForum.

We asked for them to probide the command to reset one controller and waited for the answer. Ad Choices The request cannot be fulfilled by the server Loading√óLooks like there's a problem:CSS Error ERROR The requested URL could not be retrieved The following error was encountered while trying Your cache administrator is webmaster. If so, why would it take two weeks to surface ?Thanks Its the upgrade to vSphere 4.

It does take a while so make sure you do it when you have good backups and your systems are not in demand.*Edit* Sorry about the multiple posts... I had several errors like this before the complete failure:Date/Time: 7/8/09 4:07:19 PMSequence number: 122674Event type: 4011Description: Volume not on preferred path due to AVT/RDAC failoverEvent specific codes: 0/0/0Event category: ErrorComponent In ESX, on the switches and on the SAN NICs).I've opened a trouble ticket by Dell and they should come back to me during the afternoon, but I'd love to hear To fix it I went into the MD3000i Manager GUI and clicked the Modify tab, Change Virtual Disk/Ownership/Preferred Path.It will present a LUN view.

So there wont be a fix from us forthcoming, not in the short term at least. I doubt the same failure would affect the 3 EXS machines all by themselves. The ESX servers now only see only 2 of the 4 possible targets (the ones on the first controller). Except that we still don't know what happened.Does someone has a suggestion to make ?

Your cache administrator is webmaster. Trouble is: the SAN itself insists the controller itself is perfect working order.Recently, we made the following changes (a couple of weeks ago):- Moved to vSphere 4 (from ESX 3.5).- Enabled Do you think I'm wrong when I point at the SAN controller ? There is no ETA on documentation/guidance".

Are you running the firmware generation 2 ? We're still using 1, mostly because of the required drive firmware upgrade and I wonder if going to 2 would help.quote:To fix it I went into the MD3000i Manager GUI and I these do not match then change the RAID Controller to the preferred path.Since ESX is multipathing you can do this without shutting down your VMs on that LUN. Works perfectly fine with 3.5, but does the above in 4.

Generated Sat, 15 Oct 2016 07:30:06 GMT by s_ac15 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.9/ Connection The two times time I have called about my MD3000i I have gotten excellent help.If you do decide to update the firmware here is a good write-up of the process here. Fulgan Ars Tribunus Angusticlavius et Subscriptor Tribus: Swiss iguanas Registered: Jun 28, 2000Posts: 7508 Posted: Mon Jul 27, 2009 9:50 am quote:I have a MD3000i and have upgraded to ESX 4 My work deployed vSphere 4 on a couple of Dell boxes with an MD3000i, ran into the EXACT same problem you did.