Access to multiple virtual disks of MD3000i from a host

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• HP EVA virtual disk LUN ID

  I posted this is 3.0, but I wanted to try here also.

  We are in the process of upgrading of 4 guests isolated from 3.02 to 3.5. All network configuration is identical on all hosts, but the client has decided to present a separate HP EVA virtual virtual disk (LUN) for each host. Isolation was a contractual obligation. The question I have is on shared disk and LUN ID.

  I want to use VMotion to minimize downtime. Since they do not share currently disc, I need first to present all the LUNS (HP EVA virtual disks) on all servers.

  My question concerns the LUNS ESX ID. EVAs HP do not allow you to set the LUN ID the first (HP EVA virtual disk (LUN) presented to a host receives a LUN ID of next 1, 2, 3, etc..) In my case, the ID of the LUN on current drive of each host is set to 1. When I introduce all disks to all hosts now have a situation where A ESXHOST will see the LUN ID 1 for a 'DISK 1' and 2 ID LUN "disc 2", while ESXHOST-B could show exactly the opposite.

  It will be temporary because as soon as I can VMotion servers out, I will redo the presentation so all match however; There will be a short period where ID LUN will differ from a drive on different hosts.

  Is that going to be a problem?

  Hello

  You can set the LUN ID on the EVA only when he introduced a LUN to just one host at a time. It's a bit annoying, especially when you have a lot of guests. But the fact in this way you can ensure that all LUNS are presented with the same ID for the guests.

  If you select multiple hosts at the same time the CommandView chooses the next available on its own LUN number.

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• Loss of confusion concerning the data on the virtual disk in VMWare

  The evening

  Excuse the amateurism, but I'm looking for help with a problem I have with a virtual machine.

  I created a Virtual Machine with a virtual disk of fixed size for use as a LAMP (in this case, Ubuntu 9.10) development environment. I have used this in the course of nearly a year and have taken quarterly snapshots, or before, I did something stupid to the BONE. So far we five snapshots and a clone that I got a month ago.

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  created. + "error every time I tried to start it.

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• Can a virtual machine cause several virtual disks?

  Hey all,.

  I did some research but can't seem to find an answer.  I want one of my VM set up with multiple virtual disks.  Is it possible and if yes, how can I do?  I use the free version of ESXi.

  Yes, you can simple add another hard drive to the guest.  Just go into the settings of the host, add hardware, and then select the hard disk.

  Jase McCarty

  http://www.jasemccarty.com

  Co-author of VMware ESX Essentials in the virtual data center

  (ISBN:1420070274) Auerbach

  _{Please consider awarding points if this post was helpful or appropriate}

• Virtual disk MD3000i not on the path preferred because of the AVT/RDAC failover

  Hello

  I am having some problems with my MD3000i failover to a non-prefere path.

  The MD3000i up the old mistake "Not on virtual disk preferred path due the AVT/RDAC failover" several times a day.

  It happened from time to time with ESX 3.5, but not much more happenging with version 4.

  In the var, I get the following:

  24 July 11:49:12 tdvserver1 vobd: 24 Jul 11:49:12.926: 355597326227us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000436ab80000067c48281b88. Vmhba40:C2:t0:L2 path is down. 2 remaining active paths. Touch of data warehouses: «DataStore3 - MD3000i (1 mb)»

  24 July 11:49:12 tdvserver1 vobd: 24 Jul 11:49:12.934: 355597333792us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000438fa20000068b482818af. Vmhba40:C2:t0:L3 path is down. 2 remaining active paths. Touch of data warehouses: «DataStore4 - MD3000i (8 MB)»

  24 July 11:49:12 tdvserver1 vobd: 24 Jul 11:49:12.942: 355597341892us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000436ab8000017ae48d8991a. Vmhba40:C2:t0:L4 path is down. 2 remaining active paths. Touch of data warehouses: «DataStore1 - MD3000i (1 mb)»

  24 July 11:49:12 tdvserver1 vobd: 24 Jul 11:49:12.949: 355597348866us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000438fa20000170448d8965d. Vmhba40:C2:t0:L5 path is down. 2 remaining active paths. Touch of data warehouses: «DataStore2 - MD3000i (1 mb)»

  24 July 11:49:12 tdvserver1 vobd: 24 Jul 11:49:12.995: 355597394915us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000436ab800002d8149242090. Vmhba40:C2:t0:L7 path is down. 2 remaining active paths. Touch of data warehouses: «VDIStore2 - MD3000i (1 mb)»

  24 July 11:49:13 tdvserver1 vobd: 24 Jul 11:49:13.004: 355597404112us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000436ab800003d4c4a2ba941. Vmhba40:C2:t0:L8 path is down. 2 remaining active paths. Touch of data warehouses: «VDIStore1 - MD3000i (2 MB)»

  24 July 11:49:13 tdvserver1 vobd: 24 Jul 11:49:13.013: 355597413405us: http://vprob.storage.redundancy.degraded redundant path to the storage device degraded naa.6001e4f000436ab800006a5e4a6474e4. Vmhba40:C2:t0:L9 path is down. 2 remaining active paths. Touch of data warehouses: unknown.

  24 July 11:49:13 tdvserver1 vobd: 24 July 11:49:13.020: 355597420334us: connectivity lost http://vprob.storage.connectivity.lost to naa.6001e4f000436ab800006b684a65595d of storage device. Vmhba40:C2:t0:L10 path is down. Touch of data warehouses: «DataStore5 - MD3000i (4 MB)»

  24 July 11:49:17 tdvserver1 vobd: 24 July 11:49:17.375: 355601775018us: http://vprob.vmfs.heartbeat.timedout 49248754-672e53f0 - 38 b 7-00151778736 d VDIStore2 - MD3000i (1 MB).

  24 July 11:49:22 tdvserver1 vobd: 24 July 11:49:22.006: 355606406026us: http://vprob.vmfs.heartbeat.recovered 49248754-672e53f0 - 38 b 7-00151778736 d VDIStore2 - MD3000i (1 MB).

  And the following in/var/log/vmkernel:

  July 24, 11:51:03 tdvserver1 vmkernel: 4:02:48:27.601 cpu7:4206) WARNING: NMP: nmp_DeviceAttemptFailover: try tipping unit "naa.6001e4f000436ab800002d8149242090" world - order 0x41000812bc80

  July 24, 11:51:03 tdvserver1 vmkernel: 4:02:48:27.601 cpu2:6691) NMP: nmp_CompleteRetryForPath: Retry world the component 'naa.6001e4f000436ab800002d8149242090 '.

  July 24, 11:51:06 tdvserver1 vmkernel: 4:02:48:30.549 cpu0:4107) NMP: nmp_CompleteCommandForPath: command 0 x 12 (0x4100081c8300) for device NMP 'mpx.vmhba32:C0:T0:L0' failed on the physical path 'vmhba32:C0:T0:L0' H:0 x 0 D:0 x 2 P:0 x 0 valid sense data: 0 x 5 0 x 24 0 x 0.

  July 24, 11:51:06 tdvserver1 vmkernel: 4:02:48:30.549 cpu0:4107) ScsiDeviceIO: 747: command 0 x 12 for the device "mpx.vmhba32:C0:T0:L0" has no sense H:0 x 0 D:0 x 2 P:0 x 0 valid data: 0 x 5 24 0 x 0 x 0.

  July 24, 11:51:06 tdvserver1 vmkernel: 4:02:48:30.693 cpu1:4097) NMP: nmp_CompleteCommandForPath: command 0 x 12 (0 x 410008106500) for device "mpx.vmhba33:C0:T0:L0" NMP failed on the physical path 'vmhba33:C0:T0:L0' H:0 x 0 D:0 x 2 P:0 x 0 valid sense data: 0 x 5 0 24 x 0 x 0.

  July 24, 11:51:06 tdvserver1 vmkernel: 4:02:48:30.693 cpu1:4097) ScsiDeviceIO: 747: command 0 x 12 for device "mpx.vmhba33:C0:T0:L0" has no sense H:0 x 0 D:0 x 2 P:0 0 valid x-data: 0 x 5 0 24 x 0 x 0.

  July 24, 11:51:13 tdvserver1 vmkernel: 4:02:48:38.059 cpu0:4107) NMP: nmp_CompleteCommandForPath: command 0 x 12 (0x41000811f800) for device NMP 'mpx.vmhba32:C0:T0:L0' failed on the physical path 'vmhba32:C0:T0:L0' H:0 x 0 D:0 x 2 P:0 x 0 valid sense data: 0 x 5 0 x 24 0 x 0.

  July 24, 11:51:13 tdvserver1 vmkernel: 4:02:48:38.059 cpu0:4107) ScsiDeviceIO: 747: command 0 x 12 for the device "mpx.vmhba32:C0:T0:L0" has no sense H:0 x 0 D:0 x 2 P:0 x 0 valid data: 0 x 5 24 0 x 0 x 0.

  July 24, 11:51:13 tdvserver1 vmkernel: 4:02:48:38.202 cpu1:4097) NMP: nmp_CompleteCommandForPath: command 0 x 12 (0x4100081d2300) for device "mpx.vmhba33:C0:T0:L0" NMP failed on the physical path 'vmhba33:C0:T0:L0' H:0 x 0 D:0 x 2 P:0 x 0 valid sense data: 0 x 5 0 24 x 0 x 0.

  July 24, 11:51:13 tdvserver1 vmkernel: 4:02:48:38.202 cpu1:4097) ScsiDeviceIO: 747: command 0 x 12 for device "mpx.vmhba33:C0:T0:L0" has no sense H:0 x 0 D:0 x 2 P:0 0 valid x-data: 0 x 5 0 24 x 0 x 0.

  I spoke with people from Dell and Vmware support.

  Support for VMWare counterpart said that it is a matter of Dell... that VMware is a path problem and do what it is supposed to do.

  The Dell guy says there is nothing wrong with the MD3000i and the problem is with VMWare.

  None of them seem interested in helping me out more.

  I tried using MRU (default) & political pathing Round-Robin and set up iscsi on the host esx, in accordance with the following document:

  http://www.delltechcenter.com/page/VMware ESX4.0andPowerVault MD3000i

  I can vmkping for all the guests of all the peoples on the MD3000i without any problem.

  If someone saw, I would be very grateful.

  Thank you

  Jason

  Hmmm...  Well, if they are flipping back has nothing to do with VMWare, it is certainly a matter of Dell.  Have you tried their repatriation to the correct drives and then just reboot the stupid thing?

  Jason Litka

  http://www.jasonlitka.com

• Virtual disk MD3000i not on the preferred path

  Our MD3000i rpet table is not optimal and that a virtual disk is not on the preferred path.

  We have two RAID sets on it with a VD each.  The former says her favorite way is controller 0, the second said his preferred path is controller 1.  But the controller 0 like take charge of both.

  Using MD storage manager, I can change VD2 owned by controller 1.   But in the current for the next several hours, it passes backward, and the MD3000i starts orange flashing again.

  If I restart the server that is attached to it, the question usually begins without having to wait a few hours.

  I changed out Ethernet cables, and it did not help.  Either way, it all started when we changed the MD3000i attached to hosts.  It was attached to two Dell servers, now it is only attached to one.

  After looking through everything, it seems that the iSCSI initiator is configured incorrectly. It seems that you only have one configuration of IP and the MD has two available. Here is a link that has a step by step on setting up the MD3000i and the MPIO.

  http://paulgrevink.WordPress.com/2012/02/21/configure-Dell-MD3000i-MPIO-with-Windows-2008-R2/

  I would like to know how this happens. Also the only link that you have custody fall itself which normally points to a network problem may therefore need to look in the configuration of the switch as well.

• Is it Possible to access only bypassed FC HBA to multiple virtual machines

  Hello

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  An error occurred when opening a virtual disk. Make sure that the converter server and source running machines have network access to the ESX/ESXi hosts source and destination.

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• Converter does not have "an error occurred when opening a virtual disk. Verify that the Converter server and source running machines have network access to the ESX/ESXi hosts source and destination. »

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• Trying to fix a CID parent access to a file descriptor of delta but VM still does not start. Other error "cannot open the disk...". The specified file is not a virtual disk.

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