If the CPU hot add/remove is not enabled

I heard that it is possible to change the number of CPUS and memory without CPU hot add/remove the active through CLI. Is it possible to change the CPU and memory count without turning off the virtual computer to activate the CPU and memory hot add? I work in a hospital and shut down a virtual computer is not possible to activate these functions.

Hi Eric,.

You can enable the feature add hot power-CLI, but you will need a restart in order to reload the new configuration.

Here you can get the detailed information in the present.

http://ICT-freak.nl/2009/10/05/PowerCLI-EnableDisable-the-VM-hot-add-features/

hope this helps you.

Thank you and best regards,

Shrikant Germain

Tags: VMware

Similar Questions

  • Hot Add Remove lun fails in rescan periodical at the time of the withdrawal, although the path is marked as DEAD as planned

    So we run the hot add and remove cases from LUNs in the certification for ESX 5.5 with Workbench 3.0 kit

    The hot add succeeds to the two manual add and periodic scan... Deletion succeeds manual extraction, but a failure in periodicals rescan same removal so it lists the path out of SERVICE.

    Here are the logs

    [August 26, 2014 20:01:29: WLMANAGER] [0] FRAME: no charges Found.

    [August 26, 2014 20:02:25: HOTADDREMO] [0] INFO: hot test add using RESCAN

    [August 26, 2014 20:07:55: HOTADDREMO] [0] INFO: performance of rescan the first server

    [August 26, 2014 20:08:28: HOTADDREMO] [0] INFO: found new LUN eui. 48d8bf5f64e64100

    [August 26, 2014 20:08:28: HOTADDREMO] [0] INFO: add hot with the new analysis is the first server

    [August 26, 2014 20:08:28: HOTADDREMO] [0] INFO: Running rescan the second server

    [August 26, 2014 20:09: HOTADDREMO] [0] INFO: found new LUN eui. 48d8bf5f64e64100

    [August 26, 2014 20:09: HOTADDREMO] [0] INFO: add hot with rescan is the second server

    [August 26, 2014 20:09: HOTADDREMO] [0] INFO: hot test add using PERIODICALLY RESCAN

    [August 26, 2014 20:15:05: HOTADDREMO] [0] INFO: Test runs on the first server

    [August 26, 2014 20:15:06: HOTADDREMO] [0] INFO: found new LUN eui.48d8bf5f64e64200

    [August 26, 2014 20:15:06: HOTADDREMO] [0] INFO: add hot with the new analysis from time to time, is the first server

    [August 26, 2014 20:15:06: HOTADDREMO] [0] INFO: Test runs on the secondary server

    [August 26, 2014 20:15:08: HOTADDREMO] [0] INFO: found new LUN eui.48d8bf5f64e64200

    [August 26, 2014 20:15:08: HOTADDREMO] [0] INFO: add hot with periodically rescan is the second server

    [August 26, 2014 20:15:10: WLMANAGER] [0] FRAME: no charges Found.

    [August 26, 2014 20:16:07: HOTADDREMO] [0] INFO: hot control remove using RESCAN

    [August 26, 2014 20:17:27: HOTADDREMO] [0] INFO: hot execution removes the test on the first server

    [August 26, 2014 20:18: HOTADDREMO] [0] INFO: LUNS deleted eui.48d8bf5f64e64200

    [August 26, 2014 20:18: HOTADDREMO] [0] INFO: Test successfully on the first server

    [August 26, 2014 20:18: HOTADDREMO] [0] INFO: hot execution removes the test on the second server

    [August 26, 2014 20:18:33: HOTADDREMO] [0] INFO: LUNS deleted eui.48d8bf5f64e64200

    [August 26, 2014 20:18:33: HOTADDREMO] [0] INFO: Test passed on the second server

    [August 26, 2014 20:18:33: HOTADDREMO] [0] INFO: hot control remove by using PERIODICALLY RESCAN

    [August 26, 2014 20:23:20: HOTADDREMO] [0] INFO: Test runs on the first server

    [August 26, 2014 20:23:21: HOTADDREMO] [0] INFO: check the path to removed LUN on the first server

    [August 26, 2014 20:24:17: TRANSPORT] [0] FRAMEWORK: running cmd 'esxcfg-mpath - bd eui.48d8bf5f64e64100' mode of blocking on the host 'esxia.amiads.com '...

    [August 26, 2014 20:24:17: STAFBASE] [0] FRAMEWORK: command execution STAF: staf esxia.amiads.com PROCESS SAMECONSOLE RETURNSTDOUT RETURNSTDERR WORKDIR SHELL START / WAIT COMMAND esxcfg-mpath - bd eui.48d8bf5f64e64100

    [August 26, 2014 20:24:18: STAFPROCES] [0] FRAME: host esxia.amiads.com returned eui. 48d8bf5f64e64100 : * iSCSI disk (eui.48d8bf5f64e64100)

    vmhba34:C0:T65:l0 LUN:0 State: dead iscsi adapter: not available target: unavailable

    vmhba34:C3:T65:l0 LUN:0 State: dead iscsi adapter: not available target: unavailable


    [August 26, 2014 20:24:27: HOTADDREMO] [0] ERROR: LUN is found not deleted after periodic rescan on the first server


    So I checked the Vmware perl code that performs this case... it is available at /opt/vmware/VTAF/storage50-cert/VTAF/Test/Storage/StorageCert/FVT/HotAddRemoveLUNs.pm


    Sub RunHotRemoveTest

    {

    .....

    # Remove LUN only cause death I/O path.  It does not delete the LUN.

    # Evaluate for the dead I/O path.

    $deadPathFound = "NO";

    LogInfo (channel = > $channel, MSG = > "Check the path to remove LUN on $server");

    foreach my {$lun (@lunListBeforePeriodicallyRescan)

    #my $lunObj = $host2HbaObj-> CreateScsiLun (name = > $lun);

    $cmd = "esxcfg-mpath - bd $lun";

    My $cmdObj = new VTAF::Framework:Core:Common:Command)

    Home = > $host2Obj-> GetName();

    Cmd = > $cmd);

    my $rc = $cmdObj-> GetReturnCode();

    my $cmdResult = $cmdObj-> GetStdout();

    my $cmdError = $cmdObj-> GetStderr();

    If ($cmdError) {}

    $deadPathFound = "YES";

    LogInfo (channel = > $channel, MSG = > "mpath command returned: $cmdError");

    LogInfo (channel = > $channel, MSG = > "$lun is deleted after periodic rescan");

    }

    }

    If ($deadPathFound not 'YES') {}

    LogError (channel = > $channel, MSG = > "LUN is not deleted after periodic rescan on the $server");

    return FAILURE;

    } else {}

    LogInfo (channel = > $channel, MSG = > ' delete hot with periodically rescan PASSED on the $server ");

    }

    }

    So if you see the code above, Vmware itself expected the path to show the death, but they perceive three error codes for the output of esxcfg-mpath - bd < lunname >

    I think they expect an error to return to $cmdError... But looks at though it lists the path as DEAD, she returns to success... So the $deadPathFound is always set to no. He goes into the path of "not YES" and not the test case...

    I would like to open a folder from supported with VMware, but before that I would like to know if someone has faced this problem and had this problem of VMware using any patch in their Workbench... Or if any new workbench has this problem fixed...

    We are using Vmware Test Manager: 3.0.0 - 1610638

    5.5 storage certification: 3.0.0 - 1337995

    VMware Workbench say 3.0.1

    Than I went back to our older certification with ESX 5.1 where this matter has passed... and was able to check the logs. It has been performed with Workbench 2.0. In this they executed a more order "peripheral storage esxcli list d lunname" and lists the path as dead and also properly detects the dead path and scored the try with the... Unfortunately I don't seem to have their old code to compare with...

    [July 27, 2012 12:34:06: SCSILUN] [0] FRAMEWORK: check if the 'eui.93bb4a37348e4100' lun is available or not.

    [July 27, 2012 12:34:06: TRANSPORT] [0] FRAMEWORK: running cmd ' esxcli storage device base list d eui.93bb4a37348e4100 ' mode of blocking on the host 'esxia.amiads.com '...

    [July 27, 2012 12:34:06: STAFBASE] [0] FRAMEWORK: command execution STAF: staf esxia.amiads.com PROCESS SAMECONSOLE RETURNSTDOUT RETURNSTDERR WORKDIR SHELL START / WAIT COMMAND esxcli storage base device list d eui.93bb4a37348e4100

    [July 27, 2012 12:34:07: STAFPROCES] [0] FRAME: host esxia.amiads.com returned eui.93bb4a37348e4100

    Full name: * iSCSI disk (eui.93bb4a37348e4100)

    Definable display name: true

    Size: 2048

    Device type: Direct access

    Multichannel plugin: NMP

    Devfs Path: /vmfs/devices/disks/eui.93bb4a37348e4100

    Seller: * I

    Model: *.

    Review: 2 0 s

    SCSI level: 4

    Is nickname: false

    Status: dead

    RDM Capable is: true

    Is Local: false

    Is removable: false

    SSD is: false

    Is Offline: false

    Is perpetually booked: false

    Thin Provisioning status: Yes

    Attached filters:

    VAAI status: unknown

    Other UID: vml.01000000003933626234613337333438653431303053746f725472

    [July 27, 2012 12:34:07: MULTITECH] SETTING [0]: called VTAF::TestLib:Sphere:Storage:Lib:CLI:ScsiLun:IsLunAvailable (Password='password@123' Username = 'root' HostName = 'esxia.amiads.com' LunName = 'eui.93bb4a37348e4100') returns '1'

    [July 27, 2012 12:34:07: TRANSPORT] [0] FRAMEWORK: running cmd 'esxcfg-mpath - bd eui.93bb4a37348e4100' mode of blocking on the host 'esxia.amiads.com '...

    [July 27, 2012 12:34:07: STAFBASE] [0] FRAMEWORK: command execution STAF: staf esxia.amiads.com PROCESS SAMECONSOLE RETURNSTDOUT RETURNSTDERR WORKDIR SHELL START / WAIT COMMAND esxcfg-mpath - bd eui.93bb4a37348e4100

    [July 27, 2012 12:34:08: STAFPROCES] [0] FRAME: host esxia.amiads.com returned eui.93bb4a37348e4100: * iSCSI disk (eui.93bb4a37348e4100)

    vmhba34:C1:T65:l0 LUN:0 State: dead iscsi adapter: not available target: unavailable

    vmhba34:C0:T65:l0 LUN:0 State: dead iscsi adapter: not available target: unavailable

    [July 27, 2012 12:34:08: HOTADDREMO] [0] INFO: eui.93bb4a37348e4100 died because of the LUN to remove test

    So basically had the question warm Add Remove Lun. It is a problem in the ESX version we use and scripts of WorkBench. If we use the build ESX GA this would have worked. ESX changed the behavior of the command in version 5.5 of GA to a new approach and then back to the old approach again in 5.5 Update1.

    The version we use are two versions higher than the release of GA... Therefore, the behavior of this command is different between these two versions.

    ESXi 5.5 Patch 2

    2014-07-01

    1892794

    N/A

    ESXi 5.5 Patch Express 4

    2014 06-11

    1881737

    N/A

    ESXi 5.5 Update 1 has

    2014-04-19

    1746018

    N/A

    ESXi 5.5 Express Patch3

    2014-04-19

    1746974

    N/A

    ESXi 5.5 Update 1

    2014 03-11

    1623387

    N/A

    ESXi 5.5 Patch1

    2013 12-22

    1474528

    N/A

    ESXi 5.5 GA

    2013-09-22

    1331820

    N/A


    This is the behavior in version 5.5 GA ESX

    ~ # vmware - v

    VMware ESXi 5.5.0 build-1331820

    Added the target

    ~ # esxcfg - mpath - bd eui.3db57bdc252c0200

    1. EUI.3db57bdc252c0200: FRIEND iSCSI disk (eui.3db57bdc252c0200)

    vmhba34:C0:t0:l0 LUN:0 Status: active iscsi adapter: iqn.1998-01.com.vmware:5213e0fa-31de-329a-5885-002590135b9e-17c7a47e target: IQN = iqn.1991 - 10.com.ami:itx002590135d84e923:l.v10 Alias = Session = 00023 000002 PortalTag = 5 d

    ~ # echo $?

    0

    Removed from the target

    ~ # esxcfg - mpath - bd eui.3db57bdc252c0200

    Device eui.3db57bdc252c0200 unknown

    ~ # echo $?

    1

    Now the version of ESX 5.5 Update 1, we use

    Added the target

    ~ # vmware - v

    VMware ESXi 5.5.0 build-1623387

    ~ # esxcfg - mpath - bd eui.5b5fbb54c4d80200

    1. EUI.5b5fbb54c4d80200: FRIEND iSCSI disk (eui.5b5fbb54c4d80200)

    vmhba38:C1:t0:l0 LUN:0 Status: active iscsi adapter: iqn.1998-01.com.vmware:5405e3db-f95e-9f9c-e99b-0025900cab82-01a17ffb target: IQN = iqn.1991 - 10.com.ami:itx00259014329a26b:l.sharontest Alias = Session = 00023 PortalTag = 9 000002 d

    ~ # echo $?

    0

    Removed from the target

    ~ # esxcfg - mpath - bd eui.5b5fbb54c4d80200

    1. EUI.5b5fbb54c4d80200: FRIEND iSCSI disk (eui.5b5fbb54c4d80200)

    vmhba38:C1:t0:l0 LUN:0 State: dead iscsi adapter: not available target: unavailable

    ~ # echo $?

    0

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