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Re: Virtual SAN Disk Balance

March 23, 2019, 2:34 pm
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Hi,

 

you really understand the subject and I'm going to ask for patience as I'm getting started on the product. I will take to get your knowledge ..rs

 

Come on...

 

I put one of the nodes into maintenance and chose the default option that appears. I did not choose the middle option. It has already been selected and seemed the safest. However, vSAN stayed at 19% for about 20 minutes and we understood that it was stuck and we were worried if we had chosen the right option. Then we canceled. Soon after this message appears. I mean, days after.

 

So I researched and found out that I could do the rebalancing manually. I did and the status of disk balanced turned green, that is, problem solved.

 

What I mean is that this was not done again, but the same message returned. That is, if I have not done anything NOW, why does the same message that has occurred previously appear and was resolved?

 

Do you understand now what I mean?

 

Looking at your answer to the first question, I understand that really 20 minutes is little, I could have waited longer. Operational failure, okay!

 

Now that you know I did not set the host on maintenance, I wondered, why did it happen again? Where can I look to see where my problem may be?

 

I looked at the events for some hardware failure, shutdown servers, but in vCenter I did not find LOGs for this. So I found out that there is vRealize that has LOGs, but I also have not encountered any flaws in vRealize on this day that appears in vxRail Manager when it started cluster failures.

 

Well, I did the rebalancing again and made an ack on the alarm in the cluster and now no errors appear.

 

My concern is that this error appears again, so I wanted to monitor the disk balanced to see if at some point it will get back on edge. So I can see what the end user is doing that is causing this failure again.

 

You told me that when it's 80% rebalanced will happen automatically. I figured it would not happen automatically if proative was not enabled. Got it!

 

Now I come back to the question ... why did this happen again?

 

Where should I look to evaluate whether it is close to generating this new warning of need for balanced warning?

 

At that point, as I said, I've already rebalanced.

 

Capturar.PNG

 

 

Thank you.

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Re: Guest Customization Windows 10 1803 starts but doesnt finish

March 23, 2019, 2:37 pm
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"Hello, I had the same problem. This problem appers, trought the Windows 10 Apps, which are installed per User / User Profile. In one of your user accounts, is the installation (upgrading) from this apps not finished. That is the problem. Windows needs for sysprep clean user profiles. The easiest way to solve this, is to create a new local admin account. After this, you delete all other accounts and profiles. Then you test the new admin account and if it work, you can shutdown the virtual machine. Then you convert the machine to a template and starts the cloning. Now should the cloning prozess work."

 

This worked for me.

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vxRail Dell EMC with vSAN

March 23, 2019, 2:47 pm
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Hello,

 

I have a vxRail Dell EMC solution with 3 servers with vSAN.

 

Who manages nodes is vSAN.

 

So, I wonder what the function of vxRail Manager in this environment?

 

 

Thank you.

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Problem in the vSAN node or disk

March 23, 2019, 2:47 pm
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Hi,

 

if a problem occurs on one of the vSAN servers and I want to replace it with another.

 

What is the procedure?

 

 

Thank you.

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For inclusion of a new node in vSAN

March 23, 2019, 2:49 pm
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Hello,

 

I have a vSAN with 3 nodes.

 

I want to include one more node.

 

Is there any rule for the hardware of this new server?

 

Or can it be any hardware?

 

 

Thank you.

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Changing rules on networks (Dell EMC vxRail)

March 23, 2019, 2:54 pm
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Hi,

 

VxRail delivers a ready environment with vSAN with multiple networks that you have defined during startup.

 

Can I make changes to the networks, how to create new ones or change existing ones?

 

 

Thank you.

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DRS (Dell EMC vxRail)

March 23, 2019, 2:56 pm
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Hi,

 

VxRail delivers a ready environment with vSAN with HA.

 

Is it possible to enable DRS also to automatically migrate VMs when a host is very stressed?

 

 

Thank you.

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Re: Upgrade 6.7 to 7 getting " Can't start upgrade, node removing in progress"

March 23, 2019, 3:48 pm
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Looks like you have something like a failed vROPS cluster. Tried bringing the cluster offline , reboot and bring online again?

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Re: DRS (Dell EMC vxRail)

March 23, 2019, 4:22 pm
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Hello sandroalvesbrasil,

 

 

DRS works on vSAN-enabled nodes just like non-vSAN nodes so yes you can enable this to migrate compute under resource-stress - vSAN however does not support Storage-DRS.

 

 

Bob

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UUID for network in VMware.

March 23, 2019, 11:26 am
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As there is no UUID for network (object) in VMware, then how can one identify the network uniqueness as there is option to rename the network label?

 

My Usecase:

Currently I store network info in db based on it's name. As one can rename the network label therefore I don't have way to identify whether the old and renamed network is same.

For VM there is UUID attribute from which I can identify the vm uniqueness, but for network there is no such attribute.

 

One way is to use moref id, but I don't found any VMware KB article which gives guarantee that moref id is not change across life of entity. (i.e. it stay there even after vcenter upgrade, after restoring the vCenter database from a backup , after host  re-register)



Other scenario where  moref id is not relabel for uniqueness:

During upgrade one can create new vCenter vm, then replace the existing vCenter vm by shutting down the old vCenter vm and giving same fqdn  to new vCenter VM. Manually re-register all host in new vcenter VM.

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Re: For inclusion of a new node in vSAN

March 23, 2019, 4:24 pm
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Hello sandroalvesbrasil,

 

 

For non-VxRail nodes it is supported to add any node whose server is on the ESXi HCL for the version in use and has controller(s),SSDs+MDs that are on the vSAN HCL.

However if you are using VxRail, new nodes need to be identical hardware to the ones in use.

 

 

Bob

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Re: For inclusion of a new node in vSAN

March 23, 2019, 4:45 pm
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To confirm understanding. The translation does not help much to me that I do not understand English well.

 

If I were using native vSAN, I could grow without rule of hardware capability (CPU, memory, and disk). Of course, there should be a good practice of using disks with the same speed and capacity for better performance.

 

For vxRail Dell environment is different, unfortunately.

 

That means in the future, in some 3 years, for example.

 

If I do not find the same hardware, can not I grow my environment?

 

Will I have acquired another vSAN environment?

 

I read that I could always grow with better hardware in CPU and memory. However, the discs need to be the same size.

 

 

Thank you.

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Ошибка загрузки /jumpstrt.gz

March 23, 2019, 5:42 pm
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Добрый день, прошу помочь в решение возникшей проблемы. Мне в наследство от прошлого админа достался сервер (мат плата Z9PR-D12/4l, 16гб х2 ОЗУ) с развернутым ESXi version=6.5.0, build=5969303 и 4 ВМ на нем, за год он 3 раза падал, но после перезагрузки без проблем включался и продолжал работать до недавних пор. После очередного падения на стадии загрузки он выдал мне следующую ошибку.

213123213.JPG

 

Наверное надо сказать, что эта ошибка вылезла не сразу, первое время он вообще не включался, т.е. после включения на мониторе ничего не происходило, мат. плата при некоторых попытках загрузки издавала 4 коротких сигнала, мигал красный датчик, я решил что проблема либо в БП либо в мат. плате, решил начать с замены БП, был этот

WhatsApp Image 2019-03-24 at 03.28.42.jpeg

Я взял такой же, но на 800w, поменял и ничего не поменялось, в тот же вечер я вытащил батарейку из мат платы, так как вычитал где то что это может помочь ( знаю глупо ), после того как я решил что уже ничего сделать нельзя и проблема в мат. плате я поехал домой. На следующий день я решил еще раз проверить машину и представьте себе она включилась и все заработало, я решил что "Пронесло", выключил машину для того что бы переставить со стола в рабочее положение и попытался снова включить, после чего и вылезла ошибка с первого изображения.

Пожалуйста подскажите как устранить данную ошибку? Я не знаком с ESXi, это мой первый опыт работы с этим софтом, я подозреваю что из-за многочисленных включений и отключений через "кнопку" я повредил файлы загрузки, но у меня нет опыта в восстановление\установки\настройки ESXi, и я боюсь потерять образы ВМ.

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Re: For inclusion of a new node in vSAN

March 23, 2019, 5:43 pm
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Hello sandroalvesbrasil,

 

 

I could just be remembering how it seemed back when it was Quanta nodes (e.g. pre-Dell) - these were sold as 4-node 2U units and I recall them being fairly strict compatibility-wise. I will ask one of my VxRail colleagues whether node additions are a different situation now with Dell boxes.

 

 

Bob

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Re: For inclusion of a new node in vSAN

March 23, 2019, 5:45 pm
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Thanks for the help.

 

This is a question that many end users ask, aiming for future growth.

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Re: vxRail Dell EMC with vSAN

March 23, 2019, 5:48 pm
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Hello sandroalvesbrasil,

 

 

It is essentially just a management appliance but one that is strongly tied to the VxRail cluster it manages.

VxRail Manager is used for cluster-wide initial configuration, management (e.g. shutting down cluster) and change-management (e.g. upgrading driver+firmware+ESXi).

While it is possible to make changes to a vSAN cluster outside of VxRail Manager (e.g. add storage or nodes) this is not advised (and Dell-EMC state unsupported) as VxRail Manager will not be aware of the changes.

 

 

Bob

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Re: Problem in the vSAN node or disk

March 23, 2019, 5:52 pm
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Re: vxRail Dell EMC with vSAN

March 23, 2019, 5:55 pm
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I understand the concept and I believed that answer.

 

However, since the main layer is VMware (vSAN) and we have the possibility to make changes it is difficult to explain to the end user what he can and can not do in VMware (vSAN).

 

I understand that vxRail manages the health of the cluster, but it has no visibility to what we do in other configurations, such as VMs and so on. They should basically use cluster-state responses.

 

And it's also used to orchestrate the creation of the cluster to do node maintenance, as you yourself said.

 

The question is how far can we make changes to vSAN, without creating problems with vxRail Manager.

 

For example, could enabling DRS, being an option directly to the cluster, be a big problem?

 

Thank you.

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Re: vxRail Dell EMC with vSAN

March 23, 2019, 6:17 pm
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Hello sandroalvesbrasil,

 

 

Only changes such as adding/removing nodes/hardware components etc. may have an impact with regard to VxRail Manager - changes that are normal vSphere operations such as enabling/disabling/editing HA/DRS shouldn't have any impact. Think of it as having an inventory-management role and it makes more sense.

 

 

Bob

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Re: hosts are not responding state/frozen state after upgrade from 5.5U3 to 6.5U2

March 23, 2019, 8:09 pm
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Thanks for info.

 

We have Avago (LSI / Symbios Logic) MegaRAID SAS Invader Controller ,installed with  7.703.19.00-1OEM driver and FW is 24.12.1-0433.

 

So below are drivers details ,so I can atleast try to change driver to 6.610.16.00-1OEM.600.0.0.2494585 to see how host responses .

 

May I know which version of megaraid driver is enabled to have stable version  ,so I can take look, check compatibility and can try to change .And please can you let me know how to disable current driver and enable legacy mega raid driver please if possible

 

[root:~] esxcli software vib list | grep mega

scsi-megaraid-sas 6.610.16.00-1OEM.600.0.0.2494585 Avago VMwareCertified   2019-01-25

scsi-megaraid-mbox             2.20.5.1-6vmw.650.0.0.4564106          VMW                 VMwareCertified   2019-01-25

scsi-megaraid2 2.00.4-9vmw.650.0.0.4564106 VMW VMwareCertified   2019-01-25

lsu-lsi-megaraid-sas-plugin    1.0.0-8vmw.650.1.26.5969303            VMware              VMwareCertified   2019-01-25

 

[root:~] esxcli software vib list | grep lsi

 

lsi-mr3 7.703.19.00-1OEM.650.0.0.4598673 Avago VMwareCertified   2019-01-25

lsi-msgpt35 04.00.03.00-1OEM.650.0.0.4598673 Avago VMwareCertified   2019-01-25

lsi-msgpt2                     20.00.01.00-4vmw.650.2.50.8294253      VMW                 VMwareCertified   2019-01-25

lsi-msgpt3 16.00.01.00-1vmw.650.2.50.8294253 VMW VMwareCertified   2019-01-25

lsu-lsi-lsi-mr3-plugin         1.0.0-11vmw.650.2.75.10884925          VMware              VMwareCertified   2019-01-25

lsu-lsi-lsi-msgpt3-plugin      1.0.0-7vmw.650.1.26.5969303            VMware              VMwareCertified   2019-01-25

lsu-lsi-megaraid-sas-plugin    1.0.0-8vmw.650.1.26.5969303            VMware              VMwareCertified   2019-01-25

lsu-lsi-mpt2sas-plugin         2.0.0-6vmw.650.1.26.5969303            VMware              VMwareCertified   2019-01-25

 

vmhba4  lsi_mr3           link-n/a  sas.578da6e715bb0c80                    (0000:03:00.0) Avago (LSI / Symbios Logic) MegaRAID SAS Invader Controller

 

Key Value Instance: lsi_mr3-578da6e715bb0c80/LSI Incorporation

Listing keys:

Name: MR-DriverVersion

Type:   string

value:  7.703.19.00

Name:   MR-HBAModel

Type:   string

value:  Avago (LSI) HBA 1000:5d:1137:db

Name:   MR-FWVersion

Type:   string

value:  Fw Rev. 24.12.1-0433

Name: MR-ChipRevision

Type:   string

value:  Chip Rev. C0

Name:   MR-CtrlStatus

Type:   string

value:  FwState c0000000

Key Value Instance: MOD_PARM/qlogic

Listing keys:

Name:   DRIVERINFO

Type:   string

value:

Driver version 2.1.53.0

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