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  1. kj0
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    #301
    Nice.
    -------------
    B. (See first question one page 1)
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  3. Senior Member tomtom1's Avatar
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    #302
    Oh, lol.

    Next one up. vSphere 6 introduces the content library, which I'm kind of fond of since it provides a central way of delivering certain services to users. Which kind of vSphere objects can be stored in the content library and what is the maximum amount of objects?
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    #303
    Quote Originally Posted by tomtom1 View Post
    Oh, lol.

    Next one up. vSphere 6 introduces the content library, which I'm kind of fond of since it provides a central way of delivering certain services to users. Which kind of vSphere objects can be stored in the content library and what is the maximum amount of objects?
    Answers below


    VM Templates
    vApps
    ISOs
    OVF / OVAs
    Scripts

    Not sure about the limit of objects, I think you can have 5 concurrent items per library
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    #304
    @jibbajabba: Very well done, the limit I meant was that the content library can hold up to 200 items which can be a maximum of 64 TB in size.

    Next one:

    What are the default HA slot sizes if you do not specify anything? How does this impact your HA cluster? And what happens if a reservation is set on a VM?
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  6. VCDX in 2017 Essendon's Avatar
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    #305
    I'll let someone else have a go at the above question. Can we have the questions in RED please guys just so they stand out?

    Your hardware vendor has supplied you with a new custom installation bundle for your hosts. When you attempt to install you get a message saying it has been rejected because it wasnt upto a certain level. What is this level and how can you fix this problem?

    This level is called the Host Image Profile Acceptance Level, any installation bundles below this level are rejected. There are 4 levels:

    - Partner Supported
    - Community Supported
    - VMware Certified
    - VMware Accepted

    You can either alter your host's level or get the vendor to obtain one of these levels. Community and Partner Supported may not fly well with VMware Support!
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    #306
    A new admin, John, has joined your company. He's been given administrator rights to vCenter (there's only one). He goes to the web client URL, punches in his username as john and the correct password but he's unable to logon (message is incorrect username/password). You come over to investigate and immediately tell him his username should be contoso\john. Why?

    Without the domain name prefix, vCenter SSO will try to authenticate against the vsphere.local domain, by default. With the domain specified, vCenter SSO will authenticate against the contoso domain.
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    #307

    Your vSphere 5 Test / QA cluster is using a vSAN made of a 1TB SAS spindles and a 120GB SSD. You read about vSphere 6 and the all-flash possibility.

    You intend to upgrade your cluster to vSphere 6 and re-create the vSAN Cluster.

    You evacuate the vSAN and disable it. You then swap the 1TB SAS spindles with your 1TB SSD. However, after enabling vSAN you notice that the vSAN datastore has no capacity and whilst both disks are being displayed in the disk groups, the overview (Virtual SAN > General) displays 0 of 0 eligable disks in use.

    What went wrong? How can you fix this? ( answer below in #F2F6F8 )


    By default VSAN will use flash disks for caching only. Like you are able to mark HDDs as SSDs, you now need to mark SSDs as capicty disks.

    To fix, login to your host via SSH and run the command vdq -q

    You will now see your SSDs listed

    [root@esxi-01:~] vdq -q
    [
    {
    "Name" : "naa.1234567890qwerty",
    "VSANUUID" : "",
    "State" : "Eligible for use by VSAN",
    "ChecksumSupport": "0",
    "Reason" : "None",
    "IsSSD" : "1",
    "IsCapacityFlash": "0",
    "IsPDL" : "0",
    },

    Here you can see that the disk naa.123456789qwerty is not marked as capacity disk

    Tag your desired SSD as capacity disk

    esxcli vsan storage tag add -d naa.1234567890qwerty -t capacityFlash

    Now confirm that the SSD is marked as capcity disk

    [root@esxi-01:~] vdq -q
    [
    {
    "Name" : "naa.1234567890qwerty",
    "VSANUUID" : "",
    "State" : "Eligible for use by VSAN",
    "ChecksumSupport": "0",
    "Reason" : "None",
    "IsSSD" : "1",
    "IsCapacityFlash": "1",
    "IsPDL" : "0",
    },

    You can now go ahead and create your all-flash vSAN. Your capcity disk will now shown as HDD (even though it is an SSD)

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  9. kj0
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    #308
    Quote Originally Posted by Essendon View Post
    A new admin, John, has joined your company. He's been given administrator rights to vCenter (there's only one). He goes to the web client URL, punches in his username as john and the correct password but he's unable to logon (message is incorrect username/password). You come over to investigate and immediately tell him his username should be contoso\john. Why?

    Without the domain name prefix, vCenter SSO will try to authenticate against the vsphere.local domain, by default. With the domain specified, vCenter SSO will authenticate against the contoso domain.
    Default identity source has not been set to that particular domain.
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    #309
    Quote Originally Posted by kj0 View Post
    Default identity source has not been set to that particular domain.
    I'd say he forgot to use the full fqdn / domain prefix. Unless he uses contoso\un, SSO will use vsphere.local as default domain.

    Identity source is probably configured already because "You" tell John to use his domain credentials.
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    #310

    You are tasked to deploy an appliance on a fresh vSphere 6 environment and connect it to the Lookup Service.

    You enter the following details



    But you receive the following error



    What seems to be the problem ?

    See answer below



    In vSphere 6, the Lookup Service now runs on port 443 instead of 7444
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  12. Senior Member tomtom1's Avatar
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    #311
    Very good questions guys, didn't know, for example, that the lookup service now runs on port 443. Same goes for the webclient, it isn't 8443 anymore but just 443.

    I'm up, I guess:

    What 2 things does VM component protection protect against, and what is the difference between those scenario's?
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    #312
    Quote Originally Posted by tomtom1 View Post
    Very good questions guys, didn't know, for example, that the lookup service now runs on port 443. Same goes for the webclient, it isn't 8443 anymore but just 443.
    Queue eager admins upgrading vSphere, blowing everything up and networks not able to see in the firewall logs that things ... changed
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  14. Senior Member tomtom1's Avatar
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    #313
    Q: Which licensing edition is required for a VM to enable FT fast-checkpointing with 4 vCPU's and 64 GB of memory?
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    #314
    Quote Originally Posted by tomtom1 View Post
    Q: Which licensing edition is required for a VM to enable FT fast-checkpointing with 4 vCPU's and 64 GB of memory?
    Must be higher than Enterprise Plus. Some sort of secret MI7 / CIB / FBJ licence because my Enterprise Plus only let's me enable 1vCPU for some reason to a point where I have given up.
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  16. Senior Member tomtom1's Avatar
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    #315
    Quote Originally Posted by jibbajabba View Post
    Must be higher than Enterprise Plus. Some sort of secret MI7 / CIB / FBJ licence because my Enterprise Plus only let's me enable 1vCPU for some reason to a point where I have given up.
    Well, the standard & enterprise licenses allow for 2 vCPU FT, the enterprise plus allows 4-vCPU FT.

    Weird that you can't go higher than 1 vCPU. You're doing this via the web client right?
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    #316
    Quote Originally Posted by tomtom1 View Post
    Well, the standard & enterprise licenses allow for 2 vCPU FT, the enterprise plus allows 4-vCPU FT.

    Weird that you can't go higher than 1 vCPU. You're doing this via the web client right?
    I do and it says the 2vCPUs configured are above limited. Will test again.
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  18. Senior Member tomtom1's Avatar
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    #317
    And another one:

    When using VVOLs, what is considered the maximum file size for a given VMDK (data) VVOL?
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  19. VCDX in 2017 Essendon's Avatar
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    #318
    Hey Tom, is it = to maximum size of a vmdk? I'm not sure of this one.
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  20. VCDX in 2017 Essendon's Avatar
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    #319
    I'll chuck in some more questions to aid people preparing for their VCP6 test.

    Q. A requirement has arisen in your client's environment to prevent three VMs in the same subnet from talking to each other. You relish the opportunity of having to configure a PVLAN for this requirement. You jump right in and create a promiscuous VLAN and an isolated PVLAN. You put the 3 VMs in a port group and assign it the PVLAN. Elated at completing this requirement you hand this setup over. The customer runs a test and discovers the VMs are still able to talk to each other. This enrages the customer and she comes at you holding a meat cleaver with her mouth frothing. What can you do to rectify the technical issue? What have you missed in the config?
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  21. kj0
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    #320
    Quote Originally Posted by tomtom1 View Post
    And another one:

    When using VVOLs, what is considered the maximum file size for a given VMDK (data) VVOL?
    When it won't go any further?
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  22. kj0
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    #321
    Quote Originally Posted by Essendon View Post
    I'll chuck in some more questions to aid people preparing for their VCP6 test.

    Q. A requirement has arisen in your client's environment to prevent three VMs in the same subnet from talking to each other. You relish the opportunity of having to configure a PVLAN for this requirement. You jump right in and create a promiscuous VLAN and an isolated PVLAN. You put the 3 VMs in a port group and assign it the PVLAN. Elated at completing this requirement you hand this setup over. The customer runs a test and discovers the VMs are still able to talk to each other. This enrages the customer and she comes at you holding a meat cleaver with her mouth frothing. What can you do to rectify the technical issue? What have you missed in the config?
    Not set up the PVLAN at the Switch level.
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  23. VCDX in 2017 Essendon's Avatar
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    #322
    Q. You are upgrading a customer's environment that has a mix of clusters running vSphere 4.1, 5.0 and 5.1. vCenter Servers running 5.0 and 5.1 versions are easily upgraded to 6.0. But the 4.1 > 6.0 upgrade is a different kettle of fish. How would you upgrade 4.1 to 6.0?
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    #323
    Quote Originally Posted by Essendon View Post
    Q. You are upgrading a customer's environment that has a mix of clusters running vSphere 4.1, 5.0 and 5.1. vCenter Servers running 5.0 and 5.1 versions are easily upgraded to 6.0. But the 4.1 > 6.0 upgrade is a different kettle of fish. How would you upgrade 4.1 to 6.0?
    You

    A. Say you don't like it and rather migrate
    or
    B. Upgrade to 5 first, then go to 6.

    Bear in mind you need to upgrade vCenter first before attacking the hosts.
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  25. kj0
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    #324
    Q. During a Cross vCenter vMotion. What prevents a duplicate MAC address from being created on the old vCenter?

    a) Access Deny List
    b) MAC Deny List
    c) Block List
    d) Blacklist
    e) Scratch list
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    #325
    Quote Originally Posted by kj0 View Post
    Q. During a Cross vCenter vMotion. What prevents a duplicate MAC address from being created on the old vCenter?

    a) Access Deny List
    b) MAC Deny List
    c) Block List
    d) Blacklist
    e) Scratch list
    VCenter maintains a blacklist.
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