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vSphere 6.5 what’s new – VVols

Duncan Epping · Oct 20, 2016 ·

Well I guess I can keep this one short, what is new for VVols? Replication. Yes, that is right… finally if you ask me. This is something I know many of my customers have been waiting for. I’ve seen various customers deploy VVols in production, but many were holding off because of the lack of support for Replication and with vSphere 6.5 that has just been introduced. Note that alongside with new VVol capabilities we have also introduced VASA 3.0. VASA 3.0 provides Policy Components in the SPBM UI which allows you to combine for instance a VVol policy with a VAIO Filter based solution like VMCrypt / Encryption or for instance Replication or Caching from a third party vendor.

When it comes to replication I think it is good to know that there will be Day 0 support from both Nimble and HPE 3PAR. More vendors can be expected soon. Not only is replication per object supported, but also replication groups. Replication groups can be viewed as consistency groups, but also a unit of granularity for failover. By default each VM will be in its own replication group, but if you need some form of consistency or would like a group of VMs always to failover at the same time then they can be lumped together through using the replication group option.

There is a full set of APIs available by the way, and I would expect most storage vendors to provide some tooling around their specific implementation. Note that through the API you will for instance be able to “failover” or do a “test failover” and even reverse replication if and when desired. Also, this release will come with a set of new PowerCLI cmdlets which will also allow you to failover and reverse replication, I can’t remember having seen the test failover cmdlet but as it is also possible through the API that should not be rocket science for those who need this functionality. Soon I will have some more stuff to share with regards to scripting DR scenarios…

Related

BC-DR, Server, Software Defined, Storage 6.5, BC-DR, replication, vasa, VMware, vvol

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Comments

  1. [email protected] says

    20 October, 2016 at 15:46

    Finally, thanks Duncan for sharing.

  2. Burhan Halilov (@7400N) says

    21 October, 2016 at 06:41

    Is VASA 3 inband now or still ip only ?

  3. George says

    21 October, 2016 at 14:46

    cool, so now SRM works with vVOLs you are saying ? … Finally !!!

    • [email protected] says

      25 October, 2016 at 09:02

      No, VVols can be replicated… not saying SRM is supported

  4. Edme says

    25 October, 2016 at 08:02

    Will vvol replication leverage replication of the storage unit or is it VMware replication?

    • mosheblumberg says

      2 November, 2016 at 11:54

      Should leverage the storage array replication as it’s configured in the storage policy, which expose the storage vendor capabilities via VASA3

  5. Dag Kvello says

    26 October, 2016 at 12:14

    OK. It’s hard to find any vVol information on 6.5
    But, are these gone ? It’s a major pain in my backup…

    1) VDDK cannot HotAdd a > 2TB disk on VVol datastores

    2) For HotAdd with VVols, proxy must be on same datastore

  6. Dag Kvello says

    9 January, 2017 at 10:44

    To answer at least one of my questions (2) – The proxy’s that need hot-add access to virtual machines during backup still need to be placed on a vVol themselves

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About the author

Duncan Epping is a Chief Technologist in the Office of CTO of the Cloud Platform BU at VMware. He is a VCDX (# 007), the author of the "vSAN Deep Dive", the “vSphere Clustering Technical Deep Dive” series, and the host of the "Unexplored Territory" podcast.

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