VM's using VMware on W10 Host with Storage Spaces randomly fail

  1. jimbo45's Avatar
    Posts : 7,664
    Windows / Linux : Centos, Ubuntu, OpenSuse
       #1

    VM's using VMware on W10 Host with Storage Spaces randomly fail


    Hi folks

    Running some VM's on W10 Host (x-64 PRO) with VMware workstation Rel 14 I get random failures if the VM's are on storage spaces. The same VM's work perfectly when on external SSD's or internal standard (non Storage space area) HDD's.

    The failures are seemingly totally random and could be something to do with the underlying file system of the storage space array -- don't know enough about Ms's implementation of storage spaces so can't say.

    I suggest though if using Storage spaces for your VM's and using VMware I'd back them up to standard devices in case of failure.

    I've sent log and report to VMware (fully licensed for VMware workstation Rel 14).

    Message comes up ,vdmk failed and the VM hangs. hast to be forceably powered off from the VM menu. It shows one of the virtual disk areas has had some I/O problem -=-it's not always the same number - it's random. intermittent and 100% unpredictable so I've given up the idea of storage spaces for Virtual Machines currently.

    Strange thing is the OTHER way around - running Windows VM's also on VMware workstation 14 on a Linux host running RAID 0 no problems whatsoever when the VM's are on the RAID 0 arrays.

    So the identical VM's fail on windows but not Linux -- hope VMware can sort this out - or Ms need to fix problems with Storage spaces.

    Haven't sent a report to Ms as I can bet they'll say it's VMware's problem not ours.

    Cheers
    jimbo
      My ComputerSystem Spec

  2.    #2

    Hey,

    I would definitely say that the issue is related to the underlying storage. What kind of Storage Spaces pool did you deploy?
    From my experience parity Storage Spaces has bad performance. You can try doing the same tests with Two-way mirror. I have worked with VMs on top of those pools with no major issues.
      My ComputerSystem Spec


 

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