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From serg38 <>
Subject [GitHub] cloudstack pull request: CLOUDSTACK-9252: Support configurable NFS...
Date Mon, 25 Jan 2016 16:00:28 GMT
Github user serg38 commented on the pull request:
    Unfortunately NFS version negotiation doesn't work properly with all storage vendors.
Some vendors e.g. Tintri require that vers=3 is supplied in mount command likely due to the
fact they don't support negotiations on the server side.
    When such NFS secondary storages tries to get mounted in SSVM an exception in mount is
    'mount.nfs: Protocol family not supported'
    The same happens when trying to mount in shell so mount command needs to be told a specific
version. If done so mount succeeds in both management server as well as in SSVM. Supporting
nfs.version in image_store_details gives the best option to support great variety of NFS storage
vendors without bluntly relying on version negotiation in nfs.mount.

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