VCP5 NFS/NAS Review

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Author:
daveg
ID:
254544
Filename:
VCP5 NFS/NAS Review
Updated:
2014-01-05 08:58:11
Tags:
100 VCP5
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Description:
Review of NFS/NAS requirements and procedures for VCP5 exam
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  1. What privaleges does the ESXi host require for NFS access?
    Root privileges with Read/Write access (if deploying VMs to NFS)

    No Root Squash must be configured by the NFS administrator on the NFS server.
  2. What are the requirements for an NFS datastore?
    • 1. Create a VMkernal paort
    • 2. NFS Server Name/ IP address
    • 3. Folder on the NFS server (i.e /lun1 etc.)
    • 4. Mount as system read only (default: read/write)
    • 5. NFS datasotre name:
  3. You add an RDM to a VM on a NFS datastore, but the operation fails. What's the problem?
    The VMkernal routes SCSI commands over RDM without modification, but NFS does not support SCSI commands on this interface. Instead, select a VMFS datastore for the location of the RDM's pointer files
  4. What are the multipathing recommendations for NFS storage (assuming EtherChannel support on the external switch)
    • a. one vmkernal port
    • b. adapters attached to seperate switchs with nic teaming
    • c. configure the nfs server with mulitilpe ip addresses
    • d. nic teaming policy = ip hash load balancing policy
  5. What are the multipathing recommendations for NFS storage (without EtherChannel support on the external switch)
    • a. 2 or more vmkernal ports on different virtual switches on different subnets
    • b. NIC teaming with adapters attached to the same physical switch
    • c. configure the nfs server with multlple IP addresses even on same subnet
    • d. allow VMkernel routing table to make decision on which link to send packets (require mulitpe datastores)

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