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Virtualization Infrastructure Administration

Virtualization Infrastructure Administration. Storage Jakub Yaghob. vSphere storage choices. ESXi hosts. NFS. VMware vSphere VMFS. datastore types. File system. FCoE. NAS. Direct Attached. Fibre Channel. iSCSI. storage technology. vSphere datastores. Datastore

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Virtualization Infrastructure Administration

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  1. Virtualization Infrastructure Administration Storage Jakub Yaghob

  2. vSphere storage choices ESXi hosts NFS VMware vSphere VMFS datastore types Filesystem FCoE NAS DirectAttached Fibre Channel iSCSI storage technology

  3. vSpheredatastores • Datastore • Logical storage unit • Partition, physical disk • Spanning • Types • VMFS • NFS • VMs, templates, ISO images ESXi host VM content datastore volume

  4. application operating system VMware vSphere VMware vSphere x86 architecture x86 architecture x86 architecture Physical file system vs. virtual file system physical architecture virtual architecture NTFS,ext3, UFS VMFS

  5. vSphere storage adapters • Unified storage controller view • SATA • SCSI • HW iSCSI • SW iSCSI • FC • FCoE • USB

  6. vSpheremultipathing • Multipathing • Multiple paths to the device • Automatic detection of the same device • Path management • Path selection • Preferred path • Status

  7. vSphere storage • Disk/LUN • Select available device • Hot increase • NFS • Server • Folder • Must have no_root_squash

  8. vSphere storage vendor provider • Extends storage capability • SW plug-in • Storage API • Storage topology, capabilities, status • Vendor provider component on the array • Server, plug-in is a client • Defines system storage capabilities

  9. vSphere storage profiles • List of required storage capabilities • VM storage must satisfy them • User defined storage capabilities • Must be enabled • Must have license • Check compliancy

  10. vSphere RDM • Raw Device Mapping • RDM is a mapping file • Proxy for a raw physical storage device • Contains metadata for managing and redirecting disk access to the physical device • Allows a VM to directly access and use the storage device • Compatibility modes • Virtual – RDM behaves exactly as a virtual disk, snapshots possible • Physical – direct access to the device, no snaoshots

  11. vSphere – exercise • Connect all hosts to the VIRTSAN iSCSI target • VIRTSAN IP = 10.251.0.1 • Hypervisor Y IP = 10.251.x.y • Network mask 255.255.0.0 • iSCSI IQN = iqn.1991-05.com.microsoft:virtsan-vxxsan-target • No CHAP • Static discovery

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