Virtualization Infrastructure Administration Storage Overview
This content provides a detailed overview of virtualization infrastructure administration storage, covering topics such as vSphere storage choices, datastores, physical vs. virtual file systems, storage adapters, multipathing, disk/LUN management, vendor providers, storage profiles, and Raw Device Mapping in VMware vSphere environment.
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Presentation Transcript
Virtualization Infrastructure Administration Storage Jakub Yaghob
vSphere storage choices ESXi hosts datastore types NFS VMware vSphere VMFS File system storage technology Direct Attached Fibre Channel FCoE NAS iSCSI
vSphere datastores Datastore Logical storage unit Partition, physical disk Spanning Types VMFS NFS VMs, templates, ISO images ESXi host VM content datastore volume
Physical file system vs. virtual file system physical architecture virtual architecture application operating system VMware vSphere VMware vSphere x86 architecture x86 architecture x86 architecture NTFS, ext3, UFS VMFS
vSphere storage adapters Unified storage controller view SATA SCSI HW iSCSI SW iSCSI FC FCoE USB
vSphere multipathing Multipathing Multiple paths to the device Automatic detection of the same device Path management Path selection Preferred path Status
vSphere storage Disk/LUN Select available device Hot increase NFS Server Folder Must have no_root_squash
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
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
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 snapshots
