Vsphere datastore usage on disk11/22/2023 Setting, and enabling this can cause unexpected performance impacts.įrom the vSphere Web Client Navigator, select vCenter Inventory Lists > Cisco HyperFlex Systems > Cisco HX Data Platform > cluster > Manage > Datastores.Ĭreate a new or select an existing datastore, to view options.ĭatastores are logical containers, similar to file systems, that hide specifics of physical storage and provide a uniform This could be due to ESXi and vCenter space reporting for each VM files ignoring the "uniqueBytes"Īttributes sent by underlying NFS storage in Extended stats and attributes via VAAI APIs.įor Vmware ESXi environments, ensure Storage I/O is disabled for all Of all flat VMDK files as reported by the vCenter/ESXi and HX Connect could be higher than the Datastore usage itself reportedīy vCenter & HX Connect. When VMs have flat vmdk files, one with thin provisioned and one with thick provisioned, the total combined storage usage If using an M5/M6 node, you can use any left over space in the HyperFlex NFS or local Springpath datastore for these purposes. If using an M4 node, never use either the HyperFlex NFS or local Springpath datastore for ESXi logging or coredump partition. HX Native Snapshots are not supported with multiple datastores. Keep the number of datastores to as few as possible to avoid start-up delay and to keep clone savings high. Each host experiences a 30-second additive delay per datastore created. Is linear to the number of datastores created. The impact of using more than 15 datastores per cluster include:Įxcessive start-up delay when you perform maintenance work (updates, upgrades and reboots). The Cisco HyperFlex best practice recommendation is to not exceed 15 number of datastores. Encryption cannot be disabled for a datastore onceįor best start-up and upgrade performance, use the fewest number of datastores as Mount/unmount of a datastore will be impacted.Įnabling encryption on your cluster is only possible during the datastoreĬreation procedure. If they are not identical, some operations such as expansion, (that appears in vCenter) must be identical including case sensitive. The datastore names shown in HX Connect or Intersight and in the ESXi host datastore VCenter administration interface is not supported, and should not be done.ĭo not rename an HX datastore from vCenter. You can only rename an unpaired datastore that is unmounted. You can add, refresh the list, edit name and size, delete, mount and unmount datastores from either the HX Connect UI or the Datastores hide the specifics of physical storage devicesĪnd provide a uniform model for storing VM files. DatastoresĪre where the host places virtual disk files and other VM files. Recovering from Partially Unmounted Datastoresĭatastores are logical containers used by the HX Data Platform to manage your storage usage and storage resources.
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