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84 lines
2.6 KiB
Plaintext
84 lines
2.6 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * virt/creating_vm/virt-creating-vms-from-templates.adoc
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// * virt/managing_vms/virt-edit-vms.adoc
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:_mod-docs-content-type: REFERENCE
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[id="virt-storage-wizard-fields-web_{context}"]
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= Storage fields
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[role="_abstract"]
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To optimize storage performance and ensure data availability for your workloads, configure the storage fields to define the source, size, and disk characteristics of your virtual machine (VM).
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[cols="1a,3a"]
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|===
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|Field |Description
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|Blank (creates PVC)
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|Create an empty disk.
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|Import via URL (creates PVC)
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|Import content via URL (HTTP or HTTPS endpoint).
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|Use an existing PVC
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|Use a PVC that is already available in the cluster.
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|Clone existing PVC (creates PVC)
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|Select an existing PVC available in the cluster and clone it.
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|Import via Registry (creates PVC)
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|Import content via container registry.
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ifndef::openshift-rosa,openshift-dedicated[]
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|Container (ephemeral)
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|Upload content from a container located in a registry accessible from the cluster. The container disk should be used only for read-only filesystems such as CD-ROMs or temporary virtual machines.
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endif::openshift-rosa,openshift-dedicated[]
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|Name
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|Name of the disk. The name can contain lowercase letters (`a-z`), numbers (`0-9`), hyphens (`-`), and periods (`.`), up to a maximum of 253 characters. The first and last characters must be alphanumeric. The name must not contain uppercase letters, spaces, or special characters.
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|Size
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|Size of the disk in GiB.
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|Type
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|Type of disk. Example: Disk or CD-ROM
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|Interface
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|Type of disk device. Supported interfaces are *virtIO*, *SATA*, and *SCSI*.
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|Storage Class
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|The storage class that is used to create the disk.
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|===
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[id="virt-storage-wizard-fields-advanced-web_{context}"]
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== Advanced storage settings
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The following advanced storage settings are optional and available for *Blank*, *Import via URL*, and *Clone existing PVC* disks.
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If you do not specify these parameters, the system uses the default storage profile values.
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[cols="1a,1a,3a",options="header"]
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|===
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|Parameter |Option |Parameter description
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.2+|Volume Mode
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|Filesystem
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|Stores the virtual disk on a file system-based volume.
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|Block
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|Stores the virtual disk directly on the block volume. Only use `Block` if the underlying storage supports it.
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.3+|Access Mode
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|ReadWriteOnce (RWO)
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|Volume can be mounted as read-write by a single node.
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|ReadWriteMany (RWX)
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|Volume can be mounted as read-write by many nodes at one time.
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[NOTE]
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====
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This mode is required for live migration.
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====
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|ReadOnlyMany (ROX)
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|Volume can be mounted as read only by many nodes.
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|===
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