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Copy file name to clipboardExpand all lines: modules/bmo-about-the-baremetalhost-resource.adoc
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[NOTE]
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====
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{product-title} {product-version} supports hardware RAID for BMCs, including:
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{product-title} {product-version} supports hardware RAID on the installation drive for BMCs, including:
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* Fujitsu iRMC with support for RAID levels 0, 1, 5, 6, and 10
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* Dell iDRAC using the Redfish API with firmware version 6.10.30.20 or later and RAID levels 0, 1, and 5
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{product-title} {product-version} does not support software RAID.
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{product-title} {product-version} does not support software RAID on the installation drive.
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====
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See the following configuration settings:
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** `rotational`: If set to `true`, it will only select rotational disk drives. If set to `false`, it will only select solid-state and NVMe drives. If not set, it selects any drive types, which is the default behavior.
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** `sizeGibibytes`: The size of the logical drive as an integer to create in GiB. If unspecified or set to `0`, it will use the maximum capacity of physical drive for the logical drive.
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* `softwareRAIDVolumes`: {product-title} {product-version} does not support software RAID. The following information is for reference only. This configuration contains the list of logical disks for software RAID. If you do not specify `rootDeviceHints`, the first volume is the root volume. If you set `HardwareRAIDVolumes`, this item will be invalid. Software RAIDs will always be deleted. The number of created software RAID devices must be `1` or `2`. If there is only one software RAID device, it must be `RAID-1`. If there are two RAID devices, the first device must be `RAID-1`, while the RAID level for the second device can be `0`, `1`, or `1+0`. The first RAID device will be the deployment device. Therefore, enforcing `RAID-1` reduces the risk of a non-booting node in case of a device failure. The `softwareRAIDVolume` field defines the desired configuration of the volume in the software RAID. The sub-fields are:
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* `softwareRAIDVolumes`: {product-title} {product-version} does not support software RAID on the installation drive. This configuration contains the list of logical disks for software RAID. If you do not specify `rootDeviceHints`, the first volume is the root volume. If you set `HardwareRAIDVolumes`, this item will be invalid. Software RAIDs will always be deleted. The number of created software RAID devices must be `1` or `2`. If there is only one software RAID device, it must be `RAID-1`. If there are two RAID devices, the first device must be `RAID-1`, while the RAID level for the second device can be `0`, `1`, or `1+0`. The first RAID device will be the deployment device, which cannot be a software RAID volume. Enforcing `RAID-1` reduces the risk of a non-booting node in case of a device failure. The `softwareRAIDVolume` field defines the desired configuration of the volume in the software RAID. The sub-fields are:
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** `level`: The RAID level for the logical drive. The following levels are supported: `0`,`1`,`1+0`.
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** `physicalDisks`: A list of device hints. The number of items should be greater than or equal to `2`.
Copy file name to clipboardExpand all lines: modules/installation-special-config-raid.adoc
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You can enable software RAID partitioning to provide an external data volume. {product-title} supports RAID 0, RAID 1, RAID 4, RAID 5, RAID 6, and RAID 10 for data protection and fault tolerance. See "About disk mirroring" for more details.
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[NOTE]
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====
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{product-title} {product-version} does not support software RAIDs on the installation drive.
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====
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.Prerequisites
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* You have downloaded the {product-title} installation program on your installation node.
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