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1. ReadWriteOncePod access mode for persistent volumes is a Technology Preview feature.
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1. RWOP uses the SELinux mount feature. This feature is driver dependent, and enabled by default in ODF, AWS EBS, Azure Disk, GCP PD, IBM VPC Block, Cinder, and vSphere. For third-party drivers, please contact your storage vendor.
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:FeatureName: ReadWriteOncePod access mode for persistent volumes
1. ReadWriteOnce (RWO) volumes cannot be mounted on multiple nodes. If a node fails, the system does not allow the attached RWO volume to be mounted on a new node because it is already assigned to the failed node. If you encounter a multi-attach error message as a result, force delete the pod on a shutdown or crashed node to avoid data loss in critical workloads, such as when dynamic persistent volumes are attached.
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2. ReadWriteOncePod is a Technology Preview feature.
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2. Use a recreate deployment strategy for pods that rely on AWS EBS.
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3. Use a recreate deployment strategy for pods that rely on AWS EBS.
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4. Only raw block volumes support the ReadWriteMany (RWX) access mode for Fibre Channel and iSCSI. For more information, see "Block volume support".
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3. Only raw block volumes support the ReadWriteMany (RWX) access mode for Fibre Channel and iSCSI. For more information, see "Block volume support".
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ifndef::openshift-dedicated,openshift-rosa[]
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5. If the underlying vSphere environment supports the vSAN file service, then the vSphere Container Storage Interface (CSI) Driver Operator installed by
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4. If the underlying vSphere environment supports the vSAN file service, then the vSphere Container Storage Interface (CSI) Driver Operator installed by
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{product-title} supports provisioning of ReadWriteMany (RWX) volumes. If you do not have vSAN file service configured, and you request RWX, the volume fails to get created and an error is logged. For more information, see "Using Container Storage Interface" -> "VMware vSphere CSI Driver Operator".
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