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如果设置了严格的后端和 ONTAP 限制, Trident PV 部署可能会失败

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2
Visibility:
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Category:
trident-kubernetes
Specialty:
snapx
Last Updated:

适用场景

适用于 Kubernetes 和 OpenShift 的 Trident

问题描述

如果尝试从 ONTAP 经济型后端提供新的 PV ,而现有卷中似乎有足够的可用空间,则 Trident 会创建一个额外的经济型卷,或者无法为 PV 提供以下错误:
 
Failed to create volume pvc-<UUID> on storage pool <AGGREGATE> from backend BACKEND_NAME: backend cannot
satisfy create request for volume <PREFIX>_pvc_<UUID>: (ONTAP-NAS-QTREE pool <AGGREGATE>/<AGGREGATE>; Flexvol location/creation failed <PREFIX>_pvc_<UUID>: error creating Flexvol for qtree: error creating Flexvol: API status: failed, Reason: Cannot create volume. Reason: Maximum volume count for VserverSVM reached. Maximum volume count is 2
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