CSI Driver for Unity: NFS 프로토콜을 사용할 때 Unity에서 1.5GB 미만의 PVC(Persistent Volume Claim)를 생성하면 PVC가 Pending 상태로 표시됨
Summary: NFS(Network File System) 프로토콜을 사용할 때 Unity에서 1.5GB 미만의 PVC(Persistent Volume Claim)를 생성하면 PVC가 Pending 상태로 표시됩니다.
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Symptoms
NFS 프로토콜을 사용할 때 Unity에서 1.5GB 미만의 PVC를 생성할 수 없으며 다음 메시지가 표시됩니다.
PVC의 설명 표시:
PVC에 Pending 표시:
CSI 컨트롤러 드라이버 로그 표시:
PVC의 설명 표시:
# kubectl describe pvc pvol0 -n test
...
Warning ProvisioningFailed 35m csi-unity.dellemc.com_unity-controller-66c9b748d7-8hxll_456d3759-46b6-42f5-88e0-75ff8036db4a failed to provision volume with StorageClass "unity-nfs": rpc error: code = Unknown desc = runid=170 Create Filesystem csi-b46e130f5f failed with error: [{The specified file system size is too small. (Error Code:0x6701401)}]
...
Warning ProvisioningFailed 35m csi-unity.dellemc.com_unity-controller-66c9b748d7-8hxll_456d3759-46b6-42f5-88e0-75ff8036db4a failed to provision volume with StorageClass "unity-nfs": rpc error: code = Unknown desc = runid=170 Create Filesystem csi-b46e130f5f failed with error: [{The specified file system size is too small. (Error Code:0x6701401)}]
PVC에 Pending 표시:
# kubectl get pvc -n test
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
pvol0 Pending unity-nfs 37m
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
pvol0 Pending unity-nfs 37m
CSI 컨트롤러 드라이버 로그 표시:
time="2021-05-04T18:05:04Z" level=debug arrayid=apm00180305385 runid=178 msg="Error in response. Method:POST URI:/api/types/storageResource/action/createFilesystem Error: [{The specified file system size is too small. (Error Code:0x6701401)}] JSON Error: [{The specified file system size is too small. (Error Code:0x6701401)}]" func="github.com/dell/gounity.(*Client).executeWithRetryAuthenticate()" file="dell/gounity/unityclient.go:113"
time="2021-05-04T18:05:04Z" level=error arrayid=apm00180305385 runid=178 msg="failed to invoke Unity REST API server" func="github.com/dell/gounity.(*Client).executeWithRetryAuthenticate()" file="dell/gounity/unityclient.go:127"
time="2021-05-04T18:05:04Z" level=debug arrayid=apm00180305385 runid=178 msg="Filesystem create response: Error:[{The specified file system size is too small. (Error Code:0x6701401)}]" func="github.com/dell/csi-unity/service.(*service).CreateVolume()" file="/go/src/csi-unity/service/controller.go:198"
time="2021-05-04T18:05:04Z" level=debug msg="/csi.v1.Controller/CreateVolume: REP 0178: rpc error: code = Unknown desc = runid=178 Create Filesystem csi-b46e130f5f failed with error: [{The specified file system size is too small. (Error Code:0x6701401)}]"
time="2021-05-04T18:05:04Z" level=error arrayid=apm00180305385 runid=178 msg="failed to invoke Unity REST API server" func="github.com/dell/gounity.(*Client).executeWithRetryAuthenticate()" file="dell/gounity/unityclient.go:127"
time="2021-05-04T18:05:04Z" level=debug arrayid=apm00180305385 runid=178 msg="Filesystem create response: Error:[{The specified file system size is too small. (Error Code:0x6701401)}]" func="github.com/dell/csi-unity/service.(*service).CreateVolume()" file="/go/src/csi-unity/service/controller.go:198"
time="2021-05-04T18:05:04Z" level=debug msg="/csi.v1.Controller/CreateVolume: REP 0178: rpc error: code = Unknown desc = runid=178 Create Filesystem csi-b46e130f5f failed with error: [{The specified file system size is too small. (Error Code:0x6701401)}]"
Cause
설명서에 나와 있는 것처럼 이는 어레이 제한 사항입니다.
참고: NFS 기반 볼륨/PVC의 필요한 크기에 1.5GB가 추가됩니다. 이는 메타데이터 저장에 1.5GB를 사용하는 Unity 어레이 요구 사항 때문입니다. 여기서 드라이버를 통한 NFS 프로토콜의 최소 PVC 크기는 1.5GB로, 어레이에 직접 생성할 경우 3GB가 됩니다.
Resolution
PVC는 최소 1.5GB 크기로 생성해야 합니다.
Products
Dell EMC UnityArticle Properties
Article Number: 000186132
Article Type: Solution
Last Modified: 08 Apr 2022
Version: 3
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