ECS：请求 ReadLinkRequest 中不支持 NFSv3 过程 LINK

Summary: dataheadsvc 日志流式传输错误：请求 ReadLinkRequest 中不支持 NFSv3 过程 LINK。

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Symptoms

dataheadsvc 日志正在流式传输以下错误：
命令：
# cat /opt/emc/caspian/fabric/agent/services/object/main/log/dataheadsvc.log
示例：

2018-08-16T10:13:35,312 [RpcDispatcherMD-1392] INFO COMMIT3Handler.java (line 132) Retrieved attributes for : 3e53eabbb55102dffba9e462c55656dedaf10f7b9f4389d322173f3ecd295240 Size : 1010564
2018-08-16T10:13:35,314 [RpcDispatcherMD-1284] WARN RpcProgramNfs3.java (line 239) **************** NFSv3 procedure LINK not supported in request ReadLinkRequest : FileHandle:[objectId = 3e53eabbb55102dffba9e462c55656dedaf10f7b9f4389d322173f3ecd295240, ownerZoneUUID = ecb84411-2609-4467-b6ea-14d0f851ccc4]Export:1
2018-08-16T10:13:35,314 [RpcDispatcherMD-1391] WARN RpcProgramNfs3.java (line 239) **************** NFSv3 procedure LINK not supported in request ReadLinkRequest : FileHandle:[objectId = b2fac0d51058bc3138b4da067ed3ca5eb7781e3cd95a9ac535ea3664c7b71f62, ownerZoneUUID = ecb84411-2609-4467-b6ea-14d0f851ccc4]Export:1
2018-08-16T10:13:35,314 [RpcDispatcherMD-1284] ERROR RpcProgramNfs3.java (line 169) Response : Rpc error : Nfsv3 procedure LINK not supported in ReadLinkRequest : FileHandle:[objectId = 3e53eabbb55102dffba9e462c55656dedaf10f7b9f4389d322173f3ecd295240, ownerZoneUUID = ecb84411-2609-4467-b6ea-14d0f851ccc4]Export:1 PROC_UNAVAIL
2018-08-16T10:13:35,314 [RpcDispatcherMD-1391] ERROR RpcProgramNfs3.java (line 169) Response : Rpc error : Nfsv3 procedure LINK not supported in ReadLinkRequest : FileHandle:[objectId = b2fac0d51058bc3138b4da067ed3ca5eb7781e3cd95a9ac535ea3664c7b71f62, ownerZoneUUID = ecb84411-2609-4467-b6ea-14d0f851ccc4]Export:1 PROC_UNAVAIL
2018-08-16T10:13:35,314 [RpcDispatcherMD-1391] ERROR RpcProgramNfs3.java (line 294) Error processing NfsRequest: xid:1441996478 ip:/10.1.1.78 SysSecurity: AuthStatus:AUTH_OK Uid:1001 Gid:1001 Proc:LINK ReadLinkRequest : FileHandle:[objectId = b2fac0d51058bc3138b4da067ed3ca5eb7781e3cd95a9ac535ea3664c7b71f62, ownerZoneUUID = ecb84411-2609-4467-b6ea-14d0f851ccc4]Export:1 NfsResponse: null RpcError: PROC_UNAVAIL
2018-08-16T10:13:35,314 [RpcDispatcherMD-1284] ERROR RpcProgramNfs3.java (line 294) Error processing NfsRequest: xid:1458773694 ip:/10.1.1.78 SysSecurity: AuthStatus:AUTH_OK Uid:1001 Gid:1001 Proc:LINK ReadLinkRequest : FileHandle:[objectId = 3e53eabbb55102dffba9e462c55656dedaf10f7b9f4389d322173f3ecd295240, ownerZoneUUID = ecb84411-2609-4467-b6ea-14d0f851ccc4]Export:1 NfsResponse: null RpcError: PROC_UNAVAIL
2018-08-16T10:13:35,317 [RpcDispatcherMD-1356-0a01821f:165323f0b49:ef:2838a52] WARN FileSystemAccessHelper.java (line 1931) nfsProcessOperation : Object objectId : was not found by method nfsGetSMD
2018-08-16T10:13:35,318 [RpcDispatcherMD-1298-0a01821f:165323f0b49:e6:283489e] WARN FileSystemAccessHelper.java (line 1931) nfsProcessOperation : Object objectId : was not found by method nfsGetSMD

Cause

客户端作使用的网络文件系统 （NFS） 过程是 LINK，即硬链接。这 不受 支持。

Resolution

NFS 支持除 LINK 以外的所有 NFSv3 过程：创建指向对象的硬链接。

Additional Information

请参阅 Technical FAQ的NFS部分。

Affected Products

Elastic Cloud Storage

Products

Elastic Cloud Storage
Article Properties
Article Number: 000042857
Article Type: Solution
Last Modified: 12 Sep 2025
Version:  4
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