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SCV Task 'Discovering Resources' failed due to name resolution issue

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Applies to

SnapCenter Plug-in for VMware vSphere (SCV)

Issue

  • SCV backup job fails to discover resources with error:

The backup job <Job_ID> has completed on primary
Status: failed
Task failures
Task 'Discovering Resources' failed with error: Unable to discover resources on SCV: Failed to get the storage system for host resource : Name : /<NFS_VOLUME>, Type: SDNASDir

  • At a time different from backup job, ProtectionService.log reports error:

2021-07-21 09:45:50.566 +00:00 [WRN] [Storage] [TID:11] [RID:] [CID:] [JID:-1] Failed to resolve <IP_ADDRESS> byHostEntry, Exception:System.Net.Internals.SocketExceptionFactory+ExtendedSocketException (00000005, 0xFFFDFFFF): Name or service not known
   at System.Net.Dns.InternalGetHostByAddress(IPAddress address)
   at System.Net.Dns.GetHostEntry(String hostNameOrAddress)
   at SnapDrive.Nsf.Common.Infrastructure.Storage.NetworkResourceIdCache.ResolveWithDns(String hostName)

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