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Titolo
Backup failures with Index Out Of Range Exception -
Descrizione
On EISA partitions, transfers are consistently failing with the following error:The index 10032 is greater than the maximum valid index, which is one less than the capacity 10031System.AggregateException: One or more errors occurred. ---> WCFClientBase.ClientServerErrorException: Call to service method https://agent:8006/apprecovery/api/agent/transfer/snapshots/29e15ebf-17d3-4dd8-9ca0-29e6e1182a24/volumes/~|~~|~.~|~HarddiskVolume1~|~/blocks/allocated GET failed: The index 10032 is greater than the maximum valid index, which is one less than the capacity 10031 ---> System.IndexOutOfRangeException: The index 10032 is greater than the maximum valid index, which is one less than the capacity 10031 at Replay.Common.Containers.Implementation.Collections.SparseBitmap.ValidateIndex(UInt64 index) at Replay.Common.Containers.Implementation.Collections.SparseBitmap.SetRange(UInt64 index, UInt64 count, Boolean value) at Replay.Common.Implementation.Drivers.FatDriverVolume.GetAllocatedBlocks() at Replay.Agent.Implementation.Transfer.TransferSession.GetVolumeAllocatedBlocks(VolumeName volumeName) at Replay.Agent.Management.Transfer.TransferManagement.GetVolumeAllocatedBlocks(String snapshotSetId, String volumeName, Stream responseStream) --- End of inner exception stack trace --- at WCFClientBase.ClientBase.HandleResponse(Uri uri, String method, HttpResponseMessage response) at WCFClientBase.ClientBase.GetResponse(Uri uri, String method, String knownEtag) at WCFClientBase.ClientBase.StreamExecuteServiceCall(Uri uri, String method) at Replay.Core.Implementation.Agents.AgentClient.GetVolumeAllocatedBlocks(Guid snapshotSetId, VolumeName volumeName) atServer side:System.IndexOutOfRangeException: Index was outside the bounds of the array.at Replay.Core.Implementation.Rollup.RollupJob.DoRollupInternal()at System.Threading.Tasks.Task.Execute() -
Causa
The EISA partition that has Fat16 file system is supported for backups but there is a file called "FatMetadata.xml" that was created to track FAT changes. This file must be removed from this partition first before backups can complete successfully. -
Risoluzione
To resolve this issue:- Stop the agent service.
- Remove the FatMetadata.xml file from the EISA partition.
- Start the agent service.
- Force a backup.
Transfers will be successful.