Commvault Auxiliary Copy Operation to ISILON NL400: The path is being accessed by another application.

Hi All,

Wonder anyone has come across this & how to overcome this problem?

Commvault Auxiliary Copy Operation to ISILON NL400: The path is being accessed by another application.

o From the CommCell Console:
Error occurred while processing chunk [41869450] in media [V_2488655], at the time of error in library [EMC Isilon - D21002] and mount path [[CV-Media-Server] \\d21xxx.xxx.xx\CV-Media-Server_arch_01], for storage policy [SP - D84001] copy [04 - D21 Offsite Extended (StorageGRID)] MediaAgent [CV-Media-Server]: Backup Job [10387925]. The path is being accessed by another application.
o From the Log Files (small extract):
9140 2114 03/08 13:26:46 28611303 [DM_BASE ] Started LA loop. Batches=16, Links=0/0/0, Offset:131552
9140 2114 03/08 13:26:46 28611303 [DM_BASE ] GetCmpctMap: Wait for I/O failed for compaction map. Sfile 3, Chunk [39, 3663141, 89183280]. ReadSize [0], iRet [0], Err [0x80070020:{IoSlot::WaitForIO(528)/W32.32.(The process cannot access the file because it is being used by another process. (32))}]
9140 2114 03/08 13:26:46 28611303 [DM_BASE ] PopulateSfileRunInfo: Failed to get compaction map for Sfile 3, chunk [39, 3663141, 89183280]. iRet [16]
9140 2114 03/08 13:26:46 28611303 [DM_BASE ] ReadAheadAllRuns: Ignoring read for Sfile 3 [39, 3663141, 89183280] due to Err=16, MMErr=792
9140 1e84 03/08 13:26:46 28611303 [DM_BASE ] SyncWithReadAheadThread: Error found while reading Sfile 3 for Link Chnk [39, 3663141, 89183280]. Err=16, MMErr=792
9140 1e84 03/08 13:26:46 28611303 [DM_BASE ] SyncWithReadAheadThread IsMarkChunkBadMMError returned false for Err [792], Line [3768], Path [\\d21xxx.xxx.xx\CV-Media-Server_arch_01\Folder1\CV_MAGNETIC\V_3663141\CHUNK_89183280\SFILE_CONTAINER_003].
9140 1e84 03/08 13:26:46 28611303 [DM_BASE ] ReadTagHeader: Cannot sync up with the read ahead thread. iRet [-1]
9140 1e84 03/08 13:26:46 28611303 [Reader_794] Failed to read data from the source media. The path is being accessed by another application
9140 1e84 03/08 13:26:46 28611303 [Reader_794] Cannot process data for the chunk.
9140 1e84 03/08 13:26:46 28611303 [DM_BASE ] removeAllArchFilesMap(): Removing all the archive file ids from archive file map.

Thank You