DSM backup fails with DSM 4.8 when using azure backup for long time

Issue : DSM backup fails with DSM 4.8 when using azure backup for long time

affected version: DSM 4.8

Description:   DSM backup fails with DSM 4.8 when using azure backup for long time with the below error.   
ERROR: The specified blob already exists.
ErrorCode:BlobAlreadyExists
If you want to overwrite the existing one, please add --overwrite in your command.
Fri 26 Aug 2022 01:00:48 AM UTC - ERROR: failed to access azure storage container
Fri 26 Aug 2022 01:00:48 AM UTC - Failed to backup cassandra to Azure Storage Container ekms-uat-sdkmsbackup with exit code 1
Fri 26 Aug 2022 01:00:48 AM UTC - Failed to backup config to Azure Storage Container ekms-uat-sdkmsbackup with exit code 1
Fri 26 Aug 2022 01:00:48 AM UTC - Failed to backup secrets to Azure Storage Container ekms-uat-sdkmsbackup with exit code 1

Fix: This has been fixed in 4.9 Patch release.