3524583 - HANA DB backup is failing - 'rc=61: No data available'

The backups could not be completed and the following errors can be seen in the indexserver log, furthermore in the var/log messages:

1. Indexserver:

 Backup           BackupExe_SimpleExecutor.cpp(00268) : executeBackup: caught exception: exception  1: no.2000008  (Basis/IO/FileAccess/impl/LocalFileCompletionThread.cpp:320) TID: 
    Error during asynchronous file transfer (io_getevents), rc=61: No data available; $fileCallback$=[R] , buffer= , offset= , size= , file= "<root>/datavolume_0000.dat" ((open, mode= RW, access= rw-rw-r--, flags= ASYNC|DIRECT|MUST_EXIST|LOCK), factory= (root= "/hana/data/SID/mnt00001/hdb00003.00003/" (access= rw-rw-r--, flags= AUTOCREATE_PATH, usage= DATA, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submit=on,num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_submit_batch_size=16,max_submit_batch_size=64))) {shortRetries= 0, fullRetries= 10 (10/10)}
exception throw location:
 1: 0x00007ff307431909 in FileAccess::LocalFileIOControlBlock::reportError(char const*, unsigned long, char const*, int)+0x35 at LocalFileCallback.cpp:351 (libhdbbasis.so)
 2: 0x00007ff307434679 in FileAccess::LocalFileCompletionThread::run(void*&)+0xde5 at LocalFileCompletionThread.cpp:320 (libhdbbasis.so)
 3: 0x00007ff30747ab0b in Execution::Thread::staticMainImp(Execution::Thread*)+0x537 at Thread.cpp:529 (libhdbbasis.so)
 4: 0x00007ff307469a48 in Execution::pthreadFunctionWrapper(Execution::Thread*)+0x1d4 at ThreadInterposition.cpp:636 (libhdbbasis.so)
 5: 0x00007ff306b5574a in start_thread+0xc6 (libpthread.so.0)
 6: 0x00007ff305350f6d in __clone+0x69 (libc.so.6)

2. Var/log messages:

 hdbrdq kernel: [100424.770269] sd 1:1:0:6: [sdg] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
 hdbrdq kernel: [100424.770278] sd 1:1:0:6: [sdg] tag#14 Sense Key : Medium Error [current] 
 hdbrdq kernel: [100424.770281] sd 1:1:0:6: [sdg] tag#14 Add. Sense: Unrecovered read error
 hdbrdq kernel: [100424.770292] sd 1:1:0:6: [sdg] tag#14 CDB: Read(16) 88 00 00 00 00 01 28 c6 9a 00 00 00 08 00 00 00
 hdbrdq kernel: [100424.770295] print_req_error: critical medium error, dev sdg, sector 4979071488

HW, hardware, rc=61, no data available, Unrecovered read error, HANA, backup, underlying , KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , Problem