2 copy jobs writing to the same tape drive

[Hermelito Go]

Hi,
         I have multiple copy jobs running in parallel. Sometimes 2 jobs are writing to the same tape drive.  Is this normal?
How  is bareos handling tape multiplexing?
I can't find any bareos document about tape multiplexing.

Thanks,

bareos-sd Version: 20.0.1 (02 March 2021) CentOS Linux release 8.2.2004 (Core)
Daemon started 30-Apr-22 00:48. Jobs: run=1188, running=4, bareos.org build binary
 Sizes: boffset_t=8 size_t=8 int32_t=4 int64_t=8 bwlimit=0kB/s

Running Jobs:
Writing: Full Backup job zabbix-isg-fd JobId=108933 Volume="FullDisk6-2201"
    pool="FullDisk6" device="FileStorage6" (/bk/disk6)
    spooling=0 despooling=0 despool_wait=0
    Files=250,369 Bytes=3,411,040,802,460 AveBytes/sec=111,679,952 LastBytes/sec=111,679,952
    FDReadSeqNo=54,217,665 in_msg=53486908 out_msg=5 fd=10
Reading: Incremental Copy job CopyFullDisk0toAWS JobId=107644 Volume="FullDisk0-0784"
    pool="FullDisk0" device="FileStorage0" (/bk/disk0)
Writing: Incremental Copy job CopyFullDisk0toAWS JobId=107644 Volume="FULLC8D264"
    pool="AWSFull" device="tapedrive-2" (/dev/tape/by-path/ip-134.4.80.68:3260-iscsi-iqn.1997-05.com.amazon:sgw-c76b18cae-tapedrive-03-lun-0-nst)
    spooling=0 despooling=0 despool_wait=0
    Files=464,214 Bytes=86,636,488,451 AveBytes/sec=8,308,063 LastBytes/sec=8,308,063
    FDSocket closed
Writing: Full Backup job ipacwiki-fd JobId=109007 Volume="FullDisk2-4521"
    pool="FullDisk2" device="FileStorage2" (/bk/disk2)
    spooling=0 despooling=0 despool_wait=0
    Files=398,232 Bytes=26,024,229,217 AveBytes/sec=28,504,084 LastBytes/sec=28,504,084
    FDReadSeqNo=4,452,716 in_msg=3085744 out_msg=5 fd=18
Reading: Incremental Copy job CopyDiffDisk1toAWS JobId=109498 Volume="DiffDisk1-2004"
    pool="DiffDisk1" device="FileStorage1" (/bk/disk1)
Writing: Incremental Copy job CopyDiffDisk1toAWS JobId=109498 Volume="DIFFE8CD44"
    pool="AWSDiff" device="tapedrive-1" (/dev/tape/by-path/ip-134.4.80.68:3260-iscsi-iqn.1997-05.com.amazon:sgw-c76b18cae-tapedrive-02-lun-0-nst)
    spooling=0 despooling=0 despool_wait=0
    Files=261,311 Bytes=10,086,857,298 AveBytes/sec=15,711,615 LastBytes/sec=15,711,615
    FDSocket closed
Reading: Incremental Copy job CopyFullDisk5toAWS JobId=109317 Volume="FullDisk5-1392"
    pool="FullDisk5" device="FileStorage5" (/bk/disk5)
Writing: Incremental Copy job CopyFullDisk5toAWS JobId=109317 Volume="FULLC8D264"
    pool="AWSFull" device="tapedrive-2" (/dev/tape/by-path/ip-134.4.80.68:3260-iscsi-iqn.1997-05.com.amazon:sgw-c76b18cae-tapedrive-03-lun-0-nst)
    spooling=0 despooling=0 despool_wait=0
    Files=103 Bytes=10,164,256 AveBytes/sec=10,164,256 LastBytes/sec=10,164,256
    FDSocket closed
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