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Problem
VMware backups failing with status 23 for Hotadd Transport type
Error Message
Backup Jobs fails with status code 23:
Error bpbrm (pid=442605) from client client1 : ERR - Error opening the snapshot disks using given transport mode: hotadd Status 23
Findings from Vxms logs:
09/18/2019 18:37:30 : openLeafSnapshotDisks:VixGuest.cpp:412 <DEBUG> : Calling connectToHost(SnapMoRef: snapshot-6534, TransportMode: hotadd)
09/18/2019 18:37:31 : g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] 2019-09-18T18:37:31.159-04:00 error -[7F70E4F01780] [Originator@6876 sub=transport] Mounting VM vm-3395 using transport hotadd failed : Cannot use hotadd transport to mount Virtual Machines with disks that are not SCSI or SATA (adapter type: ide).
09/18/2019 18:37:31 : g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] 2019-09-18T18:37:31.159-04:00 info -[7F70E4F01780] [Originator@6876 sub=transport] Deleted file /tmp/vmware-root/421982d5-a639-25ff-cab8-8d4d6353ba61-vm-3395/hotadd/unmount.dat
09/18/2019 18:37:31 : g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] 2019-09-18T18:37:31.159-04:00 info -[7F70E4F01780] [Originator@6876 sub=transport] Deleted directory /tmp/vmware-root/421982d5-a639-25ff-cab8-8d4d6353ba61-vm-3395/hotadd
09/18/2019 18:37:31 : g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] 2019-09-18T18:37:31.159-04:00 error -[7F70E4F01780] [Originator@6876 sub=transport] Cannot use mode hotadd to access [unity1_ITS_datastore_26] WUSMP111231-4EG/WUSMP111231-4EG.vmdk: Cannot mount using this method. (Mounting VM vm-3395 using transport hotadd failed : Cannot use hotadd transport to mount Virtual Machines with disks that are not SCSI or SATA (adapter type: ide).
09/18/2019 18:37:31 : g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] VixDiskLib: Unable to locate appropriate transport mode to open disk. Error 13 (You do not have access rights to this file) (Mounting VM vm-3395 using transport hotadd failed : Cannot use hotadd transport to mount Virtual Machines with disks that are not SCSI or SATA (adapter type: ide).) at 4559.
09/18/2019 18:37:31 : g_vixInterfaceLogger:libvix.cpp:1797 <DEBUG> : [VFM_ESINFO] VixDiskLib: VixDiskLib_OpenEx: Cannot open disk [unity1_ITS_datastore_26] WUSMP111231-4EG/WUSMP111231-4EG.vmdk. Error 13 (You do not have access rights to this file) (Mounting VM vm-3395 using transport hotadd failed : Cannot use hotadd transport to mount Virtual Machines with disks that are not SCSI or SATA (adapter type: ide).) at 4669.
Cause
Hotadd mode can not be used as a transport mode to backup VMs with IDE Virtual disks.
Solution
Either Change the affected disks to SCSI mode ( this will require a reboot of the virtual machine) or use SAN or NBD transport mode to backup VMs with IDE disks.
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