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When using SAN transport mode, backup of a VMware virtual machine may report unable to copy the virtual machine disk

Created: 24 Jan 2011 • Updated: 09 May 2011 | 1 comment
DanielBickford's picture
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Me Too!I have the same issue
Product(s): Backup Exec
Severity: Minor functionality
Status: Investigating/gathering information
Tech Note: More Information

When using SAN transport mode, backup of a VMware virtual machine may report the following error:

V-79-57344-38264 - Unable to copy the virtual machine disk using the VMwareVixDiskLib. VixDiskLib_Read() reported the error: One of the parameters supplied is invalid


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rbailey's picture

For me, this error occurs well into the backup (almost at the end).  Also, I have seen several instances where when the backup is going slowly for whatever reason (sub 2000MB/min), the job will complete successfully, however when it is going fast it will produce this error. 

Here is what it looks like from my end:


BKUPEXEC: [03/07/11 00:36:14] [0026]     [Debug] VSN is a MODIFY
BKUPEXEC: [03/07/11 00:36:14] [0026]     [Debug] VSN added to queues
BEREMOTE: [03/07/11 00:36:17] [5020]     [fsys\shared]        - VDDK-Log: SAN: I/O Operation failed
BEREMOTE: [03/07/11 00:36:17] [5020]     [fsys\shared]        - VDDK-Log: DISKLIB-LIB   : RWv failed ioId: #427646 (4096062) (62) .
BEREMOTE: [03/07/11 00:36:17] [5020]     [fsys\vmvcb]         - VM_VCBPROXY_FS::ReadObj() Could not read the disk '[SANVMsDiskBig] zzz/zzz.vmdk' start Sector: '4605286', Num of sectors: '124' Error Text: 'One of the parameters supplied is invalid' Error: '17592452332404352'
BEREMOTE: [03/07/11 00:36:17] [5020]     [ndmp\loops]         - LP_ENV::MsgError: error 0xe0009578 processing object zzz\zzz.vmdk
BECAT:    [03/07/11 00:36:17] [3476]     BlockBad...
BKUPEXEC: [03/07/11 00:36:19] [0026]     [Info] VSN received: type = ACTJOBEX_UPDATE

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