Host-side SCSI Timeouts when using iSCSI

Applies to

• ONTAP 9 
• Data ONTAP 8 7-Mode 
• SAN 
• FlexPod 

Issue

Why is the storage system generating iSCSI LUN Reset/Target Warm Reset/New session messages?

• Error message:

[iscsi.notice:notice]: ISCSI: iswta, LUN Reset (from initiator iqn.1991-05.com.microsoft:exch), aborting all SCSI commands on lun 0

• Windows System Event Log error message:

iScsiPrt Information None 34 N/A SOUTHPOINT
A connection to the target was lost, but Initiator successfully reconnected to the target. Dump data contains the target name.

• Windows System Event Log error message:

iScsiPrt Error None 9 N/A SOUTHPOINT
Target did not respond in time for a SCSI request. The CDB is given in the dump data.

• Windows System Event Log error message:

iScsiPrt Error None 39 N/A SOUTHPOINT
Initiator sent a task management command to reset the target.
The target name is given in the dump data.