Repeated SCSI host resets seen in logs after SAN issues

Solution Unverified - Updated -

Issue

  • Repeated SCSI host resets seen in logs after SAN issues:
lpfc 0006:01:00.0: 4:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.0: 4:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.1: 5:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.1: 5:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.0: 4:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.0: 4:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.1: 5:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.1: 5:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.0: 4:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.0: 4:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.1: 5:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.1: 5:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.0: 4:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.1: 5:(0):3172 SCSI layer issued Host Reset Data:
lpfc 0006:01:00.0: 4:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.1: 5:1303 Link Up Event x1 received Data: x1 x0 x80 x0 x0 x0 0
lpfc 0006:01:00.0: 4:(0):3172 SCSI layer issued Host Reset Data:
  • The initial reset is warranted due to error handling, but the subsequent, repeating resets are unneeded. Also, the issue is not specific to the lpfc driver, but rather SCSI hosts in general. So, it could happen on other drivers.

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content