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[Bug 874055] New: SRP fails to add targets correctly
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 16 Apr 2014 20:43:06 +0000
  • Message-id: <bug-874055-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=874055

https://bugzilla.novell.com/show_bug.cgi?id=874055#c0


Summary: SRP fails to add targets correctly
Classification: openSUSE
Product: openSUSE 13.1
Version: Final
Platform: Other
OS/Version: SLES 12
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Basesystem
AssignedTo: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: garrett.marks@xxxxxxxxxx
QAContact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---


User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:28.0) Gecko/20100101
Firefox/28.0

When Infiniband is configured to use SRP, the system fails to properly add the
storage targets to the system. Messages like the following are logged to
syslog.

2014-04-16T15:32:06.780071-05:00 linux kernel: [11496.854650] ib_srp: unknown
parameter or missing value 'tl_retry_count=2' in target creation request
2014-04-16T15:32:06.788032-05:00 linux kernel: [11496.864952] ib_srp: unknown
parameter or missing value 'tl_retry_count=2' in target creation request
2014-04-16T15:32:06.800089-05:00 linux kernel: [11496.874975] ib_srp: unknown
parameter or missing value 'tl_retry_count=2' in target creation request

Reproducible: Always

Steps to Reproduce:
1. Install SLES 12 on a host with Mellanox IB adapters
2. Configure IB to use SRP and make sure IB-SRP based storage is attached.
3. Map LUNs to the host
4. Reboot or rescan the scsi bus
Actual Results:
The host does not see any of the LUNs because SRP is failing to add the
targets. Messages like the following are found in the host's messages file.

2014-04-16T15:38:31.164032-05:00 linux kernel: [11881.240310] ib_srp: unknown
parameter or missing value 'tl_retry_count=2' in target creation request

Expected Results:
SRP should properly add the targets so the system can access the storage LUNs.

The problem is with the automatic addition of targets, I presume with
srp_daemon. I can successfully add targets manually using the output of
ibsrpdm -c and echoing that output to the
/sys/class/infiniband_srp/srp-<hca-port>/add_target file.

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