Skip to main content
NetApp Stage KB

MetroCluster IP - DISK SCRUB PARITY INCONSISTENCY

Views:
Visibility:
Public
Votes:
0
Category:
metrocluster
Specialty:
MetroCluster
Last Updated:

 

Applies to

  • MetroCluster IP
  • ONTAP 9

Issue

  • RAID scrubs find RAID write signature inconsistencies
  • Just prior to the write signature inconsistencies errors are reported against a single disk:
    • Thu Feb 24 01:09:21 +0100 [ClusterA-01: scsi_cmdblk_strthr_admin: scsi.cmd.checkCondition:error]: Disk device 0m.i2.3L16: Check Condition: CDB 0x28:02ea9c00:0200: Sense Data SCSI:recovered error -  (0x1 - 0x17 0x6 0x0)(1313).
    • Thu Feb 24 01:40:46 +0100 [ClusterA-01: disk_server_0: disk.ioMediumError:notice]: Medium error on disk 0m.i2.3L16: op 0x28:0bd0c600:0200 sector 198231552 SCSI:medium error - Unrecovered read error - If the disk is in a RAID group, the subsystem will attempt to reconstruct unreadable data (3 11 1 0) (1340) Disk 0m.i2.3L16 Shelf 10 Bay 16 [NETAPP   X342_TA15E1T2A10 NA01] S/N [000000000000]
  • The disk has a high glist counter that is increasing:

ClusterA::> storage show disk -a
...

Disk: 0m.i2.3L16
Shelf: 10 
Bay: 16
Serial: 000000000000
Vendor: NETAPP  
Model: X342_TA15E1T2A10
Rev: NA01
RPM: 10000
WWN: 0:000:000000:000000
UID: 00000000:00000000:...
Downrev: no
Pri Port: A
Sec Name: 0m.i2.3L16
Sec Port: A
Power-on Hours: 10001
Blocks read:      295795042831
Blocks written:   4682443306
Time interval: 355:03:24
Glist count: 376
Scrub last done: 40:19:24
Scrub count: 6
Dynamically qualified: No
Power cycle count: 0
Power cycle on error: 0
Current owner: 000000000
Home owner: 000000000
Reservation owner: 000000000

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.
d0a7c793-27a8-407b-8209-edca43c9b500