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Checksum errors on multiple disks due to failing SAS adapter

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Category:
fas-systems
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hw
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Applies to

  • FAS2750
  • Advanced Disk Partitioning (ADP)

Issue

  • The following errors are seen:
Tue Nov 29 01:02:21 -0600 [node-01: raidio_thread:raid_rg_scrub_cksum_err_1:notice]: params: {'disk_rpm': '10000', 'vendor':'NETAPP', 'firmware_revision': 'NA03','shelf': '10', 'disk_info': 'Disk /aggr0_node-01/plex0/rg0/0b.10.3P2 Shelf10 Bay 3 [NETAPPX343_SSKBE1T8A10 NA03]S/N [WBNXXXXXXXXX] UID[6000C500:EF4096AF:500A0981:00000002:00000000:00000000:00000000:00000000:00000000:00000000]','site': 'Local', 'bay': '3', 'carrier': '', 'serialno': 'WBNXXXXXXXXX','owner': '', 'model': 'X343_SSKBE1T8A10', 'disk_type': '4', 'blockNum':'2571948'}
 
  • Aggregate scrubs are completing and still recording errors:

Tue Nov 29 01:03:38-0600 [node-01: config_thread: raid.rg.scrub.done:notice]:/aggr0_node-01/plex0/rg0:scrub completed in 3:38.00
Tue Nov 29 01:03:38 -0600 [node-01: config_thread:raid.rg.scrub.summary.pi:notice]: Scrub found 0 parity inconsistencies in/aggr0_node-01/plex0/rg0.
Tue Nov 29 01:03:38 -0600 [node-01: config_thread:raid.rg.scrub.summary.cksum:notice]: Scrub found 4 checksum errors in/aggr0_node-01/plex0/rg0.
Tue Nov 29 01:03:38 -0600 [node-01: config_thread:raid.rg.scrub.summary.media:notice]: Scrub found 0 media errors in/aggr0_node-01/plex0/rg0.
Tue Nov 29 01:03:38 -0600 [node-01: config_thread:raid.rg.scrub.summary.lw:notice]: Scrub found 0 RAID write signatureinconsistencies in /aggr0_node-01/plex0/rg0.

 
  • No hardware errors seen on the drives
  • All errors are reporting on the aggregates owned by one node

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