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  1. Lustre
  2. LU-9552

lustre uses multipath devices I/O errors

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Details

    • Bug
    • Resolution: Duplicate
    • Critical
    • None
    • Lustre 2.7.0
    • CentOS Linux release 7.3.1611 (Core),OFED.3.4.2.0.0.1,lustre-2.7.19.8,Mellanox Technologies MT27500 Family

    Description

      When the lustre servers have OST configured with multipath devices, there are I/O errors that can lead to a server crash.
      The following error appears in the system log:
      Mar 31 00:02:44 oss01 kernel: blk_cloned_rq_check_limits: over max size limit.
      Mar 31 00:02:44 oss01 kernel: device-mapper: multipath: Failing path 8:160.

      Followed by several I/O errors
      Mar 31 00:17:30 oss01 kernel: blk_update_request: I/O error, dev dm-17, sector 1182279680
      Mar 31 00:17:30 oss01 kernel: blk_update_request: I/O error, dev dm-17, sector 1182291968
      Mar 31 00:17:30 oss01 kernel: blk_update_request: I/O error, dev dm-17, sector 1182267392
      Mar 31 00:17:30 oss01 kernel: blk_update_request: I/O error, dev dm-17, sector 1182304256
      Mar 30 21:04:22 oss01 kernel: LDISKFS-fs (dm-17): Remounting filesystem read-only

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              wc-triage WC Triage
              haogz@paratera.com haoguozhen (Inactive)
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                Updated:
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