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NS224 磁盘架中的 NVMe I/O 超时和 SCSI 错误

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NS224 磁盘架

问题

  • 从虚拟机主机检测到一致性点延迟问题和 SCSI 错误。
  • 带有超时的 EMS 消息: 
Thu Dec 03 20:51:03 CET [node_name: intr: nvmeof.timeout:notice]: Timeout on subnqn nqn.2014-08.org.nvmexpress.discovery, controller ID 5, qpair ID 0, sequence number 45417.
Thu Dec 03 20:51:03 CET [node_name: intr: nvmeof.rdma.disconnect.status:notice]: NVMe-oF disconnect on subnqn nqn.2014-08.org.nvmexpress.discovery, controller ID 5, qpair ID 0.
  • 控制器到磁盘架端口的 ifstat 输出中的 NVMe 高计数器。

-- interface  e0c  (53 days, 23 hours, 58 minutes, 41 seconds) --
    RECEIVE
     Total frames:   11625k | Frames/second:     2  | Total bytes:    5312m
     Bytes/second:    1139  | Total errors:     0  | Errors/minute:     0
    Total discards:  1789k | Discards/minute:   23  | Multi/broadcast:  4969k
     Non-primary u/c:    0  | CRC errors:      0  | Runt frames:      0
     Fragment:       0  | Long frames:      0  | Jabber:        0
     Length errors:     0  | Alignment errors:   0  | No buffer:       0
     Pause:         0  | Jumbo:       25792m | Error symbol:     0
    Bus overruns:   1789k | Queue drops:      0  | LRO segments:     0
     LRO bytes:       0  | LRO6 segments:   6520k | LRO6 bytes:     4178m
     Bad UDP cksum:     0  | Bad UDP6 cksum:    0  | Bad TCP cksum:     0
     Bad TCP6 cksum:    0  | Mcast v6 solicit: 1552k
    TRANSMIT
     Total frames:   10504k | Frames/second:     2  | Total bytes:    1081m
     Bytes/second:    232  | Total errors:     0  | Errors/minute:     0
     Total discards:    0  | Queue overflow:    0  | Multi/broadcast:  3259k
    Pause:       471k | Jumbo:       29818m | Cfg Up to Downs:    2
     TSO segments:     0  | TSO bytes:       0  | TSO6 segments:     0
     TSO6 bytes:      0  | HW UDP cksums:     0  | HW UDP6 cksums:   3104k

 

 

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