FabricPool LINUX SAN主机修复

适用场景

• ONTAP FabricPool
• Linux
  • RHEL
  • SLES
  • Oracle Linux
  • Ubuntu
  • CentOS等
• 文件系统
  • ext3
  • 扩展4
  • XFS
  • BTRFS等

问题描述

• 在ONTAP FabricPool S3分层中断期间、 Linux 可能会报告：
  • I/O故障、
  • 只读文件系统、
  •  主机崩溃等
• Linux日志将此错误记录为中等错误。
• 来自Linux的错误消息示例：

Linex FS已降级

2023-07-03T17:29:18.275679+00:00 localhost kernel: [92870.466696][ C19] sd 11:0:1:0: [sdc] tag#1261 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s

2023-07-03T17:29:18.275718+00:00 localhost kernel: [92870.466713][ C19] sd 11:0:1:0: [sdc] tag#1261 Sense Key : Medium Error [current]

2023-07-03T17:29:18.275722+00:00 localhost kernel: [92870.466720][ C19] sd 11:0:1:0: [sdc] tag#1261 Add. Sense: Unrecovered read error - recommend rewrite the data

2023-07-03T17:29:18.275724+00:00 localhost kernel: [92870.466727][ C19] sd 11:0:1:0: [sdc] tag#1261 CDB: Read(10) 28 00 00 5a 01 b8 00 00 20 00

2023-07-03T17:29:18.275725+00:00 localhost kernel: [92870.466732][ C19] blk_update_request: critical medium error, dev sdc, sector 5898680 op 0x0:(READ) flags 0x84700 phys_seg 4 prio class 0

2023-07-03T17:29:18.275728+00:00 localhost kernel: [92870.466751][ C19] blk_update_request: critical medium error, dev dm-3, sector 5898680 op 0x0:(READ) flags 0x80700 phys_seg 4 prio class 0