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概要
OS:Redhat7.8
存储:3par8440
1.dmesg检察
报错间隔不定。信息如下- [Wed May 21 05:58:28 2025] blk_update_request: critical target error, dev sdat, sector 0
- [Wed May 21 05:58:28 2025] Buffer I/O error on dev sdat, logical block 0, async page read
- [Wed May 21 09:57:54 2025] scsi_io_completion: 2 callbacks suppressed
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: 2 callbacks suppressed
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sde, sector 0
- [Wed May 21 09:57:54 2025] buffer_io_error: 2 callbacks suppressed
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sde, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sde, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sde, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 4:0:6:256: [sde] tag#0 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sde, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sde, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdae, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdae, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#1 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdae, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdae, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#0 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#0 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 4:0:8:256: [sdae] tag#0 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdae, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdae, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdar, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdar, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdar, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdar, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 1:0:7:256: [sdar] tag#1 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdar, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdar, logical block 0, async page read
- [Wed May 21 09:57:54 2025] sd 1:0:8:256: [sdat] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
- [Wed May 21 09:57:54 2025] sd 1:0:8:256: [sdat] tag#0 Sense Key : Illegal Request [current]
- [Wed May 21 09:57:54 2025] sd 1:0:8:256: [sdat] tag#0 Add. Sense: Invalid command operation code
- [Wed May 21 09:57:54 2025] sd 1:0:8:256: [sdat] tag#0 CDB: Read(6) 08 00 00 00 01 00
- [Wed May 21 09:57:54 2025] blk_update_request: critical target error, dev sdat, sector 0
- [Wed May 21 09:57:54 2025] Buffer I/O error on dev sdat, logical block 0, async page read
复制代码 2.分析报错内容
2.1 报错对象
四个磁盘符如下:
sde
sdae
sdar
sdat
2.2 lsblk检察
有四块512B大小的磁盘分别是:
sde sdae sdar sdat
和上面IO报错是吻合的磁盘符2.3 multipath检察
multipath -ll
没有发现上述四个磁盘在用。
2.4 检查盘健康状态
发现该盘是来自于没有在利用的3par,仅仅只是在3par上加了该主机,根本没有映射VV过来。- [root@redhat ~ ]# smartctl -a /dev/sdae
- smartctl 7.0 2018-12-30 r4883 [x86_64-linux-3.10.0-1127.el7.x86_64] (local build)
- Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org
- === START OF INFORMATION SECTION ===
- Vendor: 3PARdata
- Product: VV
- Revision: 3315
- Compliance: SPC-4
- User Capacity: 512 bytes [512 B]
- Logical block size: 512 bytes
- LU is fully provisioned [LBPRZ=1]
- Logical Unit id: 0x2ff70002ac026bf6
- Serial number: CNXXXQ4N
- Device type: disk
- Transport protocol: Fibre channel (FCP-2)
- Local Time is: Wed May 21 10:27:40 2025 CST
- SMART support is: Available - device has SMART capability.
- SMART support is: Disabled
- Temperature Warning: Disabled or Not Supported
- === START OF READ SMART DATA SECTION ===
- SMART Health Status: OK
- Current Drive Temperature: 0 C
- Drive Trip Temperature: 0 C
- Error Counter logging not supported
- Device does not support Self Test logging
复制代码 2.5 3par检察
发现其主机persona脚色设置为VMware而不是redhat对应的Generic-ALUA,以是虽然没有对应大小的磁盘,但是vmware脚色默认会产生一些校验类似的盘,这些磁盘符是读不了的,但是redhat内核下会不间断去尝试读一下盘检查状态。以是就产生了dmesg内里的报错信息。
而修改主机的persona必要重启系统,不然只是重新扫描scsi磁盘的话这几个512B的盘仍然存在。
而wwn在线的情况下直接修改不了persona。
如果没有盘在挂载的情况下,可以remove主机+create主机的步调。
如果有挂载的情况下,则必要关机+修改persona。- gz2pro3par2 cli% showhost redhat
- Id Name Persona -WWN/iSCSI_Name- Port
- 30 gz1wmsdb1 VMware 51402EC015535970 0:0:2
- 51402EC015535970 1:0:2
- 51402EC0155358A8 1:0:1
- 51402EC0155358A8 0:0:1
复制代码
3.结论
在3par存储上设置脚色一定要设置对应正确的格式,不然会有未知的报错信息。
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