I am on fedora 40 with
Linux e7.eyal.emu.id.au 6.13.5-100.fc40.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Feb 27 15:10:07 UTC 2025 x86_64 GNU/Linux
It seems that there was an issue with a disk [sdg] which is part of a 7-disk raid6. OK. See messages at the bottom.
I want to know what those mpt2sas_cm0 messages are.
I think that they come from the raid controller (LSI SAS9211 8i, in non-raid mode).
Q) I see 9 messages, then 9 I/O errors. Are the two numbers related?
After the errors I note that smart shows:
5 Reallocated_Sector_Ct PO--CK 100 100 010 - 48
187 Reported_Uncorrect -O--CK 099 099 000 - 1
These are new (were 0).
BTW, at this time (5:10AM) my system collects some stats which include "mdadm --misc --{query,detail,examine}".
Q) May this be related?
Q) Noting the very low sector numbers, I wonder which area they are in (see --examine below).
You then can see a single such message later at night without any I/O error. smart attributes did not change then.
Looking at the system log I can see such messages from time to time.
Q) Do these messages indicate that the controller encountered a problem which it resolved?
Q) I saw no md messages, so I assumed that they never propagated to this layer.
TIA,
Eyal
================== supporting info ================
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2889 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2889 CDB: Read(16) 88 00 00 00 00 00 00 00 24 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 9224 op 0x0:(READ) flags 0x80700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2890 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2890 CDB: Read(16) 88 00 00 00 00 00 00 00 28 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 10248 op 0x0:(READ) flags 0x84700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2891 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2891 CDB: Read(16) 88 00 00 00 00 00 00 00 2c 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 11272 op 0x0:(READ) flags 0x80700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2892 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2892 CDB: Read(16) 88 00 00 00 00 00 00 00 30 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 12296 op 0x0:(READ) flags 0x84700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2893 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2893 CDB: Read(16) 88 00 00 00 00 00 00 00 34 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 13320 op 0x0:(READ) flags 0x80700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2894 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2894 CDB: Read(16) 88 00 00 00 00 00 00 00 38 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 14344 op 0x0:(READ) flags 0x84700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2895 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2895 CDB: Read(16) 88 00 00 00 00 00 00 00 3c 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 15368 op 0x0:(READ) flags 0x80700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2896 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2896 CDB: Read(16) 88 00 00 00 00 00 00 00 40 08 00 00 04 00 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 16392 op 0x0:(READ) flags 0x84700 phys_seg 128 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2897 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2897 CDB: Read(16) 88 00 00 00 00 00 00 00 44 08 00 00 02 18 00 00
2025-03-06T05:10:10+11:00 kernel: I/O error, dev sdg, sector 17416 op 0x0:(READ) flags 0x80700 phys_seg 67 prio class 2
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2888 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=6s
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2888 Sense Key : Medium Error [current]
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2888 Add. Sense: Unrecovered read error
2025-03-06T05:10:10+11:00 kernel: sd 6:0:5:0: [sdg] tag#2888 CDB: Read(16) 88 00 00 00 00 00 00 00 20 08 00 00 04 00 00 00
2025-03-06T22:53:50+11:00 kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
$ sudo mdadm --misc --examine /dev/sdg1
/dev/sdg1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x1
Array UUID : 15d250cf:fe43eafb:5779f3d8:7e79affc
Name : e4.eyal.emu.id.au:127
Creation Time : Fri Oct 26 17:24:59 2018
Raid Level : raid6
Raid Devices : 7
Avail Dev Size : 23437504512 sectors (10.91 TiB 12.00 TB)
Array Size : 58593761280 KiB (54.57 TiB 60.00 TB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262064 sectors, after=0 sectors
State : clean
Device UUID : b1732c74:a34e121d:8347018e:c42b5085
Internal Bitmap : 8 sectors from superblock
Update Time : Fri Mar 7 10:19:13 2025
Bad Block Log : 512 entries available at offset 56 sectors
Checksum : f201a5c9 - correct
Events : 5156938
Layout : left-symmetric
Chunk Size : 512K
Device Role : Active device 5
Array State : AAAAAAA ('A' == active, '.' == missing, 'R' == replacing)
--
Eyal at Home (eyal@xxxxxxxxxxxxxx)
