Disk redundancy failed error and wrong SAS speed in a disk bay
Applies to
Internal shelf in controller chassis
Issue
- Disk bypassed by one path.
- Storage Fault Show example:
Enclosure Status: non-criticalChannel: 0aShelf: 0Shelf Type: DS212-12Product Serial Number: SHFHU0123456789Module Type: IOM12EDisk Elements:Element Status Status Bytes Status Descriptions0 [Bay 0]: OK 01,00,00,001 [Bay 1]: OK 01,01,00,002 [Bay 2]: OK 01,02,00,003 [Bay 3]: OK 01,03,00,004 [Bay 4]: NONCRITICAL 03,04,10,04 ENCLOSURE BYPASSED B, BYPASSED B- Missing disk 0b.00.4:
*> disk_list
DISK CHAN VENDOR PRODUCT ID REV SERIAL# HW (BLOCKS BPS) DQ
------------ ----- -------- ---------------- ---- -------------------- -- -------------- --
0b.00.3 SA:B NETAPP X336_TTCRE04TA07 NA03 012345678910 ff 7814037168 520 N
0b.00.7 SA:B NETAPP X336_TTCRE04TA07 NA03 012345678911 ff 7814037168 520 N
...
- A reseat/replace doesn't fix the issue:
Mon Feb 01 23:01:05 +0100 [node_name: dmgr_thread: raid.disk.inserted:info]: Disk 0a.00.4 Shelf 0 Bay 4 [NETAPP X336_SMBPE04TA07 NA00] S/N [01234567] UID [5000C500:B716BB57:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] has been inserted into the system
Tue Feb 02 14:34:30 +0100 [node_name: dsa_worker0: ds.sas.drivephy.disableErr:error]: Disk [NETAPP :X336_HAKPE04TA07:NA00] S/N [01234567] on channels 0b shelf ID 0 IOM B bay 4 disabled due to excessive invalid dword error.
- Disk shows invalid words in that path:
Shelf name: 0b.shelf0
Shelf id: 0
Channel: 0b
Module: B
Shelf UID: 50:aa:a:aa:aa:aa:aa:aa
Shelf S/N: SHFHU0123456789
Term switch: N/A
Shelf state: ONLINE
Module state: OK
Partial Path Link Invalid Running Loss Phy CRC Phy
Disk Port Timeout Rate DWord Disparity Dword Reset Error Change
Id State Value (ms) (Gb/s) Count Count Count Problem Count Count
--------------------------------------------------------------------------------------------
...
[ 4 ] DIS/INVWD 7 NA 1454 1175 0 0 0 5
- The speed in that bay is wrong:
Shelf name: 0a.shelf0
Shelf id: 0
Channel: 0a
Module: B
Shelf UID: 50:aa:aa:aa:aa:aa:aa:aa
Shelf S/N: SHFHU0123456789
Term switch: N/A
Shelf state: ONLINE
Module state: OK
Partial Path Link Invalid Running Loss Phy CRC Phy
Disk Port Timeout Rate DWord Disparity Dword Reset Error Change
Id State Value (ms) (Gb/s) Count Count Count Problem Count Count
--------------------------------------------------------------------------------------------
...
[ 3 ] OK 7 12.0 0 0 0 0 0 1
[ 4 ] OK 7 1.5 0 0 0 0 0 6
[ 5 ] OK 7 12.0 0 0 0 0 0 1
...