Hi,
we have a site that's now seen two drives already failed . The site has 3 hot spare standby drives but the spares didn't kick in to replace the failed drives. we don't understand why not. Could the community help check and provide some explanation?
DRIVES ------------------------------
SUMMARY
Number of drives: 24
Current media type(s): Hard Disk Drive (24)
Current interface type(s): Serial Attached SCSI (SAS) (24)
Drive capabilities: Data Assurance (DA) (24)
BASIC:
TRAY, SLOT STATUS CAPACITY MEDIA TYPE INTERFACE TYPE CURRENT DATA RATE PRODUCT ID FIRMWARE VERSION CAPABILITIES
0, 1 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 2 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 3 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 4 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 5 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 6 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 7 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 8 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 9 Failed 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 10 Failed 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 11 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps ST600MM0088 MS01 DA
0, 12 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 13 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 14 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 15 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 16 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 17 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps ST600MM0088 MS00 DA
0, 18 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 19 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 20 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 21 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 22 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 23 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
0, 24 Optimal 558.912 GB Hard Disk Drive SAS 6 Gbps HUC109060CSS600 MS07 DA
DRIVE CHANNELS (Controller A):
TRAY, SLOT PREFERRED CHANNEL REDUNDANT CHANNEL
0, 1 1 2
0, 2 2 1
0, 3 1 2
0, 4 2 1
0, 5 1 2
0, 6 2 1
0, 7 1 2
0, 8 2 1
0, 9 1 2
0, 10 2 1
0, 11 1 2
0, 12 2 1
0, 13 1 2
0, 14 2 1
0, 15 1 2
0, 16 2 1
0, 17 1 2
0, 18 2 1
0, 19 1 2
0, 20 2 1
0, 21 1 2
0, 22 2 1
0, 23 1 2
0, 24 2 1
HOT SPARE COVERAGE:
The following volume groups are not protected: None - All volume groups are protected
Total hot spare drives: 3
Standby: 3
In use: 0
Standby drive at tray 0, slot 23 (SAS, 558.912 GB)
Protects the following volume groups: ld00, ld01, ld02
Standby drive at tray 0, slot 24 (SAS, 558.912 GB)
Protects the following volume groups: ld00, ld01, ld02
Standby drive at tray 0, slot 22 (SAS, 558.912 GB)
Protects the following volume groups: ld00, ld01, ld02
DETAILS
Drive at Tray 0, Slot 1
Status: Optimal
Mode: Assigned
Raw capacity: 558.912 GB
Usable capacity: 558.412 GB
World-wide identifier: 50:00:cc:a0:56:c2:1e:28:00:00:00:00:00:00:00:00
Associated volume group: ld00
Port Channel
0 1
1 2
Media type: Hard Disk Drive
Interface type: Serial Attached SCSI (SAS)
Drive path redundancy: OK
Drive capabilities: Data Assurance (DA)
Security capable: No
Secure: No
Read/write accessible: Yes
Drive security key identifier: Not Applicable
Data Assurance (DA) capable: Yes
Speed: 10,020 RPM
Current data rate: 6 Gbps
Logical sector size: 512 bytes
Physical sector size: 512 bytes
Product ID: HUC109060CSS600
Drive firmware version: MS07
Serial number: KWKESHDX
Manufacturer: HITACHI
Date of manufacture: Not Available
...
Drive at Tray 0, Slot 9
Status: Failed
Mode: Assigned
Raw capacity: 558.912 GB
Usable capacity: 558.412 GB
World-wide identifier: 50:00:cc:a0:56:c3:27:14:00:00:00:00:00:00:00:00
Associated volume group: ld01
Port Channel
0 1
1 2
Media type: Hard Disk Drive
Interface type: Serial Attached SCSI (SAS)
Drive path redundancy: OK
Drive capabilities: Data Assurance (DA)
Security capable: No
Secure: No
Read/write accessible: Yes
Drive security key identifier: Not Applicable
Data Assurance (DA) capable: Yes
Speed: 10,020 RPM
Current data rate: 6 Gbps
Logical sector size: 512 bytes
Physical sector size: 512 bytes
Product ID: HUC109060CSS600
Drive firmware version: MS07
Serial number: KWKGA4AX
Manufacturer: HITACHI
Date of manufacture: Not Available
Drive at Tray 0, Slot 10
Status: Failed
Mode: Assigned
Raw capacity: 558.912 GB
Usable capacity: 558.412 GB
World-wide identifier: 50:00:cc:a0:56:c2:dc:c0:00:00:00:00:00:00:00:00
Associated volume group: ld01
Port Channel
0 2
1 1
Media type: Hard Disk Drive
Interface type: Serial Attached SCSI (SAS)
Drive path redundancy: OK
Drive capabilities: Data Assurance (DA)
Security capable: No
Secure: No
Read/write accessible: Yes
Drive security key identifier: Not Applicable
Data Assurance (DA) capable: Yes
Speed: 10,020 RPM
Current data rate: 6 Gbps
Logical sector size: 512 bytes
Physical sector size: 512 bytes
Product ID: HUC109060CSS600
Drive firmware version: MS07
Serial number: KWKG55WX
Manufacturer: HITACHI
Date of manufacture: Not Available
...
Drive at Tray 0, Slot 22
Status: Optimal
Mode: Hot spare standby
Raw capacity: 558.912 GB
Usable capacity: 558.412 GB
World-wide identifier: 50:00:cc:a0:56:c2:8f:08:00:00:00:00:00:00:00:00
Port Channel
0 2
1 1
Media type: Hard Disk Drive
Interface type: Serial Attached SCSI (SAS)
Drive path redundancy: OK
Drive capabilities: Data Assurance (DA)
Security capable: No
Secure: No
Read/write accessible: Yes
Drive security key identifier: Not Applicable
Data Assurance (DA) capable: Yes
Speed: 10,020 RPM
Current data rate: 6 Gbps
Logical sector size: 512 bytes
Physical sector size: 512 bytes
Product ID: HUC109060CSS600
Drive firmware version: MS07
Serial number: KWKG00EX
Manufacturer: HITACHI
Date of manufacture: Not Available
Drive at Tray 0, Slot 23
Status: Optimal
Mode: Hot spare standby
Raw capacity: 558.912 GB
Usable capacity: 558.412 GB
World-wide identifier: 50:00:cc:a0:56:c2:6b:08:00:00:00:00:00:00:00:00
Port Channel
0 1
1 2
Media type: Hard Disk Drive
Interface type: Serial Attached SCSI (SAS)
Drive path redundancy: OK
Drive capabilities: Data Assurance (DA)
Security capable: No
Secure: No
Read/write accessible: Yes
Drive security key identifier: Not Applicable
Data Assurance (DA) capable: Yes
Speed: 10,020 RPM
Current data rate: 6 Gbps
Logical sector size: 512 bytes
Physical sector size: 512 bytes
Product ID: HUC109060CSS600
Drive firmware version: MS07
Serial number: KWKEXM3X
Manufacturer: HITACHI
Date of manufacture: Not Available
Drive at Tray 0, Slot 24
Status: Optimal
Mode: Hot spare standby
Raw capacity: 558.912 GB
Usable capacity: 558.412 GB
World-wide identifier: 50:00:cc:a0:56:c2:7c:80:00:00:00:00:00:00:00:00
Port Channel
0 2
1 1
Media type: Hard Disk Drive
Interface type: Serial Attached SCSI (SAS)
Drive path redundancy: OK
Drive capabilities: Data Assurance (DA)
Security capable: No
Secure: No
Read/write accessible: Yes
Drive security key identifier: Not Applicable
Data Assurance (DA) capable: Yes
Speed: 10,020 RPM
Current data rate: 6 Gbps
Logical sector size: 512 bytes
Physical sector size: 512 bytes
Product ID: HUC109060CSS600
Drive firmware version: MS07
Serial number: KWKEYT5X
Manufacturer: HITACHI
Date of manufacture: Not Available
DRIVE CHANNELS----------------------------
SUMMARY
CHANNEL PORT TYPE CTRL A LINK STATUS CTRL B LINK STATUS
1 Internal Up Up
2 Internal Up Up
DETAILS
DRIVE CHANNEL 1
Port: 1
Port Type: Internal
Access Path: 1
Max. Rate: 6 Gbps
Current Rate:
Controller A : 6 Gbps
Controller B : 6 Gbps
Link Status:
Controller A : Up
Controller B : Up
Rate Control: Switched
DRIVE COUNTS
Total number of attached drives: 24
Connected to: Controller A
Attached drives: 24
Drive tray: 0 (24 drives)
CUMULATIVE ERROR COUNTS
Controller A
Baseline time set: 9/11/25 12:48:01 PM
Sample period (hh:mm:ss): 00:21:45
Controller detected errors: 3
Drive detected errors: 34
Timeout errors: 0
Total I/O count: 27988
Controller B
Baseline time set: 9/11/25 1:00:40 PM
Sample period (hh:mm:ss): 00:09:06
Controller detected errors: 1
Drive detected errors: 13
Timeout errors: 0
Total I/O count: 14825
DRIVE CHANNEL 2
Port: 1
Port Type: Internal
Access Path: 1
Max. Rate: 6 Gbps
Current Rate:
Controller A : 6 Gbps
Controller B : 6 Gbps
Link Status:
Controller A : Up
Controller B : Up
Rate Control: Switched
DRIVE COUNTS
Total number of attached drives: 24
Connected to: Controller B
Attached drives: 24
Drive tray: 0 (24 drives)
CUMULATIVE ERROR COUNTS
Controller A
Baseline time set: 9/11/25 12:48:01 PM
Sample period (hh:mm:ss): 00:21:45
Controller detected errors: 159
Drive detected errors: 24
Timeout errors: 0
Total I/O count: 27620
Controller B
Baseline time set: 9/11/25 1:00:40 PM
Sample period (hh:mm:ss): 00:09:06
Controller detected errors: 1
Drive detected errors: 23
Timeout errors: 0
Total I/O count: 14794
