This should be an old story, but it happened just couple weeks ago. System is as in the topic, with two disks in RAID1, one day one of the disks fell off. I ordered new disks for future use and continued work.
Couple of days after a failure, I looked on HP ACU and I wasn't happy. It said:
Code 730 146GB 1-Port SAS Drive at Port 1I: Box 1 Bay 2 is a part of a logical drive that is not supported by the current configuration. Any configuration command (e.g. logical drive creation, array expansion, etc.) or modification to the controller will result in the loss of all existing data on the disabled logical drive(s).
Does that mean that on that "new" disk was something else? Was that owerwritten by a RAID rebuild?
Short after that (week and a half) second disk failed. I looked in the ILO and there was another information in Integrated Management Log:
POST Error: 1786-Drive Array Recovery Needed POST Error: 1747-Slot X Drive Array - Unsupported Array Configuration Detected - More logical drive(s) configured than this controller model can support. All logical drive(s) have been disabled.
What does that actually mean? System was not restarted since then. I would be glad if someone explained. Guess it is time to change that ol' scrap, but ...you know. Beer is on me ;-)
edit: heres the config:
=> controller all show config detail
Smart Array P410i in Slot 0 (Embedded)
Bus Interface: PCI
Slot: 0
Serial Number: 5001438010F6B050
RAID 6 (ADG) Status: Disabled
Controller Status: OK
Chassis Slot:
Hardware Revision: Rev C
Firmware Version: 3.66
Rebuild Priority: Medium
Expand Priority: Medium
Surface Scan Delay: 15 secs
Surface Scan Mode: Idle
Wait for Cache Room: Disabled
Surface Analysis Inconsistency Notification: Disabled
Post Prompt Timeout: 0 secs
Cache Board Present: False
Drive Write Cache: Disabled
SATA NCQ Supported: True
Array: A
Interface Type: SAS
Unused Space: 0 MB
Status: OK
Logical Drive: 1
Size: 136.7 GB
Fault Tolerance: RAID 1
Heads: 255
Sectors Per Track: 32
Cylinders: 35132
Strip Size: 256 KB
Status: Recovering, 85% complete
Unique Identifier: 600508B1001CB31FAB7C625ADD2A839B
Disk Name: \\.\PhysicalDrive0
Mount Points: Unknown 100 MB, C:\ 100.0 GB
Logical Drive Label: A0020CBA5001438010F6B050AA69
Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 146 GB, Rebuilding)
Mirror Group 1:
physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SAS, 146 GB, OK)
physicaldrive 1I:1:1
Port: 1I
Box: 1
Bay: 1
Status: Rebuilding
Drive Type: Data Drive
Interface Type: SAS
Size: 146 GB
Rotational Speed: 10000
Firmware Revision: HPD2
Serial Number: PCVBYM3E
Model: HP DG0146FARVU
PHY Count: 1
PHY Transfer Rate: 6.0GBPS
physicaldrive 1I:1:2
Port: 1I
Box: 1
Bay: 2
Status: OK
Drive Type: Data Drive
Interface Type: SAS
Size: 146 GB
Rotational Speed: 10000
Firmware Revision: HPD2
Serial Number: PCVENBPE
Model: HP DG0146FARVU
PHY Count: 1
PHY Transfer Rate: 6.0GBPS
This physical drive is part of a logical drive that is not supported by the current configuration. Any configuration command (e.g. logical drive creation, array expansion, etc.) or modification to the controller will result in the loss of all existing data on the disabled logical drive(s).
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