warning message in 12H

dongming — Fri, 15 Dec 2006 19:02:56 GMT

Hello
we have 12H diskarray with disks size 18G. there was disk failure last time ,and i replaced a 9G disk from other retired array.
and it always display " no hot space message"

today, i find a 18G disk and i simply move the 9G out and replace this 18G disk. the new disk is included, but array display the following message "- Redundancy Loss
- Missing Disk"

do you know how can fix this, many thanks.

arraydsp -a 0000000E99E7

Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
----------------------------------------------------
Array State = WARNING
Server name = hqm1xapd
Array type = 3
Mfg. Product Code = IJMTU00004

--- Disk space usage --------------------
Total physical = 208397 MB *
Allocated to LUNs = 158718 MB *
Used as Active Hot spare = 17366 MB *
Used by non-included disks = 0 MB *
Used for Redundancy = 32313 MB *
Unallocated (avail for LUNs) = 0 MB *
-----------------------------------------

THE FOLLOWING WARNING(S) EXIST:
- Redundancy Loss
- Missing Disk

Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
----------------------------------------------------

LUN 0:
Capacity (MB=2^20) = 31743 MB *
Maximum block addr = 65009664
Block length = 512

LUN 1:
Capacity (MB=2^20) = 31743 MB *
Maximum block addr = 65009664
Block length = 512

LUN 2:
Capacity (MB=2^20) = 31743 MB *
Maximum block addr = 65009664
Block length = 512

LUN 3:
Capacity (MB=2^20) = 31743 MB *
Maximum block addr = 65009664
Block length = 512

LUN 4:
Capacity (MB=2^20) = 31746 MB *
Maximum block addr = 65015808
Block length = 512

Total capacity allocated to LUNs = 158718 MB *

Information for disk in slot A1:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST318275LC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 31BL00001935
Firmware revision = HP03
Drive ID number = FFFFFFFD11000003
Volume set serial no. = 6BF2 1A

Information for disk in slot B1:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 03090000C841
Firmware revision = HP05
Drive ID number = FFFFFFFD 964BA50
Volume set serial no. = 6BF2 1A

Information for disk in slot A2:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 020400001844
Firmware revision = HP05
Drive ID number = FFFFFFFD 9EF5334
Volume set serial no. = 6BF2 1A

Information for disk in slot B2:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 37420000C835
Firmware revision = HP05
Drive ID number = FFFFFFFD 95C51E0
Volume set serial no. = 6BF2 1A

Information for disk in slot A3:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 254100007910
Firmware revision = HP05
Drive ID number = FFFFFFFD 96127E6
Volume set serial no. = 6BF2 1A

Information for disk in slot B3:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 437400007919
Firmware revision = HP05
Drive ID number = FFFFFFFD 9D7A2EF
Volume set serial no. = 6BF2 1A

Information for disk in slot A4:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 162200007916
Firmware revision = HP05
Drive ID number = FFFFFFFD 92174EC
Volume set serial no. = 6BF2 1A
Recovery Maps are on this disk.

Information for disk in slot B4:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 327700001845
Firmware revision = HP11
Drive ID number = FFFFFFFD 9F4B435
Volume set serial no. = 6BF2 1A
Recovery Maps are on this disk.

Information for disk in slot A5:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 345300001844
Firmware revision = HP05
Drive ID number = FFFFFFFD 9E79C34
Volume set serial no. = 6BF2 1A

Information for disk in slot B5:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 964700007912
Firmware revision = HP05
Drive ID number = FFFFFFFD 9B945E8
Volume set serial no. = 6BF2 1A

Information for disk in slot A6:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 874100007909
Firmware revision = HP11
Drive ID number = FFFFFFFD 96127E5
Volume set serial no. = 6BF2 1A

Information for disk in slot B6:
Disk State = INCLUDED
Vendor = SEAGATE
Product ID = ST118273WC
Capacity = 17366 MB *
Max. block addr = 35566479
Block length = 512
Serial number = 606700001842
Firmware revision = HP05
Drive ID number = FFFFFFFD 959EA32
Volume set serial no. = 6BF2 1A

Total capacity of all installed physical disks = 208397 MB *

The following disk is reported MISSING by the controller:
Vendor = SEAGATE
Product ID = ST19171N
Capacity = 8683 MB *
Max. block addr = 17783111
Block length = 512
Serial number = LAE88644
Disk ID number = D64C 6
Volume set serial no. = 6BF2 1A

Information for controller X:
Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
Primary = TRUE
SCSI Address = 1
Serial number = R8C2ADH276081111
Paired serial number = R8C2ADH276341111
Product revision = HP62

Information for controller Y:
Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
Primary = FALSE
SCSI Address = 0
Serial number = R8C2ADH276341111
Paired serial number = R8C2ADH276081111
Product revision = HP62

Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
----------------------------------------------------
Overall State of Array = WARNING
Array configuration:
Active Hot Spare Desired = ENABLED
Auto Include = ENABLED
Auto Rebuild = ENABLED
Rebuild Priority = HIGH
Capacity Depletion Threshold = 0%
Write Working Set Interval = 8640 seconds
Language = ENGLISH
Log Full Warning = DISABLED
Volume Set Partitioning = DISABLED
Format Pattern Fill = DISABLED
Subsystem Type ID = 12
LUN Creation Limit = 8
Maximum LUN Creation Limit = 8
Array SCSI configuration:
Controller X SCSI Address = 1
Controller Y SCSI Address = 0
Write Cache = ENABLED
Read Cache = DISABLED
SCSI Parity Checking = ENABLED
SDTR = ENABLED
WDTR = ENABLED
Terminator Power = ENABLED
Unit Attention = ENABLED
Disable Remote Reset = ENABLED
Secondary Controller Offline = DISABLED
Very Early Busy = DISABLED
Queue Full Threshold = 1952
Maximum Queue Full Threshold = 1952
Simplified Resiliency Setting = Normal
Single Controller Warning = ENABLED
Lock Write Cache On = TRUE
Disable NVRAM on WCE False = FALSE
Disable NVRAM with One Ctrlr = TRUE
Disable NVRAM on UPS absent = FALSE
Force Unit Access Response = 0
Disable Read Hits = FALSE
Resiliency Threshold = 4

Additional Array Information:
The array is REBUILDING and is 75% complete

THE FOLLOWING WARNING(S) EXIST:
- Redundancy Loss
- Missing Disk

Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
----------------------------------------------------
Raid 0/1 blocks = 25947392
Raid 0/1 block length = 512
Raid 0/1 capacity = 12669 MB *

Vendor ID = HP
Product ID = C5447A
Array serial number = 0000000E99E7
----------------------------------------------------
Fan F1 = GOOD
Fan F2 = GOOD
Fan F3 = GOOD
Power supply PS1 = GOOD
Power supply PS2 = GOOD
Power supply PS3 = GOOD

Controller X:
Overall state = GOOD
Battery #0 state = GOOD
Battery #1 state = GOOD
DRAM #0 state = GOOD
NVRAM #0 state = GOOD
NVRAM #1 state = GOOD
Controller Y:
Overall state = GOOD
Battery #0 state = GOOD
Battery #1 state = GOOD
DRAM #0 state = GOOD
NVRAM #0 state = GOOD
NVRAM #1 state = GOOD

Re: warning message in 12H

Robert_Jewell — Fri, 15 Dec 2006 20:16:17 GMT

Your missing disk syndrome is a result of the disk array controller getting confused about what drives are supposed to be in the array. It is usually a result of inserting a disk while the controller is busy with another operation.

The array included the new disk as it normally would, but it thinks the original disk you removed should still be there.

"The following disk is reported MISSING by the controller:
Vendor = SEAGATE
Product ID = ST19171N
Capacity = 8683 MB *
Max. block addr = 17783111
Block length = 512
Serial number = LAE88644
Disk ID number = D64C 6
Volume set serial no. = 6BF2 1A"

What you need to do is try to get this original disk back included in the array. Then once this is done the array should go READY. You can then down the disk using the front panel or the arm commands. Add the 18GB module after that and your array should be back in READY mode with all of the drives intact.

In the end if you cannot get the array to recognize the missing disk you will have to reformat the array, resulting in the need to rebuild your LUNs and data.

When replacing disks in the 12H you should always be patient and allow the controller to finish any rebuild operation before adding a replacement disk.

-Bob

Re: warning message in 12H

dongming — Fri, 15 Dec 2006 21:33:05 GMT

Hi Bob

thanks for response,
right now the 18G disk is included in the array. do i need exclude this one first then put the 9G disk

Re: warning message in 12H

Torsten. — Sat, 16 Dec 2006 10:56:03 GMT

Hi,

at the time of your first post the array was busy and rebuilding:

The array is REBUILDING and is 75% complete

How about the status now? I assume the rebuild is finished.

Re: warning message in 12H

Robert_Jewell — Sat, 16 Dec 2006 16:22:17 GMT

Yes, first allow the rebuild to complete.

Try to exclude the 18gb adn replace it with the 9gb. You will get the same error as you did the first time. Before you down the 9gb, be sure the array rebuild status is complete. Exclude the 9gb, then re-add the 18gb and with your fingers crossed the array should go READY.

-bob

Re: warning message in 12H

dongming — Sun, 17 Dec 2006 12:33:02 GMT

Hello

i didn't do anything, and wait for rebuilding finish, and after that it start balancing automatically , and then everything is fine now, it displays ready.

thanks for everyone.

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