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06-30-2015 06:50 AM
06-30-2015 06:50 AM
776 (Ready for Recovery) and 785 (Parity initial. in progress) on two logical drives
Hi,
We have : Smart Array P600 Controller
In RAID 5 configuration, one disk had malfunction - ADU predicted that disk will fail, so we replaced that disk.
Rebuld was started ok, and reached 90%, but after that when we returned to ACU we have two errors:
776
(Ready for Recovery) Logical Drive 3 (2.0 TB, RAID 5) is queued for rebuilding.
785
Background parity initialization is currently queued or in progress on Logical Drive 2 (5.0 GB, RAID 5). If background parity initialization is queued, it will start when I/O is performed on the drive. When background parity initialization completes, the performance of the logical drive will improve.
Situations with drives are:
Logical drive 3 (2 TB, RAID 5):
Status
Ready for Rebuild
Rebuild Percentage Complete
0%
Drive Number
3
Drive Unique ID
600508B1001038373320202020200008
Size
2097151 MB
Fault Tolerance
RAID 5
Heads
255
Sectors/Track
32
Cylinders
65535
Strip Size
64 KB
Full Stripe Size
320 KB
Array Accelerator
Enabled
Parity Initialization Status
Initialization Completed
Disk Name
\\.\PhysicalDrive2
Logical drive 2 (5 GB, RAID 5)
Status
OK
Drive Number
2
Drive Unique ID
600508B1001038373320202020200007
Size
5119 MB
Fault Tolerance
RAID 5
Heads
255
Sectors/Track
32
Cylinders
1285
Strip Size
64 KB
Full Stripe Size
320 KB
Array Accelerator
Enabled
Parity Initialization Status
In Progress
Disk Name
\\.\PhysicalDrive1
Disk Partition Information
Partition Number: 1, Size: 5.0 GB, Mount Point: Unknown
In ADU log – there is no information about aborted buidling, but only I see „read error“
Logical Drive 3:
Drive Status: Ready for recovery
Blocks to Rebuild: 0
Blocks Re-mapped:
Spare Status Flags: 0x00
Spare to Replaced Map: See Big Spare to Replace Map:
Media Was Exchanged: No
Cache Failure: No
Expand Failure: 0x00
Unit Flags: 0x01 (Read Error)
Big Remap Count: Bus ID Count ID Count ID Count ID Count ID Count
1 2 002fh
Big Drive Failure Map: 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
Big Replacement Drive Map: 0x0008 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
Big Active Spare Map: 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
Big Spare to Replace Map: No spares have replaced any drives
Big Spare Marked OK Map: 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000
I found information that restart may be help for rebuild to start, but Partiy initialization is in progress, so I don't what to do … To speed up initialization ? Or just wait ??
best regards and thak you for your time,
Indira
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06-30-2015 09:01 AM - edited 07-22-2015 02:04 PM
06-30-2015 09:01 AM - edited 07-22-2015 02:04 PM
Re: 776 (Ready for Recovery) and 785 (Parity initial. in progress) on two logical drives
It looks like the array has failed due to a read error durring rebuild and now has inconsistent parity(2 drives with outdated parity and 3 with a newer set.
It's unclear what exactly happened but any attempt at a rebuild at this point will cause data corruption and overwritting at this point.
If you have a validated, up to date back up, you're best bet is to replace the drive with the read error, set up a new RAID volume and retore from backup.
If you don't have a validated, up to date backup and the data is valuable, then you'll need to contact a proffessional data recovery lab.
Example: www.raiddatarecovery.com
- Tags:
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- RAID
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07-01-2015 02:43 AM
07-01-2015 02:43 AM
Re: 776 (Ready for Recovery) and 785 (Parity initial. in progress) on two logical drives
I don't see any errors on physical disks. All disks "look" ok. Server is running ok, all data and all partitions are availiable and working ok. A little slower, but everything looks ok. Only in ACU I have one information 785 and warning 776 ...
5 disks in RAID 5. -> 4 logical disks. And I have problem with 2. and 3. logical drive.
2. logical drive is for party, and 3. logical drive is my "Data partition".
If I setup new RAID 5, I have to format server, becouse I have only one RAID 5 on 6 disks for hole server.....
As you see in table belove 3. logical drive is my partition E:\ on server...
Logical Drive Status: Ready for Rebuild
Rebuild Percentage Complete: 0%
Drive Number 3
Drive Unique ID 600508B1001038373320202020200008
Size 2097151 MB
Fault Tolerance RAID 5
Heads 255
Sectors/Track 32
Cylinders 65535
Strip Size 64 KB
Full Stripe Size 320 KB
Array Accelerator Enabled
Parity Initialization Status Initialization Completed
Disk Name \\.\PhysicalDrive2
Disk Partition Information Partition Number: 1, Size: 2.0 TB, Mount Point: E:\
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07-02-2015 02:20 AM
07-02-2015 02:20 AM
Re: 776 (Ready for Recovery) and 785 (Parity initial. in progress) on two logical drives
hi, pls any info/suggestins ?
is it ok, to try restart or remove/add disk which we replaced. I think that may be something is not ok with the disk which is replaced.
I send ACU log..
thank you for your time,
Indira
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07-06-2015 12:25 AM
07-06-2015 12:25 AM
Re: 776 (Ready for Recovery) and 785 (Parity initial. in progress) on two logical drives
just to share info... may be it could be usefull to smb.
We shut down server, turn off power supply. Wait 10-15', check disks in meantime (take it out, and trun it back). Everything was ok.
after that turn on server, "f2" - start automatic recovery (there was info that las automatic rec. was not successfull).
REbuild started ok, server was started ok and rebuild finished ok. :)
The thing that I changed before shut down server is that realocate some jobs from that server to another (just to reduce load on server)....
best regards,
Indira
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07-07-2015 04:00 AM
07-07-2015 04:00 AM
Re: 776 (Ready for Recovery) and 785 (Parity initial. in progress) on two logical drives
sorry, previously reply was not correct : "F1" is for Automatic Reocvery and that was the option we choosed.
best regards,
Indira