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Forum Discussion
Data recovery posibility disk 1 failed hard drive, disk 4 sectors that could not be read
I'm posting on this forum to get further details to consider if Netgear support is likely to recover data after the following events occurred written below. The device is a ReadyNAS 314, has four har...
Thanks for replying StephenB. I welcome the information that data recovery reasonably likely to succeed.
My only doubts are that why when the NAS when shut down and powered up again the volume disappeared. Even though it's showing that a new volume needs to be created is the data still in there somewhere, where support can recover it. The other doubt is when it booted back again why all four disk have green okay status instead of showing one disk failed and the other failing. Could all four disks be in good condition but the NAS failed due to a software issue? If so can data still be recovered?
Thanks.
This is the most recent disk_info log if it helps.
Device: sda
Controller: 0
Channel: 0
Model: WDC WD40EFRX-68WT0N0
Serial: WD-WCC4E6FY4T46
Firmware: 82.00A82
Class: SATA
RPM: 5400
Sectors: 7814037168
Pool: data-0
PoolType: RAID 5
PoolState: 5
PoolHostId: 7c6ee44a
Health data
ATA Error Count: 15
Reallocated Sectors: 7
Reallocation Events: 1
Spin Retry Count: 0
Current Pending Sector Count: 6
Uncorrectable Sector Count: 0
Temperature: 29
Start/Stop Count: 2357
Power-On Hours: 13600
Power Cycle Count: 37
Load Cycle Count: 2336
Device: sdb
Controller: 0
Channel: 1
Model: WDC WD40EFRX-68WT0N0
Serial: WD-WCC4E0HHFNH3
Firmware: 82.00A82
Class: SATA
RPM: 5400
Sectors: 7814037168
Pool: data-0
PoolType: RAID 5
PoolState: 5
PoolHostId: 7c6ee44a
Health data
ATA Error Count: 0
Reallocated Sectors: 0
Reallocation Events: 0
Spin Retry Count: 0
Current Pending Sector Count: 0
Uncorrectable Sector Count: 0
Temperature: 28
Start/Stop Count: 2370
Power-On Hours: 13600
Power Cycle Count: 36
Load Cycle Count: 2354
Device: sdc
Controller: 0
Channel: 2
Model: WDC WD40EFRX-68WT0N0
Serial: WD-WCC4E6FY46HE
Firmware: 82.00A82
Class: SATA
RPM: 5400
Sectors: 7814037168
Pool: data-0
PoolType: RAID 5
PoolState: 5
PoolHostId: 7c6ee44a
Health data
ATA Error Count: 0
Reallocated Sectors: 0
Reallocation Events: 0
Spin Retry Count: 0
Current Pending Sector Count: 0
Uncorrectable Sector Count: 0
Temperature: 28
Start/Stop Count: 2320
Power-On Hours: 12407
Power Cycle Count: 36
Load Cycle Count: 2304
Device: sdd
Controller: 0
Channel: 3
Model: WDC WD40EFRX-68WT0N0
Serial: WD-WCC4E0HHFFKS
Firmware: 82.00A82
Class: SATA
RPM: 5400
Sectors: 7814037168
Pool: data-0
PoolType: RAID 5
PoolState: 5
PoolHostId: 7c6ee44a
Health data
ATA Error Count: 0
Reallocated Sectors: 0
Reallocation Events: 0
Spin Retry Count: 0
Current Pending Sector Count: 4
Uncorrectable Sector Count: 0
Temperature: 29
Start/Stop Count: 2344
Power-On Hours: 12409
Power Cycle Count: 36
Load Cycle Count: 2326
This is the smart_history log
time model serial realloc_sect realloc_evnt spin_retry_cnt ioedc cmd_timeouts pending_sect uncorrectable_err ata_errors
------------------- -------------------- -------------------- ------------ ------------ -------------- ---------- ------------ ------------ ----------------- ----------
2015-04-08 11:13:31 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 0 0 0
2015-04-08 11:13:31 WDC WD40EFRX-68WT0N0 WD-WCC4E0HHFNH3 0 0 0 -1 -1 0 0 0
2015-04-08 11:13:31 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY46HE 0 0 0 -1 -1 0 0 0
2015-04-08 11:13:31 WDC WD40EFRX-68WT0N0 WD-WCC4E0HHFFKS 0 0 0 -1 -1 0 0 0
2016-10-20 10:41:22 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 1 0 0
2016-10-20 15:31:43 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 2 0 0
2016-10-25 12:21:08 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 3 0 0
2016-10-26 12:34:16 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 0
2016-10-27 15:50:11 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 1
2016-10-27 15:53:18 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 4
2016-10-28 10:06:59 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 9
2016-10-28 10:08:44 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 10
2016-10-28 10:11:51 WDC WD40EFRX-68WT0N0 WD-WCC4E0HHFFKS 0 0 0 -1 -1 5 0 0
2016-11-02 14:54:23 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 13
2016-11-02 14:59:18 unknown unknown -1 -1 -1 -1 -1 -1 -1 0
2016-11-02 15:21:10 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 4 0 15
2016-11-03 11:21:54 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 5 0 15
2016-11-03 11:42:51 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 0 0 0 -1 -1 6 0 15
2016-11-24 17:48:29 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 5 1 0 -1 -1 6 0 15
2016-11-30 09:51:15 WDC WD40EFRX-68WT0N0 WD-WCC4E6FY4T46 7 1 0 -1 -1 6 0 15
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