All Questions
Tagged with raid data-recovery
79
questions
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60
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Degraded four-drive RAID 5 with missing superblock on single drive
I'll start with the question: Based on the following information, is there a mdadm command I can make in the readyNAS to reassemble all four drives in the raid 5 in a working state where I can pull ...
- 1
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31
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Recover files from failed raid 0
I have a client whose laptop (Asus GX502) stopped working, and as I fix the laptop he wants his data from his drives, but problem is that when I connected the nvme SSDs (512 GB each) to my test ...
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53
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Unable to access data on Intel "fake RAID" after failed Ubuntu update
Recently I did an update of my Ubuntu, it seems to work at first but after restart it shows:
kernell ofset relocation range kernel panic not syncing: VFS
I try to use different older kernel from Grub ...
- 101
2
votes
1
answer
307
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Read data from a raid1 disk, superblocks erased
I have a disk that used to be inside my qnap NAS (it was in raid1 with another disk, which I still have). The NAS died and I mounted the disk on my ubuntu machine using mdadm to create the raid array ...
- 123
1
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170
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Recovering QNAP TS-559Pro RAID 5 after double disk failure
Although the system itself stated that the array functions normally, DiskSMART for Disk 2 was giving yellow warning at Reallocated_Sector_Ct line:
Value=100
Worst Value=100
Threshold=010
Raw value=8
...
- 13
0
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1
answer
85
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Confused source with destination with ddrescue
I was about to recover second out of five failing RAID disks with ddrescue, and sudden peculiar twist occurred in my mind, and I typed
sudo ddrescue --verbose --idirect --no-scrape -f /dev/sda /dev/...
- 13
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89
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Recover data from mirrored drive on HP N40L microserver
My HP N40L Microserver has died and I'd like to get the data off the drives. I had 2 sets of mirrored drives on the server. Pretty sure the drives are ok, was another issue with the server.
I've ...
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1
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814
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Restoring/Accessing Synology Raid 1
I was recently asked to try to restore the data from a raid on a synology NAS. The raid consists of 2 disks of 2TB in size. It is a raid 1.
From what I was told, One of the drives has failed and the ...
- 11
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204
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Repairing Lost Partitions In RAID Array
I have a pair of SSDs in a RAID 1 array, managed by a Dell PERC H710 Mini. The disk backplane was replaced and the virtual disk disappeared, it has since reappeared but contains nothing (there was an ...
- 101
1
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66
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RAID 10 Failed after BIOS flub. Any chance at recovery?
System Specs (about 11/12 years old):
Asus Maximus IV Extreme-Z
i7-2600K
32MB DDR3
Windows 10 Pro - 21H2
Samsung 980 Pro 1TB (OS)
Toshiba 7200RPM 5TB (Movies, Music & other media)
4x Seagate 3TB ...
0
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0
answers
2k
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Hiren's Boot PE, NVMe & RAID - a RAW deal
On HP laptop Windows 11, I booted into Windows perfectly normally, then I rebooted into Hirens Boot PE, opened Aomei Backupper, did not do any action in that application, then I opened Disk Management,...
1
vote
1
answer
147
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lvm recovery with raid reconfiguration
I have a Dell R510 with a H200 controller previously and I have two disks: a 2T SAS and a 250G SSD. I created two raid0s using those two disks on H200 and then created lvm on top of it. Here is my ...
- 11
0
votes
1
answer
121
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RAID Server Data Recovery
Need to recover data from a ~2010 vintage Windows RAID array server (Dell PowerEdge T710). What is the best way to get the data back? The data is valuable so while I'm willing to take some risk by ...
- 111
0
votes
1
answer
963
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RAID 5 (not failed) corrupted data recovery
My question is not about failed RAID, but RAID data corruption
Recently I have been given an interesting problem to ponder. A friend of mine has a RAID 5 NAS (Western Digital MY CLOUD EX4100 8TB) and ...
- 105
1
vote
1
answer
925
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CentOS 6 LVM RAID5, unable to activate VG / LV. "device-mapper: reload ioctl on (253:119) failed: Input/output error"
I've found myself in a complex Linux LVM-RAID5 / device-mapper problem after one temporary device failure, and one bad block encountered during that time. The logical volume can now not be activated ...
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