Questions tagged [corruption]

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18 votes
3 answers
16k views

Is there a way to protect SSD from corruption due to power loss?

We have a group of consumer terminals that have Linux, a local web server, and PostgreSQL installed. We are getting field reports of machines with problems and upon investigation it seems as if there ...
Yehosef's user avatar
  • 1,305
12 votes
2 answers
24k views

Prevent data corruption on ext4/Linux drive on power loss

I have some embedded boards running American Megatrends bios with embedded linux as the OS. The problem I have is that the industrial flash ide's will be corrupted on power loss. I have them ...
Jonathan Henson's user avatar
3 votes
2 answers
19k views

mdadm rebooted, array missing? can't assemble?

Not sure what is going on with my Array. I rebooted ubuntu 12.04.1 and got a error on startup that fstab couldn't mount the filesystem UUID I have for my mdadm array. After running a few commands a I ...
Jim's user avatar
  • 988
19 votes
13 answers
356k views

Error 0x80070570: How to delete corrupted and unreadable file?

On my system partition I have a folder which cannot be deleted. This folder has been created by restoring files from an Acronis TrueImage backup. The error message says: Error 0x80070570: The file ...
0xA3's user avatar
  • 243
13 votes
5 answers
22k views

Apparently Robocopy does not understand Windows Server 2016 deduplication. Is there a way to make it work without corrupting the volume?

Scenario: Doing a server migration from old Server 2008 R2 to new Server 2016, following this Server Fault guide: File server migration using Robocopy After Robocopy completes, enable deduplication ...
Dale Mahalko's user avatar
10 votes
3 answers
13k views

How to corrupt a file system

I am going to be testing 'xfs_repair' on some large file systems ( around 50 TB ) as in the past the memory usage is high. While I could test the program only on file systems which were correct it ...
James's user avatar
  • 2,242
6 votes
2 answers
2k views

zfs checksum error in raidz1 vdev but not in disk

I am backing up data stored in a zpool consisting of a single raidz vdev with 2 hard disks. During this operation, I got checksum errors, and now the status looks as follows: pool: tmp_zpool state:...
Matei David's user avatar
4 votes
2 answers
5k views

Verifying Integrity of Data

I just set up a FreeNAS server with a terabyte drive. I want to only have one hard drive in each machine so I have been taking as much data as possible and sending it over the LAN to FreeNAS. I have ...
Bob's user avatar
  • 2,967
4 votes
1 answer
248 views

Queries passed to SQL Server are getting corrupted

We are experiencing a bizarre error with our application at a customer site. We have managed to narrow it down to the point where we can replicate the behaviour using just Management Studio and SQL ...
adrianbanks's user avatar
3 votes
3 answers
2k views

How does SSD meta-data corruption on power-loss happen? And can I minimize it?

Note: This is a follow-up question to Is there a way to protect SSD from corruption due to power loss?. I got good info there but it basically centered in three area, "get a UPS", "get better drives",...
Yehosef's user avatar
  • 1,305
2 votes
3 answers
644 views

zfs on a single device: what happens when a file is corrupted?

It is written everywhere that ZFS is helpful even if you only have one physical device, because it will tell you about data corruption due to bit decay and such. However, can it actually address such ...
cnst's user avatar
  • 14.3k
0 votes
1 answer
397 views

Occasional output corruption on Nginx with PHP-FPM

I've got a PHP file generating a large amount of JSON (~1.5 MB) through an Nginx server and PHP-FPM, running on macOS. Occasionally (about 2% of requests), the outputted JSON becomes corrupted. The ...
Robert's user avatar
  • 101