New M3 2TB drive with EXT4-fs warning (device sdc1): ext4_end_bio:317:

Hi guys, I bought a new 2TB Samsung USB3 disk for 139SGD and I worried I might not have set it up correctly at EXT4 drive for backups:
x220:~$ sudo fdisk -l /dev/sdc
Disk /dev/sdc: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: FCDE6441-7BD8-482B-BA76-6115CDC0DFF8
Device Start End Sectors Size Type
/dev/sdc1 2048 3907029134 3907027087 1.8T Linux filesystem
x220:~$ sudo blkid | grep sdc
/dev/sdc1: UUID="8f62dae3-b955-4a9e-b8ad-28cce9b8df56" TYPE="ext4" PARTUUID="2284b761-44cc-4d5b-af2b-8f45f18a9685"
x220:~$ grep 8f62dae3 /etc/fstab
UUID="8f62dae3-b955-4a9e-b8ad-28cce9b8df56" /mnt/m3 auto noauto,noatime,users,nofail 0 0
x220:~$
To my dismay when I did a sustained transfer on it on my only USB3 port of my Thinkpad X220 (Sandy Bridge):
[27705.858159] EXT4-fs warning (device sdc1): ext4_end_bio:317: I/O error -5 writing to inode 105383762 (offset 0 size 2093056 starting
block 422637529)
[27705.858168] Buffer I/O error on device sdc1, logical block 422637243
[27705.858175] Buffer I/O error on device sdc1, logical block 422637244
Full log: http://ix.io/gkJ
I can't seem to reproduce the issue. It's working fine atm. Is the drive a dud? Are there some tools I can use to check this drive? Is there a better (more reliable) file system configuration?

I would have done all write+verify passes of badblocks and check the smart status before putting the drive to use. That said, it might be that the drive might needs some quirks to work without problems. On another note, so far my experience with Samsung disks (rotational media) has been bad, personally if I can avoid their drives I will.
Also make sure that nothing is trying to get the smart status of the drive while you are actively reading or writing, I have found that to be a sure recipe for data loss with the Samsung drives I have dealt with so far. Things may be different now, but I have been burned enough before.

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Hello,
I have a 2007 iMac 21" Aluminum running 10.6.8 with 4GB RAM. Two years ago I had a 2TB Western Digital drive installed, which ran fine until about two weeks ago. The performance of my iMac went down hill fast. At first I didn't suspect the drive but, finally, Disk Utility did start showing errors (including the disk0s2: I/O error).
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I know it's possible to get a bad drive, so I haven't ruled that out. I'm just surprised if that's indeed the case. But I want to make sure I know what's going on, and any help would be appreciated.
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I took it into a different authorized Apple reseller/tech (Mac Authority Nashville) and they did a diagnostic on the spot, indicating that the drive was OK. They suggested it was probably a loose cable.
I took it back to the other place and they took time to disassemble it again and check the cables. The cables were fine (they showed me pics on their iPad - nice touch since I couldn't go back in the back). They suspected it could be corrupted data and that I should eliminate that possibility before dropping another $100 on it to find out what the issue is -- especially since it's six years old (this weekend, in fact. I chuckled when Apple said that it's now classified as a "vintage" machine).
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[SOLVED] Replacing an existing Arch drive with a new one

I want to swap out my SATA drive with a new one, without reloading anything, nor borking anything..... The original drive is 1TB, and the new HDD is also 1TB, albeit from different manufacturers.
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New M3 2TB drive with EXT4-fs warning (device sdc1): ext4_end_bio:317:

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