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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Unreliable samba transfers - common issue? (lemmy.ml)

submitted 5 days ago* (last edited 5 days ago) by [email protected] to c/[email protected]

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I'm running Jellyfin on a Debian-server in my home, and I have the associated media folders set up as samba shares so that I can transfer any new media from my laptop to the server through Dolphin (KDE file manager).

This has for the most part worked very well (except slow speeds), but I've had an issue recently where the files are not copied over properly. This resulted in glitches in for example music files that would stop playback. I checked the checksums of some of these files, and they were different from source. Seems like the glitchy files are missing some data, but at no point were I notified about this. It works fine after I removed the files and transferred again, and now the checksums match.

Is this a common issue with samba, or could it be a sign that my HDD is acting up?

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[–] [email protected] 3 points 5 days ago (9 children)

rysnc might be a faster and more reliable option. It can compress the files for transfer and does checksums after the transfer is complete

I used something like this to transfer 12 TB from offsite to onsite with zero failures


rsync -arvzip --progress /path/to/host /path/to/destination

You can set up a screen and let this run in the background all the time

[–] [email protected] 2 points 5 days ago

I tried to resync now, and had to pass the -c flag to make sure it checked the cheksums to see if they should be updated. Then it worked. Looks like that does not affect the after-transfer checksum check though, so that's good (from documentation):

Note that rsync always verifies that each transferred file was correctly reconstructed on the receiving side by checking a whole-file checksum that is generated as the file is transferred, but that automatic after-the-transfer verification has nothing to do with this option's before-the-transfer lqDoes this file need to be updated?rq check.

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