can't copy files >= 1M to NFS share
yuripv at yuripv.net
Thu Dec 6 09:15:32 UTC 2018
Carson Chittom wrote:
> I've got an 11.2 system acting as my media server. I'm successfully exporting the directory which contains the media files via NFS, so that
> they're accessible on my workstation, which is running Windows 10 Pro. I can read the files fine from the Windows machine using the built-in
> Microsoft NFS client, and I can create directories, new files, and so forth from the Windows machine in the share.
> The issue is that I can't copy any files greater than or equal to 1M from the Windows system to the NFS share. I confirmed this by using dd
> to create a file which is 1023k, which I was able to copy, and one which is 1024k, which I was not. I get the same behavior whether I try to
> drag-and-drop into the NFS share, copy-and-paste, or using "copy" in the Windows Command Prompt. The error that Windows immediately gives me is
> "Error 0x8007045D: The request could not be performed because of an I/O device error." (And again, I *don't* get this error if the file is under 1M.)
> I've done some web searches, and there's a fair amount of that particular error code--but nothing that I saw seemed directly relevant
> (mostly about timeouts...but I'm getting the error immediately). Maybe I'm just bad at Google.
> My /etc/exports is unexceptional, literally just the line:
> /usr/local/plexdata -mapall=plex
> Unfortunately, I don't have another system to hand to test mounting the share. So at this point, I'm not sure where to poke. Is this something I
> can address from the FreeBSD side? A limitation of the Windows NFS client? Some unfortunate combination of them?
> If anybody can point me in the right direction, I'd be appreciative.
FWIW, I just tried this from Windows 10 Pro (Version 1803 OS Build
17134.441) to FreeBSD-12.1 and FreeBSD 13-CURRENT, and I'm NOT seeing
the issue (actually I was able to copy a 2GB file), so apparently it's
not windows nfs client limitation.
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