Iam not sure. I dont know your kernel version. Maybe the reason is the old afs client module version. There was a problem with the splice kernel function since kernel 4.4 and backports.
We are using the openafs ppa repository (https://launchpad.net/~openafs/+archive/ubuntu/stable) on Ubuntu below Ubuntu 16.10 because this problem is solved in openafs >= 1.6.18 which isnt part of Ubuntu repo. below 16.10. I hope this help you. regards, Andreas > Some users at our site reports problems with downloading files > directly to AFS (and this problem has existed for years). > > I'm now working to try to find the cause. Just to eliminate the > server, we have moved the user's volume to our YFS server, but we > experience exactly the same problem. > > I can't seem to reproduce it on my own machine (Ubuntu 14.04.1 LTS > with openafs client 1.6.7-1ubuntu1.1). > > However, the machine where I have managed to reproduce the problem is > a terminal server (with lots of users). It's a Ubuntu 12.04.5 LTS with > openafs version 1.6.1-1+ubuntu0.7. > > The AFS cache is set to: > > cat /etc/openafs/cacheinfo > /afs:/cache/openafs:5000000 > > > What happens is this: > I run a wget (from siemens in this case, but probably not important). > The wget either aborts at 70% or so, with a "Connection timed out", > or, as happened for me just now: > > HTTP request sent, awaiting response... 200 OK > Length: 1983588866 (1,8G) [application/zip] > Saving to: `nx-9.0.3.zip.1' > > 100%[====================================>] 1 983 588 866 17,7M/s in > 1m 50s > > utime(nx-9.0.3.zip.1): Connection timed out > 2016-11-30 11:33:39 (17,3 MB/s) - `nx-9.0.3.zip.1' saved > [1983588866/1983588866] > > So, the file downloaded 100% (to the AFS cache). Then there was a > delay for some time before the error popped up (while flushing the > cache, I would guess). > > If I look at the resulting file, I see that it's corrupt. > > Downloading to local disk first, and then copy to AFS seems to work > every time. > > Does anyone recognize this problem? > > /Staffan >
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