Server :: Large File Size Cause RPC Authentication Error?
Oct 6, 2009
I think I am having a problem due to an NFS server file size limit. Is it possible I am missing a parameter on the RHEL NFS setup to handle large files? I am running an NFS server on a RHEL 5.1 machine and the HP-UX 11.0 machine does an NFS mount to that file system. The HP-UX executes a program that resides on the HP-UX machine to process a large 35 GB data file that resides on the NFS server machine. The program on the HP-UX can only read/process the first portion of the file until an "RPC: Authentication error" is returned multiple times until the program prematurely decides that it has reached the end of file.
I tried recompiling the same program to run on the RHEL 5.1 NFS server to access the 35 GB file locally (on the NFS server instead on HP-UX) and the program completed successfully, processing the whole file (about 7 hours of processing) with no "RPC: Authentication error." In addition, I have been running the nfs mount with the same machines for quite some time, but not with such large files sizes.
I recently upgraded my file/media server to Fedora 11. After doing so, I can no longer copy large files to the server. The files begin to transfer, but typically after about 1gb of the file has transferred, the transfer stalls and ultimately fails with the message:
"Error writing to file: Input/output error"
I've run out of ideas as to what could cause this problem. I have tried the following:
1. Different NFS versions: NFS3 and NFS4 2. Tried copying the files to different physical drives on the server. 3. Tried copying the files from different physical drives on the client. 4. Tried different rsize and wsize block sizes when mounting the NFS share 5. Tried copying the files via a different protocol. SSH in this case. The file transfers are always successful when I use SSH.
Regardless of what I do, the result is the same. The file transfers always fail after approximately 1gb.
Some other notes.
1. Both the client and the server are running Fedora 11 kernel 2.6.29.5-191.fc11.x86_64
I am out of ideas. Has anyone else experienced something similar?
CanoScan LiDE 210 running under 10.10 on a Tosh Tecra M11-130 laptop.Currently trying out xsane to archive some paperwork in monochrome, as the bundled Simple Scan utility can only save in either colour or greyscale. The problem is that the same A4 page saved as monochrome has a file size about three times larger in Ubuntu than in Windoze.
The scan mode options are either 'Colour', 'Greyscale' or 'Lineart'. There is no 'halftone' setting available, as shown in some of the xsane manuals. Don't know whether this is significant to this issue. Xsane's main option window shows 3508 x 2480 x 1 bit for a 300 dpi A4 monochrome scan when 'lineart' is selected, but the intermediate file size is 8.3MB instead of just over 1MB before packing for the PDF. This is consistent with each pixel not being recorded as a 1 or a 0, but as a greyscale 11111111 or 00000000, i.e. monochrome/halftone, but stored in an eight bit field. how to tweak xsane for true monochrome intermediate .pnm files and saved PDFs?
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When I printer a test page from the server's screen the print job goes through ok and the size was about 5k.
I then setup a samba share to allow my Windows 7 machine to share the printer. Windows 7 is able to pick up the shared printer correctly and I used the default HP 1310 Series drivers. When I tried to send a test page to the printer, that single page ended up being 3887kb and I also tried printing out a single paged word document which ended up being over 7MB.
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Code:
auto lo iface lo inet loopback # The primary network interface #auto eth0
[code]....
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[Code].....
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