Re: [opensuse] Max filesize on NFS? 4G?
- From: "Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>
- Date: Tue, 13 Mar 2007 11:37:33 +0100 (CET)
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The Monday 2007-03-12 at 21:04 -0700, Mike Noble wrote:
I'm surprised to be hit by the small file limit on NFS. Is there some
specific parameter I need to support large files?
The same command, run locally on the server, runs "fine" (>4GB ok), so
it definitely seems to be a NFS related problem.
4 GB is the limit of a 32bit processor.
That's absurd. I'm using a 32 bit processor and I have files of 9 gigas,
so having large files is not an intrinsic processor limitation.
Actually, if you look at the opensuse manual, «Table 17.2. Maximum Sizes
of File Systems (On-Disk Format)»
<http://localhost/usr/share/doc/manual/opensuse-manual_en/manual/sec.filesystems.lfs.html#tab.maxsize>
shows the large file support limits for NFS:
File System File Size (Bytes) File System Size (Bytes)
- --------------------+-------------------+----------------------------
NFSv2 (client side) 2^31 (2 GiB) 2^63 (8 EiB)
NFSv3 (client side) 2^63 (8 EiB) 2^63 (8 EiB)
The kernel limit for 32 bit processors is 2TiB (2^41 bytes).
So, 4GiB is very far from the limit. Either there is some parameter needed
somewhere, or there is a bug.
- --
Cheers,
Carlos E. R.
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