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Re: df fails to read file system list? no sparse file support?
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From: |
Eelco Dolstra |
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Subject: |
Re: df fails to read file system list? no sparse file support? |
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Date: |
Mon, 31 Jan 2011 12:29:17 +0100 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.12) Gecko/20101220 Lanikai/3.1.6 |
Hi,
On 01/31/2011 12:18 PM, Jim Meyering wrote:
> What type of file system do we get for jobs like these?
All machines use ext3 or ext4. This test:
> http://hydra.nixos.org/build/875237/nixlog/1/raw
was done on a machine with an ext3 filesystem. However, it (rather
unfortunately) has a 1 KiB cluster size, which means that the maximum file size
(even sparse files) is rather limited, about 16 GiB:
address@hidden:~]# truncate -s16G x
address@hidden:~]# truncate -s17G x
truncate: failed to truncate `x' at 18253611008 bytes: File too large
--
Eelco Dolstra | http://www.st.ewi.tudelft.nl/~dolstra/