On Sun, Sep 16, 2007 at 04:25:49PM +0200, you wrote:
I recently had to create a big file, and ran this:
# dd if=/dev/zero of=/srv/xen/disks/vm1.xm obs=1024K count=20000 seek=10000
conv=notrunc
The effect, apart from growing the file to an unspecified size (it came
out at 31G instead of 20)
Well, you told it to write 20000 1M blocks after seeking 10000 1M
blocks into the file. (That comes to 30G.)
The computer in question is an AMD64 X2 machine with 2G RAM and a pair of 250G
SATA2 disks, with everything except /boot inside an encrypted LVM partition
(I'm using dm_crypt).
Reiserfs by any chance?
Mike Stone
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