[Samba] Zero-blocks in large files (smb in libvirt/kvm RHEL)

Reindl Harald h.reindl at thelounge.net
Mon Jun 1 04:30:52 MDT 2015


Am 01.06.2015 um 12:21 schrieb Peter B.:
> I'm having a very strange problem, and I'm running out of ideas how to
> debug it :)
>
> Whenever I copy large files (several hundred MB/GB per file), it happens
> every now and then that some of them have blocks of zeroes in them. If it
> happens, it's always between around 50kB and 150kB.
>
> The problem occurs when I copy files from Debian6 to Samba on RHEL6.5,
> using rsync

why using rsync with a SMB based filesystem instead fire up the rsync 
daemon on the machine hosting it physically or using rsync over ssh?

you don't gain anything with rsync when the filesystem itself is a 
network mount because for building checksums, well, you get the picture....

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