[Bug 5478] rsync: writefd_unbuffered failed to write 4092 bytes [sender]: Broken pipe (32)

samba-bugs at samba.org samba-bugs at samba.org
Fri Jul 13 13:14:04 MDT 2012


--- Comment #21 from Martin Scherbaum <samba at scherbaum.org> 2012-07-13 19:14:03 UTC ---
Hello together,

although the last posting has been already done a while ago, out of respect for
the meticulous work of Eric (and Tim and Wayne) - which was a pleasure to read
for me - I'd like to add an observation I made for the very same strange rsync

I tried to rsync some 225GB of image data (mainly 8 to 12Mpix JPG files) from
my notebook (openSUSE 11.4) over a WLAN (ca. 120MBit raw) to a RaidSonic NAS
(connected to my router with 100Mbit cable, has officially a 1GBit interfacw)
which writes the data to a RAID1 configuration of 3.5" hard drives.
So, no real large files. But a not so fast NAS.
It hung up again and again with the above mentioned message "rsync:
writefd_unbuffered failed to write 4092 bytes [sender..." for different files.

After all the discussion of network matters that I saw from your thread I
thought (as I'm working in my LAN) I could turn of openSUSE's firewall for a
try. And: since that moment everything runs fine! And even fast. rsync doesn't
stall and files arrive properly, independent from size (I also got some larger

Although I'm not able to make a deep analysis as the writers before, I hope
this observation helps one or the other who googles for the error message...

Configure bugmail: https://bugzilla.samba.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.

More information about the rsync mailing list