mkstemp <filename> failed

[Keith Mastin]

I'm not really what you would call a linux newbie, but I managed to run
into a problem with rsync that has me stumped.

I want to conduct un-attended backups of various files and directories
over about 3000 miles of Internet, so I chose sshd and rsync for the job.
I wrote a pair of scripts to do the job, the first to run incremental tars
on the localhost, the second to run the rsync client.

The first script is owned by root and the other owned by me ($USER). The
root file tars a bunch of directories and changes their ownerships and
permissions to $USER:$USER 644, then invokes the second script. The
second script makes the ssh connection and does an rsync backup to the
fileserver. Everything seems to be in order, but it doesn't work.

Here's the command that runs rsync on the client:
/usr/bin/rsync --verbose  --progress --stats --compress --rsh=/usr/bin/ssh \
      --recursive --times --perms --links --delete --include "*" \
      /web/tars/* kmastin at 216.138.230.185:/chroot/mcleod/


Here's a sample of the output:
kmastin.tar
   635361280 100%    3.76MB/s    0:00:00
layer1.tar
    24145920 100%    3.95MB/s    0:00:00
logs.tar
   229990400 100%    1.59MB/s    0:00:00
mkstemp .kmastin.tar.yK1Qmu failed: Permission denied
mcleodlake.tar
    85278720 100%    3.91MB/s    0:00:00
mlib.tar
   528435200 100%    3.15MB/s    0:00:00
paulf.tar
    25323520 100%    3.90MB/s    0:00:00
peace.tar
      583680 100%    4.71MB/s    0:00:00
pguinane.tar
    63293440 100%    1.94MB/s    0:00:00
mkstemp .layer1.tar.v3E0Mk failed: Permission denied
rdgroot.tar
    70676480 100%    4.47MB/s    0:00:00
mkstemp .logs.tar.GvS2jd failed: Permission denied
mkstemp .mcleodlake.tar.mbt6rh failed: Permission denied
mkstemp .mlib.tar.E9pqVH failed: Permission denied
mkstemp .paulf.tar.lkvoJY failed: Permission denied
mkstemp .peace.tar.ldSPcm failed: Permission denied
mkstemp .pguinane.tar.UvpoSJ failed: Permission denied
mkstemp .rdgroot.tar.4XbXBG failed: Permission denied
rsync[19081] (sender) heap statistics:
  arena:         348792   (bytes from sbrk)
  ordblks:            3   (chunks not in use)
  smblks:             0
  hblks:              1   (chunks from mmap)
  hblkhd:        266240   (bytes from mmap)
  usmblks:            0
  fsmblks:            0
  uordblks:      341344   (bytes used)
  fordblks:        7448   (bytes free)
  keepcost:        3352   (bytes in releasable chunk)

Number of files: 22
Number of files transferred: 22
Total file size: 2483555627 bytes
Total transferred file size: 2483555627 bytes
Literal data: 814454539 bytes
Matched data: 1669101088 bytes
File list size: 446
Total bytes written: 407556250
Total bytes read: 10169052

wrote 407556250 bytes  read 10169052 bytes  97839.40 bytes/sec
total size is 2483555627  speedup is 5.95
rsync error: partial transfer (code 23) at main.c(578)



The files on the server are unchanged, and a few files that I added as
controls did not transfer (timestamps and sizes are unchanged), although
they all took up bandwidth for transfers/updates.

I looked in the logs and did a google for this, but found nothing
relevant. There was one reference to the fact that rsyncd.conf spec's
rsync to run as uid/gid nobody:nobody, so I tried changing them to
kmastin:kmastin. No joy, same errors.

The second suggestion on the same thread was to make read only = false in
the rsyncd.conf file, which I did but also get the same errors.

Here's my rsync.conf file from the server:
log file = /var/log/rsyncd.log
pid file = /var/run/rsyncd.pid
lock file = /var/run/rsync.lock

[mcleod]
   path = /chroot/mcleod
   comment = Rsync Backup Server for mail.McLeodLake.com
   uid = nobody
   gid = nobody
   read only = false
   list = yes
   auth users = kmastin
   secrets file = /etc/rsyncd.scrt
   hosts allow = mail.macleodlake.com
   hosts deny = *

The rsyncd.scrt file:
kmastin:<passwd>

As you can see from the above outpuyt, I can connect and it looks like
things are working for the first minute or so, and then the errors start.

The filenames are about 15 characters each max (ie. /web/tars/home.tar ->
/chroot/mcleod/home.tar), so I think long filenames are not the issue
here.

The system is redhat-7.3, all up2date'd. I got so PO'd that I did rpm -e
rsync and installed from sources, thinking the latest version (2.5.6-2)
might be a fix, but again no joy.

Any help/indications would be appreciated.

On another note, I also noted that there's no entries into rsyncd.log. Any
ideas on that?

TIA

-- 
Keith Mastin
BeechTree Information Technology Services Inc.
Toronto, Canada
(416)696 6070




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-- 
Keith Mastin
BeechTree Information Technology Services Inc.
Toronto, Canada
(416)696 6070