On Monday 26 March 2007 05:16, Eric Bambach wrote:
> Hello again list.
> 
> Original thread is: [Bacula-users] Unable to Truncate Error Solved!
> 
> I have some additional information about my problem.
> 
> I am still getting error truncating files. It has to be some weird 
> incompatibility with windows 2000 server and Bacula.
> 
> -The file permissions say everyone full control.
> -SysInternals Process explorer at the time of the error show that only 
> bacula-sd.exe has an open handle for Vol0071 (Or any of the volumes for 
> that matter).
> -SysInternals Filemon shows no access besides bacula-sd.exe to that 
> volume at the time of the error.
> -I tried both the packged mingw.dll and a different version from the 
> MinGW website.
> -I have no antivirus software installed.
> -Winver shows Windows 2000 Version 5.0 (Build 2195: Service Pack 4)
> -I have cygwin installed. Maybe a .dll conflict there?
> -Using 2x"Initio inic1620 S-ATA Controller" to power a dynamic disk 
> Raid-5 array of 4x"WDC WD3200JD-00KLB0 SCSI Disk Device"
> -I DO have Legato Networker installed which backs up those files. 
> (Off-site). But legato did not have filehandles for Vol0071 (or any 
> other in the pool) open at the time.
> 
> Any ideas anyone? 

If we assume that this is a Windows bug rather than a Bacula bug, I have the 
following comments:
- I've seen this kind of thing *many* times on Win32 machines. Most recently 
was two days ago when I was cleaning up an older laptop that I was "donating" 
to a 3rd world country.  I wanted to blow away all my files.  I did so by 
creating a new account, loging out of my account, then proceeding to delete 
my files (after deleting my account).  When I got to one particular part of 
the system (my profile if I remember right), it would not delete the 
directory complaining that I could not delete NTLDR.dat (or some file such as 
that).  The error message was total nonsense.  In the end I succeeded in 
deleting my file *only* after rebooting and never logging in on my account.

What that tells me is that there are conditions in which files are opened, and 
even if the user goes away, the OS still thinks the file is open (or at least 
cannot be deleted).

- You might try rebooting your machine, and in doing so make sure that no 
other software runs (by turning it off before rebooting) that could possibly 
open or touch the file that Bacula wants to truncate.  Then see if Bacula can 
do its thing.

- Ensure that you really have installed Bacula as system administrator of the 
local machine (not as a domain administrator or whatever the term is).  The 
manual explains this for the FD.

Now, if we assume that this is a Bacula bug (i.e. something is incorrect in 
the libraries), it seems to me that this is going to take a bit of work to 
resolve.  The first step would be either manually in the source code or with 
a debugger, trace exactly what code Bacula is executing when it does the 
truncate() (actually, I think it does an ftruncate(), which as far as I can 
tell is defined as chsize().

Once you find where it is getting the error, we can examine the system call 
and probably figure out how to fix it.  I do note that there is a comment in 
the gcc code that indicates that ftruncate() does not work ...



> This will put a complete halt to using bacula in our  
> environment. I am not opposed to debugging/tracing the problem for the 
> developers because bacula seems like such an awesome product but I need 
> some pointers as I am out of ideas for the moment.
> 
> Perhaps the source needs an #IFDEF WIN32 chsize(...) #ELSE truncate(...) 
> #ENDIF?
> 
> Should we take this to the MinGW development list?
> 
> ---------------------Error log-------------------------------
> 
> 25-Mar 21:59 moe-dir: No prior Full backup Job record found.
> 25-Mar 21:59 moe-dir: No prior or suitable Full backup found in catalog. 
Doing FULL backup.
> 25-Mar 21:59 moe-dir: Start Backup JobId 46, Job=Junior.2007-03-25_21.59.31
> 25-Mar 21:59 moe-dir: Recycled current volume "Vol0071"
> 25-Mar 21:59 moe-sd: Junior.2007-03-25_21.59.31 Fatal 
error: ../../stored/label.c:448 Truncate error on device "FileStorage" (E:
\Bacula-Storage): ERR=../../stored/dev.c:1943 Unable to truncate 
device "FileStorage" (E:\Bacula-Storage). ERR=Invalid argument
> 
> 25-Mar 21:59 moe-sd: Marking Volume "Vol0071" in Error in Catalog.
> 25-Mar 21:59 moe-sd: Junior.2007-03-25_21.59.31 Fatal error: Job 46 
canceled.
> 25-Mar 20:59 junior-fd: Junior.2007-03-25_21.59.31 Fatal error: job.c:1665 
Bad response to Append Data command. Wanted 3000 OK data
> , got 3903 Error append data
> 
> 25-Mar 21:59 moe-dir: Junior.2007-03-25_21.59.31 Error: Bacula 2.0.3 
(06Mar07): 25-Mar-2007 21:59:40
>   JobId:                  46
>   Job:                    Junior.2007-03-25_21.59.31
>   Backup Level:           Full (upgraded from Incremental)
>   Client:                 "junior-fd" i386-pc-linux-gnu,debian,3.1
>   FileSet:                "Full Linux Root" 2007-03-22 22:56:17
>   Pool:                   "DiskPool" (From Job resource)
>   Storage:                "File" (From Job resource)
>   Scheduled time:         25-Mar-2007 21:59:29
>   Start time:             25-Mar-2007 21:59:39
>   End time:               25-Mar-2007 21:59:40
>   Elapsed time:           1 sec
>   Priority:               10
>   FD Files Written:       0
>   SD Files Written:       0
>   FD Bytes Written:       0 (0 B)
>   SD Bytes Written:       0 (0 B)
>   Rate:                   0.0 KB/s
>   Software Compression:   None
>   VSS:                    no
>   Encryption:             no
>   Volume name(s):         
>   Volume Session Id:      22
>   Volume Session Time:    1174625675
>   Last Volume Bytes:      1 (1 B)
>   Non-fatal FD errors:    0
>   SD Errors:              0
>   FD termination status:  Error
>   SD termination status:  Error
>   Termination:            *** Backup Error ***
> ---------------------Error log-------------------------------
> 
> 
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