False Positive backups.

[Gale_De_Los_San]

Has anyone noticed false positive backups due to files that were deleted during a backup???

i.e.
The bpbackup log of a job shows the following:

INF - Client completed sending data for backup
INF - Server status = 0
INF - Backup by root on client using policy , sched user_backups: the requested operation was successfully completed.

BUT... in the body of the log file .. there were some files that were not backed up:

12:40:10 WRN - Cannot lstat . Errno = 2: No such file or directory
12:40:10 WRN - Cannot lstat . Errno = 2: No such file or directory
12:40:13 WRN - Cannot lstat . Errno = 2: No such file or directory
12:40:14 WRN - Cannot lstat . Errno = 2: No such file or directory
12:40:14 WRN - Cannot lstat . Errno = 2: No such file or directory
12:40:16 WRN - Cannot lstat . Errno = 2: No such file or directory

This has become a very serious issue lately that may have affected us for a long time. I'll double check the documentation regarding this kind of error checking again before opening a high level case with Symantec.

[Dennis_Strom]

you must be running 6.0. Bob has posted quite a bit on this. I think it was supposed to be fixed in MP3.

[Gale_De_Los_San]

I'm on 6.0 MP3 ...

Doing the MP4 upgrade this weekend (fingers crossed).

[Dennis_Strom]

windows or unix?

[Gale_De_Los_San]

Solaris 10

[zippy]

this is for older version of Netbackup, but it may help.

http://seer.support.veritas.com/docs/276440.htm

man lstat

Strange stuffMessage was edited by:
James Dunn

[Chuck_Stevens]

What directive are you using for the backup? "ALL LOCAL FILES", or a specific list?

[Stumpr2]

I saw something like this on a stale mounted NFS system.
Perhaps there is a busted link?

maybe the permisiions on a directory is set to not allow root to transverse?
dr--------

or even the files could have the permissions set to
---------

or something similiar

I hope this isn't the case
An issue in NetBackup has been recently discovered in which files are inappropriately removed from an NFS mounted partition when that partition is included in the path selected for an archive operation. This issue only affects UNIX platforms.
http://support.veritas.com/docs/284450Message was edited by:
Bob Stump

[Gale_De_Los_San]

Specific list.
This is a UserBackup.

There are other files in the same directory that are successfully backed up.

I am just miffed that NetBackup throws out a Status = 0 while there are actually files that were NOT backed up that were supposed to be backed up.

I also have a case opened with Veritas/Symantec regarding this issue.

[Dennis_Strom]

if it is a usr backup it looks like the technote that James provided may have the solution. Yep the false positive is not good.

[Gale_De_Los_San]

Even more pertinent to the issue at hand... :(

http://seer.support.veritas.com/docs/243523.htm

... thanks to one of the Australian Veritas support team members.

Seems like this has been an issue since 2002!!!!

I wonder how many other Veritas NetBackup users have been bitten hard with this bug. I'll be bringing this up to the powers that be... This bug has resulted in lost critical data :(