Strange backup failure "lock" error

Submitted by soydemadrid on Wed, 10/19/2016 - 16:37 Pro Licensee

Hi sorry to bother you. I'm running Ubuntu 16.04 and every time my server tries a Full Virtual Servers backup everything completes except one error which stops one of the subdomains:

Failed to lock file <tt>/home/domain.com/domains/subdomain.domain.com/.backup</tt> after 5 minutes. Last error was :  at /usr/share/webmin/web-lib-funcs.pl line 1427.

Thanks if you can help or suggest any fixes for this.

Status: 
Active

Comments

Submitted by andreychek on Wed, 10/19/2016 - 17:56

Howdy -- hmm, what output does this command produce:

ls -la /home/domain.com/domains/subdomain.domain.com/.backup

Submitted by JamieCameron on Wed, 10/19/2016 - 21:16

Also, what about :

cat /home/domain.com/domains/subdomain.domain.com/.backup.lock

Submitted by soydemadrid on Sat, 10/22/2016 - 06:55 Pro Licensee

Hi thanks for the help.

The first command gives:

ls -la /home/domain.com/domains/subdomain.domain.com/.backup                                                    
ls: cannot access '/home/domain.com/domains/subdomain.domain.com/.backup': No such file or directory

and the other command gives:

cat /home/domain.com/domains/subdomain.domain.com/.backup                                                    
cat: /home/domain.com/domains/subdomain.domain.com/.backup: No such file or directory

Thanks for any suggestions...

Submitted by JamieCameron on Sun, 10/23/2016 - 16:18

What about :

cat /home/domain.com/domains/subdomain.domain.com/.backup.lock

That should output the PID of the process that is holding the lock, which you can either lookup with the ps command, or kill to force an unlock.

Submitted by soydemadrid on Mon, 10/24/2016 - 02:02 Pro Licensee

Hi that file also no longer exists and today's backup seems to have worked - so does that now mean whatever the error was has corrected itself?

Thanks for the help :)

Submitted by JamieCameron on Mon, 10/24/2016 - 18:37

Looks like whatever was holding the lock before has completed.