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тАО11-20-2003 04:30 AM
тАО11-20-2003 04:30 AM
I first make a full backup then I make an incremental backup. But the incremental backup saves all the full did. How come?
greetings,
Michael
fbackup -f home0 -0 -g graph.incremental -d datum.incremental -I index0.incremen
tal
fbackup -f home1 -1 -g graph.incremental -d datum.incremental -I index1.incremen
tal
Solved! Go to Solution.
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тАО11-20-2003 04:44 AM
тАО11-20-2003 04:44 AM
Re: fbackup incremental backups all
/var/adm/fbackupfiles must be created prior to the first time fbackup
is used for incremental backups.
Did you created it ?
Massimo
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тАО11-20-2003 04:52 AM
тАО11-20-2003 04:52 AM
Re: fbackup incremental backups all
# ls -l /var/adm/fbackupfiles
total 2
-rwxr----- 1 root sys 246 Nov 19 23:22 dates
you see, it exists.
thanks
Michael
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тАО11-20-2003 04:58 AM
тАО11-20-2003 04:58 AM
Re: fbackup incremental backups all
Where are these files datum.incremental ?
Quoting from "man fbackup"
-d path This specifies a path to a database for use with
incremental backups. It overrides the default database
file /var/adm/fbackupfiles/dates.
Try putting everywhere absolute patchnames...
Massimo
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тАО11-20-2003 05:01 AM
тАО11-20-2003 05:01 AM
Re: fbackup incremental backups all
I just want to figure out, whats wrong. The file is in the directory I start the fbackup. But strangely enough, it doesnt touch it.
thanks,
Michael
# ls -l
total 520
-rw------- 1 root sys 246 Nov 19 23:22 datum.incremental
-rw------- 1 root sys 8 Nov 20 17:07 graph.incremental
-rw------- 1 root sys 130048 Nov 20 17:09 home0
-rw------- 1 root sys 130048 Nov 20 18:27 home1
-rw------- 1 root sys 1645 Nov 20 17:09 index0.incremental
-rw------- 1 root sys 1645 Nov 20 18:27 index1.incremental
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тАО11-20-2003 05:12 AM
тАО11-20-2003 05:12 AM
Re: fbackup incremental backups all
# fbackup -f home0 -0 -g graph_file
# fbackup -f home0 -1 -g graph_file
OR, try doing simple bakcups from SAM (it's easy) and find out what's wrong with your syntax or the input files.
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тАО11-20-2003 02:15 PM
тАО11-20-2003 02:15 PM
Re: fbackup incremental backups all
Refer to the fbackup(1M) manpage.
http://docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/B9106-90008/B9106-90008_top.html&con=/hpux/onlinedocs/B9106-90008/00/01/111-con.html&toc=/hpux/onlinedocs/B9106-90008/00/01/111-toc.html&searchterms=fbackup&queryid=20031120-200955
HTH.
Regards,
Hemanth
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тАО11-20-2003 06:10 PM
тАО11-20-2003 06:10 PM
Solutionyou forgot the -u option which updates the database!
Without it all levels will cause a full backup, or will be related to the last update.
regards,
Thierry.
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тАО11-20-2003 10:28 PM
тАО11-20-2003 10:28 PM
Re: fbackup incremental backups all
Thierry is right!
For example you should use
-full backups:
fbackup -f home0 -u0g graph -d datum.full -I index0.full
-incremental backups:
fbackup -f home1 -u1g graph -d datum.incremental -I index1.incremental
and so on...
graph file contains -i or -e options.
Anyway the most important thing is -u option which creates and updates the database file (default is /var/adm/fbackupfiles/dates).
For your info:
************************************
Incremental saving
The incremental backup is used for saving the data which has been modified
since the last full backup. This means that you do not always have to perform a
full backup with a long run time. The procedure for incremental backups is as
follows:
Full backup specifying a graphfile and the parameters -0 and -u.
-u is used to enter the start and the end of the backup in the file dates. This
file will be required for later incremental backups. An entry is only made in
dates when the backup has been completed successfully.
/var/adm/fbackupfiles/dates
Performing an incremental backup specifying the graphfile. You absolutely must
specify the same graphfile since otherwise the incremental backup produces a
full backup of the specified file system. This also means that the options -i
and -e must not be used.
Fbackup reads during an incremental backup the specifications in dates and
compares these time stamps with each file:
Fbackup saves the file if:
The file's modification date is after the start of the last full backup entered
in the file dates with the same graphfile
************************************
Of course it explains about /var/adm/fbackupfiles/dates, the default file but you can use another file with -d option (you already konw it ;-)).
I hope this helps you.
Best regards,
Ettore
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тАО11-21-2003 01:25 AM
тАО11-21-2003 01:25 AM
Re: fbackup incremental backups all
we have found out by ourselves in the meantime. We have forgotten the -u.
thanks for all comments,
Michael
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тАО11-21-2003 01:37 AM
тАО11-21-2003 01:37 AM
Re: fbackup incremental backups all
The backup know info of the backup previous is the following conditoins are true:
1)the options -u is used
2)the options -i and -e is not used
3)the file of diagrams is used
4)The backup is OK
Regards
Bruno