On Sat, 2006-05-13 at 06:27 -0500, David Peterka wrote:
> Hello,
>
>
>
> I just started using rdiff-backup to backup some boxes and playing
> around with cron, I’m wondering if anyone has scripted anything to
> back up stuff in parallel.
Hi David,
I use make for it and it works just great.
Simplified example of makefile:
---
#
# /srv/admin/Makefile.rdiff-backup
#
HOSTS = host1 host2 ...
all: $(HOSTS)
$(HOSTS):
/usr/local/Python/bin/rdiff-backup \
--preserve-numerical-ids \
--remote-schema 'ssh -c blowfish %s /usr/local/Python/bin/rdiff-backup
--server --restrict-read-only /' \
--exclude-globbing-filelist /srv/admin/rdiff-backup.exclude \
$@::/ $@/
.PHONY: all $(HOSTS)
---
I call it from cron like:
cd archive_dir && make -j4 -s -f /srv/admin/Makefile.rdiff-backup all
You can choose how many backup jobs to run at once with -j parameter.
Check your network load and backup server capability.
Before rdiff-backup I used to ssh to hosts, run tar/bzip on them and
pipe output to archive server. Run 7 backup jobs in parallel.
I also redirect 2>&1 and filter output for some known warnings
(usually /var/log files changed during backup, etc), otherwise cron will
bug you too much.
Regards,
Vadim
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