Les Mikesell wrote:
Hervé Richard wrote:
Since you have 2 disks, you could just start from scratch on one of
them and wait until it has a complete set before you swap again.
Another approach is to always run on an internal drive, but
periodically image-copy to a matching external disk that you rotate
offsite. I do it that way myself but recently switched from
firewire externals to a swappable SATA enclosure. I do the
mirroring with software raid, but it would work as well to unmount
the partition temporarily and dd it.
By "start from scratch" you mean comment the backuped host in the
"hosts" file, let BackupPC running and deleting all backup made?
Or what I have to delete manually?
You can go as far as making a new file system on one of the drives and
copying over everything except the contents of cpool and the backups
under the pc directories. Or, if backuppc_Nightly is working now you
might not need to start over.
I made some modif in the main config.pl file and reloaded the config
file then I saw some cleanup among the old backup (maybe it's a
coincidence).
The only strange thing is that I have an old full backup from 32 days
remaining among 3 full and I only keep 2 full.... :-/
Seems that BackupPC didn't delete this one. I'll wait till the nightly
Incr goes on and see tomorrow if this old backup still there...
If it doesn't work I'll delete files under cpool and backup under pc
directories (if I understood well, copying over and omitting content of
cpool and files under pc dir is same as said) as you said and start
fresh backup...
For now backup hdd is connected as JBOD to the main RAID controller.
I made a script which is executed via Webmin to stop/start backuppc,
umount/mount the hdd, remove it from RAID controller/rescan the
controller for new inserted disk.
Nice tips you told here :-)
With a swappable SATA enclosure I could dd one backup of 2 weeks on
one hdd and the backup of the following 2 weeks on the other one and
do the rotation... I'll think about it.
My current system is using one of these with 750 gig drives:
http://www.startech.com/Product/ItemDetail.aspx?productid=HSB320SATBK&c=US
and I use mdadm to fail/remove/add the disks that rotate, momentarily
stopping backuppc and unmounting to get a clean filesystem.
On a smaller system I might consider the laptop-form external USB
drives that you can get in sizes to 250 gigs now and just unmount and
dd the internal partition to it.
Thanks for the tips and help :-)
I'll let you know how it goes.
Cheers,
Hervé
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