Christian,
I've run BackupPC on zfs for several years. As you point out there is a
lot of overlap between the features of BackupPC and COW file systems.
However, BackupPC is not designed to take advantage of COW filesystems
specifically.
My observations:
1. I saw minimal benefit from zfs
I have a BackupPC server running in a jail on FreeBSD 10. The system
mostly works, but recently I've noticed that the BackupPC parent process
is frequently needing to be restarted. I even went to the length of
having a cron job that checks for the existence of the 'BackupPC -d'
process and
I've been using a powershell script to create shadow copies and link
them to the filesystem in order to expose them to rsyncd. This works
with my oldish copy of DeltaCopy rsync, but when I use the current
cygwin-rsync package from the BackupPC web site I'm not able to follow
the link.
If I
I have a bash script that runs on the BackupPC server as DumpPreUserCmd.
I'd like to have the script catch a signal and clean up it's files if a
backup get's canceled while the script is running. So far I'm trapping
INT, TERM, ABRT and ALRM but not getting what I want.
Does BackupPC send
is a function that removes the
hostname.html file and returns an appropriate error value.
Russ Poyner
On 07/24/14 14:36, Russell R Poyner wrote:
I have a bash script that runs on the BackupPC server as DumpPreUserCmd.
I'd like to have the script catch a signal and clean up it's files if a
backup
I'm in the process of building a BackupPC set up for about 200 users.
The possibility of incrementals forever that looks to be available in
V4 is quite appealing. My experience backing up windows PC's with V3 has
been that the fulls take a long time and are much more likely to fail
than
Mark,
Questions, and some comments.
Questions:
What have you done to tune your zfs?
Do you use a ZIL? and or an L2ARC?
How much ram do you have?
What compression level are you using on zfs?
I reflexively put a ZIL on my system but I'm curious if anyone has
experimented with BackupPC
95% capacity with
just 3 backups before. I guarantee that were I storing more backups, my 7.5
fold reduction would skyroc
ket even higher.
Thanks,
--Mark
-Original Message-
From: Russell R Poyner [mailto:rpoy...@engr.wisc.edu]
Sent: Tuesday, December 17, 2013 11:12 AM
At my last job I built a BackupPC setup that worked well for windows
desktops using vss and rsyncd.
In my new position I'm looking for options for backing up laptops and
tablets. Most of these machines rarely connect to our wired network or
vpn. Which means they are normally separated by our
