Re: rsync and compressed data.
- From: habibielwa7id <fouad012@xxxxxxxxx>
- Date: Thu, 16 Oct 2008 03:31:49 -0700 (PDT)
On Oct 15, 9:24 pm, noi ance <n...@xxxxxxxx> wrote:
On Wed, 15 Oct 2008 02:02:38 -0700, habibielwa7id typed this message:I like to keep many copies from the mail box so if any user deleted
On Oct 14, 9:24 pm, noi ance <n...@xxxxxxxx> wrote:
On Tue, 14 Oct 2008 04:58:21 -0700, habibielwa7id typed this message:
On Oct 14, 10:30 am, Jasen Betts <ja...@xxxxxxxxxx> wrote:
On 2008-10-13, habibielwa7id <fouad...@xxxxxxxxx> wrote:
Can we use the command rsync between compressed and not compressed
the data at both ends should be the same
If this can be dome, It will be nice so I can save space. Regards,
if you can compress both ends, rsync can handle gzipped data
Yes but I wish it it's possible to use it to rsync between ordinary
files and a copy from it which is compressed. -I will tell you my
situation so you may have any suggestions, I use rsync to backup my
mail server data, And I have a limited space on the backup server.
And so I though to find away to compress the data on the backup
server. But this way the rsync command will not be able to update the
files on the backup server because it's compressed and the source
data isn't compressed. what may be dome?
You could compress the mail server data to temporary file(s) on the
mail server, rsync the compressed files to the backup server and then
delete the temporary file(s) on the mail server.
Yes but this way I will have to change the way I backup my data. You
know that rsync only update the changed files from the previous copy.
And so it works fine to give me a current copy from my data. But if I
will compress it on the source machine I will have to copy the whole
compressed data to the destination machine, So what do you see is best
for the performance of the network and the machines, To move a complete
compressed file from the data to the backup server or to rsync the data
without compression as I do now? Regards and thanks for all the good
thoughts from you all,
I see. You're trying to use rsync to make incremental changes? I guess
that works depending on what's changed.
Anything you do would have to changed the backup procedure. If you're
backing up a directory then everything in the directory is backed up if
one file in the directory changes. If you're backing up individual files
then how would you know which files to restore? If the backup server is
just for backups, then you could keep 2 generations of the compressed
mail server data on the backup server. I'm not running a mail server but
I get 50% compression on my maillbox which includes some pics and audio
important email and later he needs it again , I can restore it to him
from the backups.
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