Re: mirror sites with sarge
On 6/22/05, Chris Boot <bootc@bootc.net> wrote:
> Siju George wrote:
>
> >On 6/21/05, Chris Boot <bootc@bootc.net> wrote:
> >
> >
> >>Hi,
> >>
> >>Siju George wrote:
> >>
> >>
> >>
> >>>Hi,
> >>>
> >>>To start with.
> >>>
> >>>I have a set of folders "A" on a computer "Sarge1".
> >>>I have another computer "Sarge2" with a copy of the same set of folders "A"..
> >>>
> >>>The contents of the set of folders "A" on "Sarge1" gets deleted,
> >>>updated, modified continously.
> >>>How can I get those changes on to the set of folders "A" on "Sarge2"
> >>>as soon as possible??
> >>>
> >>>i.e The changes to "A" on "Sarge1" should be propogated to "A" on
> >>>"Sarge2" as quickly as possible.
> >>>
> >>>is running
> >>>
> >>>#rsync -avz root@Sarge1:A root@Sarge2:A
> >>>
> >>>continously as a cronjob the best way to do it???
> >>>
> >>>if so how will I give the password for "root" on "Sarge1" while
> >>>executing the above command in a shell script as a cronjob??
> >>>
> >>>Could someone please guide me if there are better ways of doing the
> >>>propagation of changes??
> >>>
> >>>Thankyou so much
> >>>
> >>>Kind Regards
> >>>
> >>>Siju
> >>>
> >>>
> >>>
> >>>
> >>>
> >>If the machines are very remote then rsync from a cron job is probably
> >>the best way, yep. Look at the ssh manpage about using public-key
> >>authentication so you don't need to type the password (simply create a
> >>key with no password).
> >>
> >>If, however, the machines are really close together you might like to
> >>look into using NFS instead. That was you only need to keep the files on
> >>Sarge1 and mount A onto Sarge2, which will _always_ have the >latest version.
> >>
> >>
> >>
> >
> >Thanks a lot for the reply Chris :-)
> >
> >I want to have two set of copies actually for redundancy.
> >How are the debian mirror sites kept synchronized?? I just wonder!!
> >
> >Kind regards
> >
> >Siju
> >
> >
> The Debian mirror sites use rsync. They run as cron scripts, but also
> have a mechanism of notifying mirrors when the archive changes so a
> mirror can go in and update sooner. You should be able to find the
> details about this on the debian site:
> http://www.debian.org/mirror/ftpmirror.
>
Thanks a lot chris for the info. :-)
kind regards
Siju
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