[nflug] backups on an nfs server

[Dennis Ruzeski]

It's fairly simple and quite common to set up passwordless ssh between
trusted hosts for a non-privileged user.

I'll post a link or two on easy ways to do it later.

--Dennis



On 8/4/06, eric <eric at bootz.us> wrote:
>
> is it proper to automate a ssh login?
>
>
> Mark Musone wrote:
>
> >I'm a little cleared up, but now you are mentioning a samba server..so
> I'm
> >all confused again :)
> >
> >Heres what my opinion is:
> >
> >It would be much better to run the backups on the local fileserver.
> >
> >If you are saying the fileserver does not have that much space, I would
> then
> >still try to do the backup locally, and then transfer the complete backup
> >file wherever else afterwards.
> >
> >You can even do both together by simply piping tar into ssh (which is an
> >extremely common way to do backups):
> >
> >"tar cf - / | ssh destserver dd of=/dest/server/filename/"
> >
> >The point being that when you are tarring a file, it does a LOT of
> >filesystem lookups for each and every file that goes into the tarball.
> >Secondly, it needs to handle file locking. Doing tons of fstats() and
> file
> >locks would end up being expensive and slightly unreliable, and slow.
> >
> >You want to try and do all of the on your local system, which would
> >eliminate or considerably speed it up. You can then transfer the single
> >tarball over the network..or even get crazy and just copy it via nfs or
> >samba. You're only dealing with a single file now, so the above converns
> are
> >moot.
> >
> >-Mark
> >
> >
> >
> >-----Original Message-----
> >From: nflug-bounces at nflug.org [mailto:nflug-bounces at nflug.org] On Behalf
> Of
> >eric
> >Sent: Thursday, August 03, 2006 3:13 PM
> >To: nflug at nflug.org
> >Subject: Re: [nflug] backups on an nfs server
> >
> >Mark I was very unclear how explained, my apologies.  Your answer was my
> >question would it be better to just run tar on the nfs server itself and
> >then running -u after the intial tar package is created... I said
> >increment because I was used to ntbackup which is similar or the same
> >thing as -u update in tar
> >
> >my only concern for running the backup on the samba server was their is
> >limited space and I want to have a monday - friday backup which would
> >eat all the space, thus I put the backups on a larger server the nfs
> server.
> >
> >Thank you,
> >Eric
> >
> >Mark Musone wrote:
> >
> >
> >
> >>Why can't you just run the tar on the server itself?
> >>What do you mean by "incrementing" ?
> >>
> >>-Mark
> >>
> >>
> >>-----Original Message-----
> >>From: nflug-bounces at nflug.org [mailto:nflug-bounces at nflug.org] On Behalf
> Of
> >>eric
> >>Sent: Thursday, August 03, 2006 1:30 PM
> >>To: nflug at nflug.org
> >>Subject: [nflug] backups on an nfs server
> >>
> >>which would be better with a mounted nfs share from a nfs server.
> >>
> >>executing a tar and gzip command to package a home dir on the servers
> >>share from the client or
> >>executing a tar and gzip command to package a home dir on the client and
> >>then moving the package to the servers share?
> >>
> >>
> >>I will want to increment files once a full backup is created, so I'm not
> >>sure which would be better in the long run.
> >>What seems to be quicker is to execute the increment on the share across
> >>the network instead of always moving/coping a large package from client
> >>to server.
> >>
> >>Thank you for your input,
> >>Eric
> >>
> >>
> >>
> >>
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> >>
> >>
> >
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