[nflug] backups on an nfs server

[Mark Musone]

Beat ya! :-)

 

-Mark

 

 

  _____  

From: nflug-bounces at nflug.org [mailto:nflug-bounces at nflug.org] On Behalf Of
Dennis Ruzeski
Sent: Friday, August 04, 2006 1:36 PM
To: nflug at nflug.org
Subject: Re: [nflug] backups on an nfs server

 

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
<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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