Herta Van den Eynde wrote:
On 10/03/2008, Rodrick Brown <rbrown@xxxxxxxxxxxxxxx> wrote:
tar cvfp - . | ssh -c blowfish remote '(cd /storage/archive; tar xvf - )'
-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx [mailto:
redhat-list-bounces@xxxxxxxxxx] On Behalf Of Mad Unix
Sent: Monday, March 10, 2008 9:29 AM
To: General Red Hat Linux discussion list
Subject: Re: rsync or rdist
any one have acript to do the remote transfer ...
On Mon, Mar 10, 2008 at 3:17 PM, Herta Van den Eynde <
herta.vandeneynde@xxxxxxxxx> wrote:
On 10/03/2008, Mad Unix <madunix@xxxxxxxxx> wrote:
I need a script transfer archive log files from Production site
Server1 to DR site Server2 on the same subnet
i want to sync the files between /arc with /storage/archive on both
servers ....
--
madunix
AFAIK, rdist copies entire files. rsync only copies the blocks that are
different.
Note also that you can run rsync through ssh for a more secure transfer.
Kind regards,
Herta
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madunix
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Looks like a complicated way to do what a simple 'scp -pr source target'
will accomplish. Or am I missing something?
Rodrick does have a point, though: if you simply want to copy new files from
server A to server B, a simple copy will be faster than rsync, as you don't
need the comparison phase. But scp will be faster than the tar - transfer -
untar.
Kind regards,
Herta
well if scp inherits the same limitation of rcp -r then it wont take
links with it.
tar picks up all links, but does not follow them.
I would always use a variation of the tar command given above for
complete directory copies, from one system to another, however would add
the "B" modifier to the example given above to ensure that tar Blocks
for pipes/network.
However rsync would be a much better option if say a DR host needs to be
kept in sync with a production, as rsync can be configured to to
incremental updates, ie only copy changes, and where files are deleted
on the source delete them at the dest, maintaining a complete mirror of
two directories across a network.
it could be cron's to run every few mins.
regards peter
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