On 10/03/2008, peter winterflood <peter.winterflood@xxxxxxxxxx> wrote: > > 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 > >>> > >>> -- > >>> "Life on Earth may be expensive, > >>> but it comes with a free ride around the Sun." > >>> -- > >>> redhat-list mailing list > >>> unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > >>> https://www.redhat.com/mailman/listinfo/redhat-list > >>> > >>> > >> > >> -- > >> madunix > >> -- > >> > >> > > 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 > You're right, Peter. Both scp and rsync ignore softlinks to files, and hardlinks are converted to regular files. Named pipes aren't copied properly either. Kind regards, Herta -- "Life on Earth may be expensive, but it comes with a free ride around the Sun." -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
