Re: [Nolug] Fastest way to create a local mirror of a huge tree?

From: B. Estrade <estrabd_at_gmail.com>
Date: Wed, 7 Sep 2011 05:46:39 -0500
Message-ID: <CALSf6fTNseV=j5N6+zCFXtayb8r8rw9dL_9LLuNLyM+GOGiVeg@mail.gmail.com>

I like the dd (over ssh) idea.

B. Estrade <estrabd@gmail.com>
On Sep 7, 2011 12:23 AM, "Jimmy Hess" <mysidia@gmail.com> wrote:
> On Tue, Sep 6, 2011 at 10:21 PM, Ron Johnson <ron.l.johnson@cox.net>
wrote:
>> The mirror doesn't exist yet, so rsync's clever data-minimizing
algorithms
>> aren't valid. (Also, there are lots of symlinks that need be preserved.)
>> 1. cp -av /data /mnt/backups/data
>> 2. cd /data && tar -cvf – . | (cd /mnt/backups/data && tar -xpvf -)
>> 3. rsync -avz --stats --progress /data /mnt/backups/data
>>
> Netcat + XZ or gzip + CPIO or tar.
>
> nc otherhost portnumber | xz -d | cpio -idm
> find pathname -print | cpio -o -Hnewc | xz -1 | nc -l portnumber
>
> Then rsync to reconcile.
>
>
> If on a dedicated partition, consider a block-based tool that won't
> need to traverse the filesystem
> directory structure and won't need to copy unused disk blocks, e.g.
partimage.
>
> --
> -JG
> ___________________
> Nolug mailing list
> nolug@nolug.org

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Received on 09/07/11

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