Re: Copying a large file from an USB 3 disk (NTFS or EXT4) to another one (UFS/FreeBSD) is a very slow process....

Hello. What happens now if I stop the transfer ? I imagine that I can't
resume it. Do you think that it is a good idea to stop now (I've copied 70
mb over 200) and to restart the transfer using cp -au ?

Il giorno dom 28 nov 2021 alle ore 21:14 Kevin Korb <[email protected]> ha
scritto:

> cp -au is pretty much the same as rsync -au.  I doubt you need any of
> that other stuff you were using.  Especially the one that is a default.
>
> On 11/28/21 15:11, Mario Marietto wrote:
> > Hello. thanks. Can you tell me the most appropriate parameters to use
> > with cp ? U will save me a lot of time. Thanks very much.
> >
> > Il giorno dom 28 nov 2021 alle ore 20:43 Kevin Korb via rsync
> > <[email protected] <mailto:[email protected]>> ha scritto:
> >
> >     rsync is terribly slow at local copies.  Also, it doesn't do its
> normal
> >     optimizing (see --whole-file).  Just use cp.
> >
> >     On 11/28/21 13:38, Mario Marietto via rsync wrote:
> >      > Hello to everyone.
> >      >
> >      > I'm copying a large file from a NTFS formatted disk to another
> >      > one,UFS/FreeBSD disk,both are removable disks attached to the USB
> 3
> >      > port. The file is 200 GB large and it is copied very slowly. Why
> >     it is
> >      > so slow ? I don't know where to store my virtual machines. I
> >     tried to
> >      > save them on the ext4 disk because I wanted to share them easily
> >     between
> >      > Linux and FreeBSD but I've realized that when I mount the disk in
> >      > FreeBSD after some time it corrupts. I tried to store it on the
> NTFS
> >      > disk but it happens the same. So,now I'm on FreeBSD and I'm
> >     copying them
> >      > to a dedicated UFS/FreeBSD style disk,but as I said,the speed is
> >     very
> >      > slow. How can I increase the speed ?. Actually I'm using this
> >      > command,because I want to resume the uploading if it breaks at
> >     some point :
> >      >
> >      >
> >      > root@marietto:/mnt/da3p2/bhyve/Ubuntu # rsync -avAXEWSlHh
> >      > /mnt/da0p1/Backups/OS/bhyve/Ubuntu/im* . --no-compress
> >     --info=progress2
> >      >
> >      > sending incremental file list
> >      > impish-cuda-11-4-nvidia-470.img
> >      >
> >      > 2.13M 0% 9.49kB/s 6284:55:38
> >      >
> >      >
> >      > and : where do you save large files ? what's the procedure that
> >     you use
> >      > to copy large files with a decent speed ? Unfortunately under
> >     Linux is
> >      > not safe to use a RW ufs disk access. So,I'm out of solutions.
> >      >
> >      > -
> >      > Mario.
> >      >
> >
> >     --
> >
>  ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
> >              Kevin Korb                      Phone:    (407) 252-6853
> >              Systems Administrator           Internet:
> >              FutureQuest, Inc.               [email protected]
> (work)
> >              Orlando, Florida [email protected]
> >     <mailto:[email protected]> (personal)
> >              Web page: https://sanitarium.net/ <https://sanitarium.net/>
> >              PGP public key available on web site.
> >
>  ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
> >
> >     --
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> >
> >
> >
> > --
> > Mario.
>
> --
> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
>         Kevin Korb                      Phone:    (407) 252-6853
>         Systems Administrator           Internet:
>         FutureQuest, Inc.               [email protected]  (work)
>         Orlando, Florida                [email protected] (personal)
>         Web page:                       https://sanitarium.net/
>         PGP public key available on web site.
> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
>


-- 
Mario.

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