Copying a large file from an USB 3 disk (NTFS or EXT4) to another one (UFS/FreeBSD) is a very slow process....
Mario Marietto
marietto2008 at gmail.com
Sun Nov 28 20:22:36 UTC 2021
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 <kmk at sanitarium.net> 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
> > <rsync at lists.samba.org <mailto:rsync at lists.samba.org>> 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 at 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. Kevin at FutureQuest.net
> (work)
> > Orlando, Florida kmk at sanitarium.net
> > <mailto:kmk at sanitarium.net> (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. Kevin at FutureQuest.net (work)
> Orlando, Florida kmk at sanitarium.net (personal)
> Web page: https://sanitarium.net/
> PGP public key available on web site.
> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
>
--
Mario.
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