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

[Mario Marietto]

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> 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.
> >
>
> --
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>         Systems Administrator           Internet:
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-- 
Mario.
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