Re: extremely slow copy speed (50k/s)

[vinícius mota <vcmota78@xxxxxxxxx>]

Hi guys, Tony's suggestion has solved the problem. I downgrade via yum, restarted the computer and its all ok. In fact, I believe it is much better than before the problem. I am pretty sure that before the problem I was making copies into my backup disk at a speed around 10M/s. Right now I am making a backup of the folder containing my work, with 21G, and it is happening at a speed of 33M/s. The fact that it is now much better than before I can't understand (I imagine that the downgrade has installed the version I had before february 4, and it should therefore be working as before), but that is another problem.

Thank you all very much! I am posting either the link of this discussion (I don't know if it is possible) or the solution for the problem in fedora.forum, since I imagine other people will start to experience it too. Thank you again!

On Fri, Feb 18, 2011 at 3:31 PM, Tony Molloy <tony.molloy@xxxxx> wrote:

On Friday 18 February 2011 15:17:27 Ron Leach wrote:

> > It seems therefore to be a problem in the software, caused by the updates,

> > since until 10 days ago it was everything ok. However, I usually make the

> > updates whenever they appear but make my backups much less frequently.

> > Therefore I don't know for sure what has changed in Fedora through the

> > updates since the last backup I made, when everything was working fine.

> > Here is the line of my /etc/fstab file which defines my backup disk, with > > the label common

>

> > LABEL=common /home/vinicius/Desktop/common ntfs

> > auto,user,sync 0 0

>

> Am I correct in thinking that 'sync' disables write-caching? It might

> be interesting to change that, and see if performance is still just as

> bad.

>

> Best of luck, Ron

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Can't help with your problem but on Fedora 14

ntfs-3g-2011.1.15-1.fc14 Fri 04 Feb 2011 06:47:18 GMT

So the ntfs drivers were updated in early february about when you say the problem started.

You could try and downgrade the drivers and see if that sorts out your problem

Tony

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