Comment 3 for bug 1642408
Revision history for this message
| David (davidmorr) wrote Re: [Bug 1642408] Re: Big blocks are actually slower | #3 |
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a60fb26
(Get the code!)
I had a try copying 64 blocks at a time and it was going to be slightly
longer than 128. So it seems that 128 is the sweet spot.
On 18/11/16 8:25 , Hamish McIntyre-Bhatty wrote:
> Hi,
>
> Yeah I've found that USB drives are just generally slow for this,
> especially if using reverse mode, especially (for some unknown reason)
> using direct disk access on Mac OS X (are you using OS X?).
>
> I'm not sure why this happens, but if the above cases are your situation
> you could try lowering to the smallest option. I may add more options or
> try to be more intelligent about it in a future release.
>
> Hamish
>
> ** Changed in: ddrescue-gui
> Importance: Undecided => Wishlist
>
> ** Changed in: ddrescue-gui
> Assignee: (unassigned) => Hamish McIntyre-Bhatty (hamishmb)
>
> ** Changed in: ddrescue-gui
> Milestone: None => 1.6.1
>
> ** Changed in: ddrescue-gui
> Status: New => Invalid
>