Reading more sectors in one go gives higher transfer rates. So why does ddrescue behave that way ?
It gets a error response from kernel and assumes the sectors are unreadable ? Regards, David -----Original Message----- From: Antonio Diaz Diaz <[EMAIL PROTECTED]> To: [email protected] Cc: xerces8 <[EMAIL PROTECTED]> Date: Wed, 03 Dec 2008 01:12:17 +0100 Subject: Re: [Bug-ddrescue] Weird behavior with options -d and -c > xerces8 wrote: > > When I add "-d -c 1500" to the command line, ddrescue does not copy, > > but as it says "Splitting error areas...". > > Also it says : errsize: 640 GB > > Do you mean "weird user behaviour". ;-) > > Why are you asking ddrescue to read 1500 sectors (768kB) at a time > directly from the drive? I suppose your drive does not have an internal > buffer so big. See the kernel log messages to confirm it. > > > Regards, > Antonio. _______________________________________________ Bug-ddrescue mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-ddrescue
