On Saturday 14 Mar 2015 00:24:30 Mick wrote:
> On Friday 13 Mar 2015 22:24:32 Neil Bothwick wrote:
> > On Fri, 13 Mar 2015 17:54:01 +0000 (UTC), Grant Edwards wrote:
> > > IIRC, there are ebuilds for ddrescue, photorec, and testdisk.
> >
> > There's also app-cdr/dvdisaster.
>
> Thank you all. dd and ddrescue don't work, because the block device is not
> recognised. I had already tried this with not success.
>
> dvddisaster requires to have created a file with error correction ("ecc")
> data in advance of the hardware failure, then use that to recover the lost
> bits.
>
> readcd is great - thanks Joerg! However, this is what I got in my first
> attempt:
> =================================================================
[snip ...]> ================================================================= > > Does this above mean that the first sector is damaged? How to proceed from > here? I tried various options and I invariably end up with a sector 0 error: Enter selection: 9 (0 - 20)/<cr>:11 Capacity: 250000 Blocks = 500000 kBytes = 488 MBytes = 512 prMB Sectorsize: 2048 Bytes Ignore disk size? yes Copy from SCSI (0,0,0) disk to file Enter filename [disk.out]: disk5.out Enter starting sector for copy: 0 (0 - 9999999)/<cr>: Enter number of sectors to copy: 10000000 (1 - 10000000)/<cr>: Enter number of sectors per copy: 64 (1 - 64)/<cr>: end: 10000000 readcd: Input/output error. read_g1: scsi sendcmd: no error CDB: 28 00 00 00 00 00 00 00 40 00 status: 0x2 (CHECK CONDITION) Sense Bytes: 70 00 03 00 00 00 00 12 00 00 00 00 11 00 00 00 Sense Key: 0x3 Medium Error, Segment 0 Sense Code: 0x11 Qual 0x00 (unrecovered read error) Fru 0x0 Sense flags: Blk 0 (not valid) cmd finished after 1.964s timeout 40s readcd: Input/output error. Cannot read source disk readcd: Retrying from sector 0. .~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~- ~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~ readcd: Input/output error. Error on sector 0 not corrected. Total of 1 errors. The resultant disk5.out is 0 bytes. Even when I try to start from sector 1 or 2, I end up with 0 byte output file. Any other settings I could try? -- Regards, Mick
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