[ag-automation] Problem reading RBF filesystem on SCSI disk

[Carsten Emde]

Piotr,

>> another possibility is that the generic SCSI layer is buggy. In the file
>> drivers/scsi/sd.c there is - around line 400 - a section that reads:
>> [..]
> I found a workaround to read 256-Byte/sector SCSI hard disk.
> The trick is to use sg_dd with blk_sgio=1 option.
> (sg_dd is part of genooto's sys-apps/sg3_utils  package)
> 
> When blk_sgio is set to 1, block devices are assumed to accept the
> SG_IO ioctl and SCSI commands are issued for IO.
> 
> Issuing command:
>     sg_dd if=/dev/sda of=/tmp/dump.img blk_sgio=1 bs=256
> dumps proper disk image.
> 
> Now I cant mount disk image via loop:
>     mount -o loop -t rbf /tmp/dump.img /mnt/os9 -o sector=256
> 
> Not a real solution, but it works for me ;-)
Great, thanks for letting us know. I will add this information to the 
RBF project description.

	Carsten.