Hello,
I have been having a problem making iso images with dd on my cdroms. I get
an i/o error at the end of the cd. The cd iso file sizes seem to be
correct but the errors worry me a bit. I tried dd with multiple cds and on
both cdrom drives. I have a techram dc-390u2w card and I have a u2 ibm
drive, teac CD-R55S, teac CD-ROM CD-532S, and an external iomega zip
100. I am running linux Mandrake 6.1 on an Abit Bp6 with dual 400mhz Cpus.
Card Connectors:
u2w--| (ID0)u2 IBM ---> {external adapter} (ID6)External Zip --->
Terminator|
uw----| (ID2)CD-ROM CD-532S ----> (ID4)CD-R55S ----> terminator|
CD-R55S
---------------------
[root@500smp /root]# dd if=/dev/scd1 of=mandrake.iso
SCSI CD error : host 0 id 4 lun 0 return code = 28000002
Info fld=0x4c5c9, Current sr0b:01: sense key Blank Check
CD-ROM I/O error: dev 0b:01, sector 1251108
dd: /dev/scd1: Input/output error
1251108+0 records in
1251108+0 records out
SCSI CD error : host 0 id 4 lun 0 return code = 28000002
Info fld=0x4c5ca, Current sr0b:01: sense key Blank Check
CD-ROM I/O error: dev 0b:01, sector 1251112
CD-ROM CD-532S
---------------------
[root@500smp /root]# dd if=/dev/scd0 of=scd0.iso
scsi0: MEDIUM ERROR on channel 0, id 2, lun 0, CDB: Read (10) 00 00 04 66 d1 00
00 02 00
Info fld=0x466d1, Current sr0b:00: sense key Medium Error
Additional sense indicates Unrecovered read error
CD-ROM I/O error: dev 0b:00, sector 1153860
dd: /dev/scd0: Input/output error
1153860+0 records in
1153860+0 records out
scsi0: MEDIUM ERROR on channel 0, id 2, lun 0, CDB: Read (10) 00 00 04 66 d2 00
00 01 00
Info fld=0x466d2, Current sr0b:00: sense key Medium Error
Additional sense indicates Unrecovered read error
CD-ROM I/O error: dev 0b:00, sector 1153864
Any suggestions would be helpfull!
Jake Johnson
Information Technology Desktop Support Intern
Dempsey 207
.^.
/V\ Linux!
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