Re: Official test-cycle-1 images!
On 23-May-2000 Mike Bilow wrote:
> On 2000-05-23 at 23:46 +0200, Raphael Hertzog wrote:
>> Le Tue, May 23, 2000 at 02:41:12PM -0400, Mike Bilow écrivait:
>> > have some people to whom I have given disks who cannot reliably read past
>> > 650,000,000 bytes (619 MB). We are currently pushing the limits on Disk 1
<<snip,snip>>
> All I can tell you is that real CDs burned for real users have been
> reported to fail on their hardware as we make the images larger. By the
> time you get to 650 MB (680e6 bytes), the failure rate is almost 50%.
> This has proven true across different users, different media vendors, and
> different writers.
Humm, I am so easilly confuzed, What exactly is failing
for you when iso images are > 619 MB ???
Being a glutton for punishment, I made a potato-i386 cd,
using debian-cd from todays CVS, that includes Ben's patch
for SIZELIMIT1 . It creates an iso image of this size:
681334784 May 23 07:18 potato-i386-1.raw
Then I burned it that image,
a snippit of the cdrecord output is:
Track 01: data 649 MB padsize: 30 KB
Total size: 746 MB (73:56.00) = 332700 sectors
Lout start: 746 MB (73:58/00) = 332700 sectors
Current Secsize: 2048
Manufacturer: Kodak Japan Limited
Blocks total: 333226 Blocks current: 333226 Blocks remaining: 526
RBlocks total: 343358 RBlocks current: 343358 RBlocks remaining: 10658
Starting new track at sector: 0
Track 01: 649 of 649 MB written (fifo 100%).
Track 01: writing 30 KB of pad data.
Track 01: Total bytes read/written: 681334784/681365504 (332698 sectors).
Writing time: 566.934s
Notice that the Track1 size is 649 MB, while the
input data file is 681334784
Then I installed it on a test machine.
It works!
If you are having trouble burning cd's greater than 619MB
and you are getting a "falure rate of 50%" I am wondering
what exactly is failing for you the burn, or reading the burned CD?
You might want to check your media, or hardware. I don't think
the problem is with debian-cd. I have noticed that "GOLD" CDR's
when used in older CD/ROM readers, sometimes are not readable,
where Silver CDR's are
Just my 2 cents.
--
Jim Westveer <jwest@netnw.com>
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E-Mail: jwest@netnw.com jwest@debian.org
phone: 425-591-3002 Date: 23-May-2000
fax: 425-557-0660 Time: 15:43:39
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