[svlug] k3b, to erase or not to erase

Skip Evans skip at bigskypenguin.com
Sun Apr 27 07:42:29 PDT 2008

Hey all,

As I said, I've regularly checked the CD-RW and 
the data is always there and correct. I've pulled 
down files I know had been modified the day before 
and the changes have always been there.

There are not multiple sessions on the CD, only one.


David Fox wrote:
> On Sat, Apr 26, 2008 at 6:39 AM, Skip Evans <skip at bigskypenguin.com> wrote:
>> Hey all,
>>  I have two servers here that every morning at 3am
>>  tar up and gzip all the sensitive stuff: client
> Well, how large is the data set? If it's small, I'd hazard a guess
> that somehow you've set up multisession on that cdrw and K3B is simply
> starting to write from where it left off, but I could be wrong.
> Prior to writing said CD, have you examined it to see what data (if
> any) is present on the disk? Seems to me that would be the first place
> to look to see if your data is getting written and you've got a good
> backup.
> CD-RW longevity depends on a lot of factors. I have a few old reliable
> four-speed cdrw's (Fuji) that just seem to keep on kicking after
> having been written to a number of times. I have garden-variety
> DVD-RW's that I refer to as write once, read never or maybe' as the
> seem that they can never checksum correctly. For instance, when I was
> doing a video project a year or so ago,  I just decided that I'd
> rather make sure my avi's were burned to good media rather than try
> those questionable DVD-RWs even though that meant that I'd not be able
> to reuse them for something else.
> Is there an upper limit on the number of writes CD-RW media are good
> for? That I don't know.

Skip Evans
Big Sky Penguin, LLC
503 S Baldwin St, #1
Madison, WI 53703
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