Subject: CDR-based backup
To: None <current-users@NetBSD.ORG>
From: David Jones <email@example.com>
Date: 04/11/1998 16:19:23
Has anyone experimented with using a CD-R drive as a backup device?
CD-R media sells for $2/disc in Canada. The disc holds >600MB.
Even though it may be write-once, this is incredibly cheap. Is it reliable?
I'm thinking of going this route. Software-wise, I'd need something that
can stage an incremental backup onto a holding disk, convert it to ISO9660
format, then blast it to a single session of a multi-session CD. The holding
disk is required, since the actual burning of the CD must be done in real-
time - you cannot stop writing or let your data stream underrun once the
write operation is in progress.
Is there a limit to the number of sessions on a multi-session CD?
Does backup software of this nature exist anywhere?