On Tue, 14 May 2013, Jason White <jason@jasonjgw.net> wrote:
Do they not read back the media and verify hashes before considering the product ready for sale? If there's a high failure rate, customer dissatisfaction is likely to be an issue, especially in the highly connected Linux market where reputations count so much.
I haven't had any problems with CD burning. For my own use I don't bother verifying the media and it hasn't been a problem for me. I would be surprised if DVDs were that much use.
As an aside, are flash devices any more reliable? I also remember the days of floppy disks when you could turn on verification so that every write was followed by a read of the same sectors, a performance cost but usually worth it in circumstances demanding higher levels of assurance.
Has anyone here had problems with flash drives? I haven't. The only read errors I recall are the ones from when I used USB flash devices for the root and /var/cache/squid filesystems. I have started to use BTRFS for flash drives so silent data corruption at the storage layer will be apparent. In the past when using filesystems such as Ext3 it's possible that some files were silently corrupted. However I have used USB devices for large gzip compressed files and the fact that they could be decompressed is proof that they were OK. -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/