Godfrey, My point of view is that you haven't validated that you can recover your pictures from the data until you actually do such, or at least do a sample. To say the bits and bites are all the same implies no other glitches in the process. Regards, Bob S.
On 4/3/08, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: > I run a drive/file system validation utility about once every month > or two on my archives. It's too much work to do that frequently on > the small capacity media like CD and DVD ... loading and unloading > 200-300 of these volumes is days of tedious work ... so I concentrate > doing that for the hard drive archive systems only. Mount a terabyte > drive, say "validate it" and come back in a couple of hours. All the > hard drive archives are twinned disks so if there's a problem with > one, the other is likely just fine and I dump the bad, replace it, > recopy the data. (It's not happened in the past four years of doing > it this way ...) > > For the small media, I just make two copies and store them carefully. > So far, on spot checks, they're all fine. If I find a bad one, I'll > make another copy of the good one. > > Replication, replication... > > Godfrey > > On Apr 3, 2008, at 11:01 AM, Bob Sullivan wrote: > > I understand the need for archival storage and try to do some. > > My main fear is the amount of data I manipulate now and will in the > > future. > > With a large amounts of data, checking the conditions of the back-up > > becomes an issue. > > Some of us have encountered problems where the backup hasn't worked > > for the last 15 months. > > You only find that out when you try to go back and retrieve something. > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
