On Saturday, 17 February 2018 23:56:31 GMT Ralph Corderoy wrote: > The NAS offered a `reformat'? How long did it take?
It's part of the build process. The NAS offers Raid 0, Raid 1, etc and as part of the process formats the drives. It seems to be a special format in D-Link boxes, because Kubuntu didn't recognise the format. > Kill it off then start from scratch tomorrow morning, assuming ten hours > for a disk? Actually 30 hours for disc, 10 hours for a pass. The command that I used does three passes. > Drives have an internal `erase' method, but over USB probably isn't a > good way to play with it. > https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase There are enough warnings there to sink a battleship. I'll stick to traditional methods. > Re-assemble the NAS, see the empty (mirrored?) drives, copy innocuous > stuff onto it over and over until `full'. `Erase' again for sale? It also takes a very long time to copy stuff onto the drive from a PC on the network. (This is one reason why I upgraded to a Netgear ReadyNAS. The main reason was that the 1 TB drives were full, so I've bought a box with two 3 TB drives included and much better performance.) I suppose that I could copy a file containing something boring like 'foo bah' repeatedly through a script running locally on the NAS box, except that this box doesn't allow remote login other than through the browser or SMB. I'm currently running sudo dcfldd if=/dev/urandom of=/dev/sdc, see my post to Hamish. -- Terry Coles -- Next meeting: Bournemouth, Tuesday, 2018-03-06 20:00 Meets, Mailing list, IRC, LinkedIn, ... http://dorset.lug.org.uk/ New thread: mailto:dorset@mailman.lug.org.uk / CHECK IF YOU'RE REPLYING Reporting bugs well: http://goo.gl/4Xue / TO THE LIST OR THE AUTHOR
