> > For example, http://www.arcoide.com/ . To quote the function we're looking > > at " the DupliDisk2 automatically switches to the remaining drive and > > alerts the user that a drive has failed. Then, depending on the model, the > > user can hot-swap out the failed drive and re-mirror in the background.". > > So it "re-mirrors" in the background... how do they perform that > > reliabily? > > That's just RAID 1, which has done it since the dawn of time [1]. You can > achieve the same thing with Linux software RAID; you just pull out one of > the drives and you have half a mirrored RAID set. It's pretty neat to watch > /proc/mdstat as your drives are resyncing, too. ;) > > The advantage you get with this hardware is the hot-swap rack... and that's > about it. >
Except that I've pointed out already that we're specifically NOT looking at a live RAID solution. This is a backup drive that is suppose to be synced every 12 hours or 24 hours. The idea being that if there is a virus, a cracker, or hardware malfunction, then the backup drives can be immediately pulled out and inserted into a backup computer, and switch on to provide immediate restoration of services (with data up to 12 hours old, but better than having up-to-date information that may be corrupted or "cracked" versions of programs). Sincerely, Jason -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]