> Even with really high data transfer rates it's going to take > a good 20 > mins to take the image of that system, in that time the > active users on > the system will have written data to the drive, and the OS will also > have written data to the drive (logs etc). The image of the > system that > you end up with probably isn't going to be worth much as I > would suspect > that large amounts of the data will be corrupt as, by the > time that the > data in the last third of the drive is imaged its content, > and layout, > will have changed to the point whereby it no longer matches > up with its Craig, Good points here. One thing to take into account for high availability servers is rarely is the storage as simple as a single hard disk or even a RAID set. These days many will be using Network Attached Storage or Storage Area Networks. Many of the NAS and SAN devices I've worked with have the ability to create complete "snapshots" in time. Christopher L. T. Brown Technology Pathways LLC Makers of ProDiscover DFT clbrownat_private Phone: 619-435-0906 http://www.TechPathways.com ----------------------------------------------------------------- This list is provided by the SecurityFocus ARIS analyzer service. For more information on this free incident handling, management and tracking system please see: http://aris.securityfocus.com
This archive was generated by hypermail 2b30 : Wed Jun 19 2002 - 16:22:59 PDT