If the installation has primary and backup signalling servers, clone one at a time to avoid service interruption. Make a working copy of a Signalling Server hard disk
This option can often recover a dead hard drive, or an unreadable file, but it does not repair the error. If the operation stops with an I/O error, try to salvage all readable data with conv=noerror,sync.
There's also a freeware version of dd for Windows available, with instructions. How to clone a hard disk or USB stick in the terminal.ĭd (disk duplication) is a Mac OS X command-line utility which can read raw data off a disk, even if the Mac doesn't understand the filesystem.
