A Question about SCO Unix waiting for answer!

I want to make double-machine hot-backup in SCO unix environment, please tell me if  there is softwares which can do this good in SCO unix environment? where can I find this softwares, if there is not, please tell me how can I make programs to do this .

thank you.
                                                         DYS
dysAsked:
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powellyCommented:
by 'double-machine hot-backup' do you mean that you want to backup one machine on to another without shutting down into single user mode?

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tfabianCommented:
I'm not sure what you mean by "double-machine hot-backup", but in general, you should consider doing daily backups of your critical system(s)....

you can accomplish this in several ways..

one method might be setting up a RAID disk system in which your files are copied from one disk to another automatically as they're written..  then if the primary fails, you fall over to the backup automatically.. effectively, the disks end up mirroring each other..

another method is to have a second machine with an identical setup and configuration..  but different IP addresses and names.. create background jobs to copy / backup files each evening.. then if the primary machine fails, you can rebuild up to the previous night's data using the backup by simply renaming the machine..

good luck


 
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