Re: flexible restore/install system
Alvin Oga wrote:
>On Wed, 19 Oct 2005, T wrote:
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>>,-----
>>|
>>| * No gold server. You work from the command line of any representative
>>| target machine.
>>
>>
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>bad thing to have .... if it fails and there is no silver or bronze
>server with identical contents
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>
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>>| * No central repository. Packages and change orders are stored in a
>>| distributed cache, checksummed, replicated, and spread across all
>>| participating machines.
>>
>>
>
>repository is nice ... if people need to be disciplined to comment
>all their changes before releasing to the rest of the machines
>
> - many hundred ways to do that "task" so that only
> tested files and patches gets out to the rest of the machines
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>>| * No CVS server. See the previous point.
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>ditto
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>>| * No single point of failure. See above.
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>ditto
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>>| * Better workflow.
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>if it takes more than a few minutes per day .. something is wrong
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>if the admin is afraid of 50 or 100 or 500 or 1000 or 5000 servers,
>something is wrong withthe admin
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>the hardest part is to maintain and test the first 10-20 systems
>
>and clone those patches/fixes onto the next 10-20 machines and
>the rest of the world picks up its changes from the "release" servers
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>> No more futzing around with CVS checkins, rsync updates,
>>
>>
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>that'd be a good or bad thing ... depending on where you're looking
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>--------
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>for small world of machines ... say 5-25 ...
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> make a cdrom with minimum drivers to support a network
> install off the net or clone any of your own local servers
>
> it'd be more (geeky) fun to boot from (network) floppy
> and do a network install or even a usb-stick if you need
> more than 1.44/2.88MB to boot and install
>
> *
> * if you lose your cdrom or floppy or usb-stick,
> * you better have a few backup or a way to recreate a new one
> *
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> - or do a network boot for all machines, so they are all
> identical, except that the "pxe servers" will have to have
> a kernel that supports all the various client boxes
>
>- you cannot get away from "single point of failure"
>
>fun stuff and ez to do .... in 5 min or 5hr or 5 days ... would
>depend on what else *one* needs to do for the other 100 hrs of the week
>and what happens when any of the machine decides to go on holiday
>while you're on your honeymoon or vacation
>
>c ya
>alvin
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