[Info-vax] OT: server farm backups

[Jan-Erik Soderholm]

johnwallace4 at yahoo.co.uk wrote 2014-09-30 23:30:
> On Tuesday, 30 September 2014 19:36:33 UTC+1, Simon Clubley  wrote:
>> On 2014-09-30, CRNG <noemail at atthisdomain.gov> wrote:
>>
>>> On Mon, 29 Sep 2014 16:35:11 -0700 (PDT), mcleanjoh at gmail.com wrote in
>>
>>> <e757e249-6b45-4d1d-85a6-627ba1efcc42 at googlegroups.com>
>>
>>>
>>
>>>> They probably take a SAN snapshot then save the data onto other disks.
>>
>>>
>>
>>> I've never heard of "SAN".
>>
>>
>>
>> Do a search for "Storage area network".
>>
>>
>>
>> Some reading to get you started:
>>
>>
>>
>> http://en.wikipedia.org/wiki/Storage_area_network
>>
>>
>>
>> Simon.
>>
>>
>>
>> --
>>
>> Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
>>
>> Microsoft: Bringing you 1980s technology to a 21st century world
>
> Snapshots aren't exclusive to SANS though (as I'm sure you realise).
>
> For example, DEC/CPQ's StorageWorks Virtual Replicator (1999?) was
> a set of software (no hardware needed, exceot maybe disk space)
> that implemented the snapshot concept in a Windows NT 4 environment.
>

Or:

http://www.hpl.hp.com/hpjournal/dtj/vol8num2/vol8num2art1.pdf

"Overview of the Spiralog File System"