[plug] [OTish] Geographically distributed RAID?

Chris Caston caston at arach.net.au
Tue Aug 2 20:49:54 WST 2005


On Tue, 2005-08-02 at 20:30, Craig Ringer wrote:
> On Tue, 2005-08-02 at 19:53 +0800, Chris Caston wrote:
> > Hello,
> > 
> > Is it possibly to have a RAID array with the disks in different physical
> > locations? Say a RAID 1 set with one drive in Perth and the other in
> > Joondalup?
> 
> iSCSI + sw raid will probably let you do this. Otherwise, maybe, but I
> suspect you'd be in for a rather harsh time of it. No matter how you do
> it, expect it to be slooooow, and expect to be in for some
> mind-bogglingly slow and bandwidth gobbling rebuilds whenever a
> connection goes down for long.
> 
> I'd be looking at a higher level scheme instead, such as a replicating
> file system, database replication, etc as appropriate for the
> application.
> 
> --
> Craig Ringer

thank you
> 
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