[Gllug] sync,sync, init 0

[home at alexhudson.com]

On Thu, Jul 12, 2001 at 05:21:59PM +0100, john.hearns at framestore.co.uk wrote:
> This has the makings of a good thread. I sense some
> evil shutdown methods on the horizon...

Non more evil than pull plug out, although perhaps the DataDocktorn [El Reg
:))] would probably have some good ideas, perhaps involving a 3-phase power
supply and a spark plug.

> Going off at a slight tangent, does anyone know how
> sync performs when you are running under a virtual machine?

Given it's purely an OS thing, I imagine it does exactly what it says on the
tin: i.e., schedules dirty blocks for inclusion on the elevator - I don't
believe it invokes a 'hdparm -t' or something, so I wouldn't assume that
having sync'd guarantees your data is on disk in any event, virtual machine
or no.

Cheers,

Alex.

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