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Re: Persistence
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From: |
Marcus Brinkmann |
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Subject: |
Re: Persistence |
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Date: |
Mon, 31 Oct 2005 09:13:09 +0100 |
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User-agent: |
Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (Sanjō) APEL/10.6 Emacs/21.4 (i386-pc-linux-gnu) MULE/5.0 (SAKAKI) |
At Mon, 31 Oct 2005 02:45:40 +0100,
"R. Koot" <address@hidden> wrote:
> When I first read about persistance in EROS I though it was great, but
> there is still the problem that after a crash you are transported back
> in time. Doesn't this create more troubles than it solves? Especially in
> networked environments. I'm think about the case where my 'files' are
> stored on another computer, in particular.
Capabilities to resources outside of the persistent core (device
drivers, external filesystems, network) have to be invalidated on
recover.
This will make the applications that rely on them get a fault, which
they can handle by reconnecting (and then verifying their consistency
requirements!) or by terminating.
Thanks,
Marcus