> Actually, a write to memory for a memory mapped file is more similar to
> write(2). If two programs have the same file mapped then the effect on the
> memory they share is instantaneous because it is the same physical memory.
> A mmapped file becomes shared memory as soon as it is mapped at leas
On 07/ 5/12 11:32 PM, Carsten John wrote:
-Original message-
To: Carsten John;
CC: zfs-discuss@opensolaris.org;
From: Ian Collins
Sent: Thu 05-07-2012 11:35
Subject:Re: [zfs-discuss] Sol11 missing snapshot facility
On 07/ 5/12 09:25 PM, Carsten John wrote:
Hi Ian,
On Wed, 4 Jul 2012, Stefan Ring wrote:
I really makes no sense at all to
have munmap(2) not imply msync(3C).
Why not? munmap(2) does basically the equivalent of write(2). In the
case of write, that is: a later read from the same location will see
the written data, unless another write happens
On Wed, 4 Jul 2012, Nico Williams wrote:
Oddly enough the manpages at the Open Group don't make this clear. So
I think it may well be advisable to use msync(3C) before munmap() on
MAP_SHARED mappings. However, I think all implementors should, and
probably all do (Linux even documents that it d
-Original message-
To: Carsten John ;
CC: zfs-discuss@opensolaris.org;
From: Ian Collins
Sent: Thu 05-07-2012 11:35
Subject:Re: [zfs-discuss] Sol11 missing snapshot facility
> On 07/ 5/12 09:25 PM, Carsten John wrote:
>
> > Hi Ian,
> >
> > yes, I already checked that
On 07/ 5/12 09:25 PM, Carsten John wrote:
Hi Ian,
yes, I already checked that:
svcs -a | grep zfs
disabled 11:50:39 svc:/application/time-slider/plugin:zfs-send
is the only service I get listed.
Odd.
How did you install?
Is the manifest there
(/lib/svc/manifest/system/filesystem/au
-Original message-
To: Carsten John ;
CC: zfs-discuss@opensolaris.org;
From: Ian Collins
Sent: Thu 05-07-2012 09:59
Subject:Re: [zfs-discuss] Sol11 missing snapshot facility
> On 07/ 5/12 06:52 PM, Carsten John wrote:
> > Hello everybody,
> >
> >
> > for some reason I
On 07/ 5/12 06:52 PM, Carsten John wrote:
Hello everybody,
for some reason I can not find the zfs-autosnapshot service facility any more.
I already reinstalles time-slider, but it refuses to start:
RuntimeError: Error reading SMF schedule instances
Details:
['/usr/bin/svcs', '-H', '-o', 'sta
