[zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Carsten John
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', 'state',

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Ian Collins
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',

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Carsten John
-Original message- To: Carsten John cj...@mpi-bremen.de; CC: zfs-discuss@opensolaris.org; From: Ian Collins i...@ianshome.com 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

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Ian Collins
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

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Carsten John
-Original message- To: Carsten John cj...@mpi-bremen.de; CC: zfs-discuss@opensolaris.org; From: Ian Collins i...@ianshome.com 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,

Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files

2012-07-05 Thread Bob Friesenhahn
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

Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files

2012-07-05 Thread Bob Friesenhahn
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

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Ian Collins
On 07/ 5/12 11:32 PM, Carsten John wrote: -Original message- To: Carsten Johncj...@mpi-bremen.de; CC: zfs-discuss@opensolaris.org; From: Ian Collinsi...@ianshome.com Sent: Thu 05-07-2012 11:35 Subject:Re: [zfs-discuss] Sol11 missing snapshot facility On 07/ 5/12

Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files

2012-07-05 Thread Stefan Ring
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 least