[zfs-discuss] Sol11 missing snapshot facility
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', 'svc:/system/filesystem/zfs/auto-snapshot:monthly'] failed with exit code 1 svcs: Pattern 'svc:/system/filesystem/zfs/auto-snapshot:monthly' doesn't match any instances did anybody know a way to get the services back again? thx Carsten ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Sol11 missing snapshot facility
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', 'state', 'svc:/system/filesystem/zfs/auto-snapshot:monthly'] failed with exit code 1 svcs: Pattern 'svc:/system/filesystem/zfs/auto-snapshot:monthly' doesn't match any instances Have you looked with svcs -a? # svcs -a | grep zfs disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:daily disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:frequent disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:hourly disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:monthly disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:weekly disabled Jul_02 svc:/application/time-slider/plugin:zfs-send -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Sol11 missing snapshot facility
-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 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', 'svc:/system/filesystem/zfs/auto-snapshot:monthly'] failed with exit code 1 svcs: Pattern 'svc:/system/filesystem/zfs/auto-snapshot:monthly' doesn't match any instances Have you looked with svcs -a? # svcs -a | grep zfs disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:daily disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:frequent disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:hourly disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:monthly disabled Jul_02 svc:/system/filesystem/zfs/auto-snapshot:weekly disabled Jul_02 svc:/application/time-slider/plugin:zfs-send -- Ian. 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. thx Carsten ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Sol11 missing snapshot facility
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/auto-snapshot.xml)? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Sol11 missing snapshot facility
-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, 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/auto-snapshot.xml)? -- Ian. Hi Ian, I installed from CD/DVD, but it might have been in a rush, as I needed to replace a broken machine as quick as possible. The manifest is there: ls /lib/svc/manifest/system/filesystem/ . .. auto-snapshot.xml autofs.xml local-fs.xml minimal-fs.xml rmvolmgr.xml root-fs.xml ufs-quota.xml usr-fs.xml thx Carsten ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files
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 does) have an implied msync(2) when doing a munmap(2). I really makes no sense at all to have munmap(2) not imply msync(3C). As long as the system has a way to track which dirty pages map to particular files (Solaris historically does), it should not be necessary to synchronize the mapping to the underlying store simply due to munmap. It may be more efficient not do to that. The same pages may be mapped and unmapped many times by applications. In fact, several applications may memory map the same file so they access the same pages and it seems wrong to flush to underlying store simply because one of the applications no longer references the page. Since mmap() on zfs breaks the traditional coherent memory/filesystem that Solaris enjoyed prior to zfs, it may be that some rules should be different when zfs is involved because of its redundant use of memory (zfs ARC and VM page). Bob -- Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer,http://www.GraphicsMagick.org/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files
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 in-between. If power 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 twice. It is pretty common for a system of applications to implement shared memory via memory mapped files with the mapped memory used for read/write. This is a precursor to POSIX's shm_open(3RT) which produces similar functionality without a known file in the filesystem Bob -- Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer,http://www.GraphicsMagick.org/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Sol11 missing snapshot facility
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 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/auto-snapshot.xml)? Hi Ian, I installed from CD/DVD, but it might have been in a rush, as I needed to replace a broken machine as quick as possible. The manifest is there: ls /lib/svc/manifest/system/filesystem/ . .. auto-snapshot.xml autofs.xml local-fs.xml minimal-fs.xml rmvolmgr.xml root-fs.xml ufs-quota.xml usr-fs.xml Running svcadm restart manifest-import should load it, or give you some idea why it won't load. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files
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 twice. True, for some interpretation of instantaneous. It does not establish a happens-before relationship though, as store-munmap/mmap-load does. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
