Re: Dump questions

2010-02-23 Thread Jerry McAllister
On Mon, Feb 22, 2010 at 03:10:01PM +, Matthew Seaman wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On 22/02/2010 14:30, Jerry McAllister wrote: > > No. In multi-user, files are still changing. The snapshot could > > possibly be made between parts of a change - between diffe

Re: Dump questions

2010-02-22 Thread Jerry McAllister
On Sun, Feb 21, 2010 at 03:45:51PM +0800, Aiza wrote: > Dan Nelson wrote: > >In the last episode (Feb 21), Aiza said: > >>1. Using the -L flag to create a snapshot of the > >>live running file system. > >> > >>Does this mean that a complete copy of the file > >>system is written to .snap directory

Re: Dump questions

2010-02-22 Thread Matthew Seaman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 22/02/2010 14:30, Jerry McAllister wrote: > No. In multi-user, files are still changing. The snapshot could > possibly be made between parts of a change - between different writes > to the file, so there could be some inconsistency. In practice

Re: Dump questions

2010-02-22 Thread Jerry McAllister
On Mon, Feb 22, 2010 at 12:23:10PM +0800, Aiza wrote: > Jerry McAllister wrote: > >On Sun, Feb 21, 2010 at 11:03:58AM +0100, Polytropon wrote: > > > >On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: > >>1. Using the -L flag to create a snapshot of the > >>live running file system. > >> > >>... > >

Re: Dump questions

2010-02-21 Thread Aiza
Jerry McAllister wrote: On Sun, Feb 21, 2010 at 11:03:58AM +0100, Polytropon wrote: On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: 1. Using the -L flag to create a snapshot of the live running file system. ... Is this the limiting factor that forces a user to use (single user mode) for runn

Re: Dump questions

2010-02-21 Thread Jerry McAllister
On Sun, Feb 21, 2010 at 11:03:58AM +0100, Polytropon wrote: On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: > 1. Using the -L flag to create a snapshot of the > live running file system. > > ... > > Is this the limiting factor that forces a user > to use (single user mode) for running dump? The

Re: Dump questions

2010-02-21 Thread Polytropon
On Sun, 21 Feb 2010 20:52:31 +0800, Aiza wrote: > Polytropon wrote: > > On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: > >> 1. Using the -L flag to create a snapshot of the > >> live running file system. > >> > >> Does this mean that a complete copy of the file > >> system is written to .snap di

Re: Dump questions

2010-02-21 Thread John
On Sun, Feb 21, 2010 at 02:10:29PM +0100, C. P. Ghost wrote: > On Sun, Feb 21, 2010 at 1:52 PM, Aiza wrote: > > > Polytropon wrote: > > > >> On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: > >> > >>> 1. Using the -L flag to create a snapshot of the > >>> live running file system. > >>> > >>> Doe

Re: Dump questions

2010-02-21 Thread C. P. Ghost
On Sun, Feb 21, 2010 at 1:52 PM, Aiza wrote: > Polytropon wrote: > >> On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: >> >>> 1. Using the -L flag to create a snapshot of the >>> live running file system. >>> >>> Does this mean that a complete copy of the file >>> system is written to .snap direc

Re: Dump questions

2010-02-21 Thread Matthew Seaman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 21/02/2010 12:52, Aiza wrote: > Polytropon wrote: >> On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: >>> 1. Using the -L flag to create a snapshot of the >>> live running file system. >>> >>> Does this mean that a complete copy of the file >>> syst

Re: Dump questions

2010-02-21 Thread Aiza
Polytropon wrote: On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: 1. Using the -L flag to create a snapshot of the live running file system. Does this mean that a complete copy of the file system is written to .snap directory? No. The snapshot, quite incorrectly explained, is a saved delta b

Re: Dump questions

2010-02-21 Thread Polytropon
On Sun, 21 Feb 2010 11:42:50 +0800, Aiza wrote: > 1. Using the -L flag to create a snapshot of the > live running file system. > > Does this mean that a complete copy of the file > system is written to .snap directory? No. The snapshot, quite incorrectly explained, is a saved delta between the f

Re: Dump questions

2010-02-20 Thread Dan Nelson
In the last episode (Feb 21), Aiza said: > Dan Nelson wrote: > > In the last episode (Feb 21), Aiza said: > >> 1. Using the -L flag to create a snapshot of the live running file > >> system. > >> > >> Does this mean that a complete copy of the file system is written to > >> .snap directory? > > >

Re: Dump questions

2010-02-20 Thread Aiza
Dan Nelson wrote: In the last episode (Feb 21), Aiza said: 1. Using the -L flag to create a snapshot of the live running file system. Does this mean that a complete copy of the file system is written to .snap directory? No; that would be a "copy". Snapshots only copy blocks as they are modif

Re: Dump questions

2010-02-20 Thread Alexandr Sushko
> 3. Can dump be told to only dump a particular > directory tree? IE /var/log or /usr/port? No. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questi

Re: Dump questions

2010-02-20 Thread Dan Nelson
In the last episode (Feb 21), Aiza said: > 1. Using the -L flag to create a snapshot of the > live running file system. > > Does this mean that a complete copy of the file > system is written to .snap directory? No; that would be a "copy". Snapshots only copy blocks as they are modified on the p

Dump questions

2010-02-20 Thread Aiza
1. Using the -L flag to create a snapshot of the live running file system. Does this mean that a complete copy of the file system is written to .snap directory? So if the running file system is more than 50% full there will not be enough free space available to hold the duplicate image? Can dum