On Sun, 7 Aug 2005, Michael Ben-Nes wrote:
> >>I want to backup a file constantly as it change.
> >>
> >>Is it possible at all ?
> >
> >please define what "backup a file constantly" means for you.
>
> Yep, having an exact _current_ copy all the time on two storage system.
> Its the WAL ( Write ah
guy keren wrote:
On Thu, 4 Aug 2005, Michael Ben-Nes wrote:
Hi Everyone
I want to backup a file constantly as it change.
Is it possible at all ?
please define what "backup a file constantly" means for you.
Yep, having an exact _current_ copy all the time on two storage system
On Sat, Aug 06, 2005 at 12:25:42AM +0300, Muli Ben-Yehuda wrote:
> ext3 can do "journal=data" (what you would expect) and
> "journal=ordered" (almost as safe as journal=data and almost as fast
> as journal=metadata. I don't understand the voodoo involved.)
nitpicking:
A quick look at mount(8) sh
On Thu, Aug 04, 2005 at 06:30:29PM +0300, Marc A. Volovic wrote:
> On Thu, 2005-08-04 at 18:15 +0300, Omer Zak wrote:
>
> > They solve it by journalling the changes which were made to the file
> > since the last backup. So if you lose the original file, you can
> > recover it by retrieving the ba
On Thu, 2005-08-04 at 18:15 +0300, Omer Zak wrote:
> They solve it by journalling the changes which were made to the file
> since the last backup. So if you lose the original file, you can
> recover it by retrieving the backup and re-applying to it the changes
> listed in the journal file.
Au co
On Thu, 4 Aug 2005, Michael Ben-Nes wrote:
> Hi Everyone
>
>
> I want to backup a file constantly as it change.
>
> Is it possible at all ?
please define what "backup a file constantly" means for you.
does it mean: having an exact _current_ copy all the time on two storage
systems (i.e. safety
On Thu, 2005-08-04 at 18:30 +0300, Marc A. Volovic wrote:
> On Thu, 2005-08-04 at 18:15 +0300, Omer Zak wrote:
>
> > They solve it by journalling the changes which were made to the file
> > since the last backup. So if you lose the original file, you can
> > recover it by retrieving the backup an
On Thu, 2005-08-04 at 17:25 +0300, Michael Ben-Nes wrote:
> I want to backup a file constantly as it change.
>
> Is it possible at all ?
Your problem is somewhat similiar to that of filesystems (ext3,
ReiserFS) and databases.
They solve it by journalling the changes which were made to the file
On 8/4/05, Michael Ben-Nes <[EMAIL PROTECTED]> wrote:
> Hi Everyone
>
>
> I want to backup a file constantly as it change.
>
> Is it possible at all ?
(re-posting to list)
I think DRBD (http://www.drbd.org/) should able to do that at the
block device level.
I searched for such solution myself a
Michael
tricky - depends on the application - if the file isnt too large - you
might want to try LVM snapshots - they're pretty fast
and afaik preserve data integrity during the snapshot phase
if you're using MySQL innodb - there is ibbackup - not free but works well
danny
Michael Ben-Nes wro
Quoth Michael Ben-Nes:
> Hi Everyone
> I want to backup a file constantly as it change.
> Is it possible at all ?
Well - yes and no. What you want is a snapshot capable filesystem.
There are a number of possible solutions to this - from a fully commercial
one (i.e. NetApps) through a fully manua
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