Subject: Re: Which snapshot strategy to use? was: How to capture all file system writes
To: Jason Thorpe <thorpej@wasabisystems.com>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: tech-kern
Date: 10/23/2003 15:12:46
On Thu, Oct 23, 2003 at 11:40:31AM -0700, Jason Thorpe wrote:
> 
> On Thursday, October 23, 2003, at 09:29  AM, Thor Lancelot Simon wrote:
> >
> >So what?  If I want snapshotting, in this scheme, I must always mount
> >the filesystem through the block mapper -- that does not seem at all
> >unreasonable to me.
> 
> Ok, fine, BUT WE DON'T YET HAVE THE BLOCK MAPPER.  And we don't yet 
> have wedges.  And I don't think it's reasonable to wait for those 
> things in order to get file system snapshots.

I really don't think there's any reason to yell about this.  It appears
to be the case that Christian does, in fact, already have a functional
block mapper; he is a NetBSD developer; he could easily enough commit it.

Do you see a shorter path forward for snapshot support using some other
method?

-- 
 Thor Lancelot Simon	                                      tls@rek.tjls.com
   But as he knew no bad language, he had called him all the names of common
 objects that he could think of, and had screamed: "You lamp!  You towel!  You
 plate!" and so on.              --Sigmund Freud