Re: rsync problem

2003-09-05 Thread Jim Durham
On Tuesday 02 September 2003 11:59 am, Malcolm Kay wrote:
 On Tue, 2 Sep 2003 23:27, Guy Van Sanden wrote:
  Hello
 
  I'm using rsync to sort of mirror two 40GB disks (once a day).
  All partitions work as expected, but root is weird (and as you
  can see below, I sort of made it too small).
 
  I use this command:
  /usr/local/bin/rsync -ax --delete / /mirror/rootfs
 
  But this is what I'm getting:
  df -m
  Filesystem  1M-blocks Used Avail Capacity  Mounted on
  /dev/ad0s1a   154   717051%/
  /dev/ad1s1a   154  138 497%/mirror/rootfs
 
  So, there's a 67 MB difference between both.
  I started out wite a cleanly formatted mirror (UFS2)
 
  My system is FreeBSD 5.0 RELEASE-p11
 
  Thanks for any help
 
  Guy

 I expect rsync does not recognise hard linked files as such and
 makes separate images of each directory link. Looking through
 /stand on my 4.8 system I see that this would create about 60Mb
 extra.

 You might do better with dump and restore:
 # cd /miiror/rootfs
 # dump -0 -a -f - / | restore -r -f -

 Malcolm


rsync -H   preserves hard links.  Maybe try rsync -Hax --delete ?

-Jim

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Re: rsync problem

2003-09-05 Thread Malcolm Kay
On Sat, 6 Sep 2003 05:34, Jim Durham wrote:
 On Tuesday 02 September 2003 11:59 am, Malcolm Kay wrote:
  On Tue, 2 Sep 2003 23:27, Guy Van Sanden wrote:
   Hello
  
   I'm using rsync to sort of mirror two 40GB disks (once a day).
   All partitions work as expected, but root is weird (and as you
   can see below, I sort of made it too small).
  
   I use this command:
   /usr/local/bin/rsync -ax --delete / /mirror/rootfs
  
   But this is what I'm getting:
   df -m
   Filesystem  1M-blocks Used Avail Capacity  Mounted on
   /dev/ad0s1a   154   717051%/
   /dev/ad1s1a   154  138 497%/mirror/rootfs
  
   So, there's a 67 MB difference between both.
   I started out wite a cleanly formatted mirror (UFS2)
  
   My system is FreeBSD 5.0 RELEASE-p11
  
   Thanks for any help
  
   Guy
 
  I expect rsync does not recognise hard linked files as such and
  makes separate images of each directory link. Looking through
  /stand on my 4.8 system I see that this would create about 60Mb
  extra.
 
  You might do better with dump and restore:
  # cd /miiror/rootfs
  # dump -0 -a -f - / | restore -r -f -
 
  Malcolm

 rsync -H   preserves hard links.  Maybe try rsync -Hax --delete ?

 -Jim

Certainly a more convenient approach than my suggestion.
I should have thought to take a look at the man page ;-)

Thanks

Malcolm
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Re: rsync problem

2003-09-03 Thread Guy Van Sanden
Thank you Malcolm

I'll try this one...

On Tue, 2003-09-02 at 17:59, Malcolm Kay wrote:
 On Tue, 2 Sep 2003 23:27, Guy Van Sanden wrote:
  Hello
 
  I'm using rsync to sort of mirror two 40GB disks (once a day).
  All partitions work as expected, but root is weird (and as you can see
  below, I sort of made it too small).
 
  I use this command:
  /usr/local/bin/rsync -ax --delete / /mirror/rootfs
 
  But this is what I'm getting:
  df -m
  Filesystem  1M-blocks Used Avail Capacity  Mounted on
  /dev/ad0s1a   154   717051%/
  /dev/ad1s1a   154  138 497%/mirror/rootfs
 
  So, there's a 67 MB difference between both.
  I started out wite a cleanly formatted mirror (UFS2)
 
  My system is FreeBSD 5.0 RELEASE-p11
 
  Thanks for any help
 
  Guy
 
 I expect rsync does not recognise hard linked files as such and makes 
 separate images of each directory link. Looking through /stand on my 4.8 
 system I see that this would create about 60Mb extra.
 
 You might do better with dump and restore:
 # cd /miiror/rootfs
 # dump -0 -a -f - / | restore -r -f -
 
 Malcolm
 
 
 
 
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