Hi, Mike,

  It's like 6452872, it need enough space for 'zfs promote'

  - Regards,

Mike Gerdts wrote:
> I needed to free up some space to be able to create and populate a new
> upgrade.  I was caught off guard by the amount of free space required
> by "zfs promote".
>
> bash-3.2# uname -a
> SunOS indy2 5.11 snv_86 i86pc i386 i86pc
>
> bash-3.2# zfs list
> NAME                               USED  AVAIL  REFER  MOUNTPOINT
> rpool                             5.49G  1.83G    55K  /rpool
> [EMAIL PROTECTED]                     46.5K      -  49.5K  -
> rpool/ROOT                        5.39G  1.83G    18K  none
> rpool/ROOT/2008.05                2.68G  1.83G  3.38G  legacy
> rpool/ROOT/2008.05/opt             814M  1.83G  22.3M  legacy
> rpool/ROOT/2008.05/[EMAIL PROTECTED]    43K      -  22.3M  -
> rpool/ROOT/2008.05/opt/SUNWspro    739M  1.83G   739M  legacy
> rpool/ROOT/2008.05/opt/netbeans   52.9M  1.83G  52.9M  legacy
> rpool/ROOT/preview2               2.71G  1.83G  2.71G  /mnt
> rpool/ROOT/[EMAIL PROTECTED]     6.13M      -  2.71G  -
> rpool/ROOT/preview2/opt             27K  1.83G  22.3M  legacy
> rpool/export                      89.8M  1.83G    19K  /export
> rpool/export/home                 89.8M  1.83G  89.8M  /export/home
>
> bash-3.2# zfs promote rpool/ROOT/2008.05
> cannot promote 'rpool/ROOT/2008.05': out of space
>
> Notice that I have 1.83 GB of free space and the snapshot from which
> the clone was created (rpool/ROOT/[EMAIL PROTECTED]) is 2.71 GB.  It
> was not until I had more than 2.71 GB of free space that I could
> promote rpool/ROOT/2008.05.
>
> This behavior does not seem to be documented.  Is it a bug in the
> documentation or zfs?
>
>   


-- 
Regards,

Robin Guo, Xue-Bin Guo
Solaris Kernel and Data Service QE,
Sun China Engineering and Reserch Institute
Phone: +86 10 82618200 +82296
Email: [EMAIL PROTECTED]
Blog: http://blogs.sun.com/robinguo

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