Re: [zfs-discuss] shrink zpool

2010-08-26 Thread Marty Scholes
 Is it currently or near future possible to shrink a
 zpool remove a disk

As other's have noted, no, not until the mythical bp_rewrite() function is 
introduced.

So far I have found no documentation on bp_rewrite(), other than it is the 
solution to evacuating a vdev, restriping a vdev, defragmenting a vdev, solving 
world hunger and bringing peace to the Middle East.

If you search the forums you will find all sorts of discussion around this 
evasive feature, but nothing concrete.  I think it's hiding behind the unicorn 
located at the end of the rainbow.

With Oracle withdrawing/inhousing/whatever development, it's a safe bet that 
bp_rewrite() now rests in the hands of the community, possibly to be born in 
Nexenta-land.

Maybe it's time for me to quit whining, dust off my KR book and get to work on 
the weekends coming up with an honest implementation plan.

Anyone want to join a task force for getting bp_rewrite() implemented as a 
community effort?
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Re: [zfs-discuss] shrink zpool

2010-08-25 Thread LaoTsao 老曹

 not possible now

On 8/25/2010 2:34 PM, Mike DeMarco wrote:

Is it currently or near future possible to shrink a zpool remove a disk
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