migrating zpool to new smaller drive

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Operating Systems Solaris migrating zpool to new smaller drive
# 1  
Old 08-26-2011
migrating zpool to new smaller drive

i have my zpool datapool created on larger 2TB sata drive which has only 100g of data , now we are planning to move to smaller & faster 300gb sas drive .. is there a way to migrate the data with out down time .. i have done this on equal sized drive by attaching the 2nd drive as mirror and detaching the 1st drive once mirror resilvering completes .. is there a way to do it to smaller drive with out down time ..
# 2  
Old 08-26-2011
I think best way to do this is create smaller pool, create snapshot of your data and then send the snapshot to the new pool.
# 3  
Old 08-26-2011
yes thats the last plan we have as the zfs send and receives involves down time as i have to unmount the old zfs mount point and mount the new one back once zfs send and receive completes ....
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