Hi Darren,

Thanks you for the details. I am aware of export/import of zpool. but with 
zpool export pool is not available for writes. 

is there a way I can freeze zfs file system at file system level.
As an example, for JFS file system using "chfs -a freeze ..." option.
So if I am taking a hardware snapshot, I will run chfs at file system (jfs ) 
level then fire commands to take snapshot at harware level (or for array LUNS) 
to get consistent backup. I thins case, no down time is required for the file 
system.

Once snapshot is done, i will do qu quiesce / freeze the file system.

Looking for how to do similar freeze for zfs file system.

Thanks & Regards,
sridhar.
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