Re: [lustre-discuss] How to reduce the size of an existing OST ?

2021-04-28 Thread Hans Henrik Happe via lustre-discuss
Hi, One option is of cause to completely remove the ost as described in the manual and then do the new setup. Another option, would be to copy (zfs send/recv) the ost away from the disks, then creating the new multi ost setup and copy it back. You might need to migrate it data away from the ost f

[lustre-discuss] How to reduce the size of an existing OST ?

2021-04-26 Thread Tung-Han Hsieh
Dear All, We have an existing OST with ZFS backend which occupies the full size (63 TB) of a large storage. Now this OST already has 56% full of data. The machine which holds this OST does not have other OSTs. But for a long time, we found that the loading of this machine is unreasonably high (usu