Re: [lustre-discuss] Do not recreate OST objects on OST replacement

2019-09-12 Thread Andreas Dilger
On Sep 10, 2019, at 10:23, Degremont, Aurelien mailto:degre...@amazon.com>> wrote: Hello When an OST dies and you have no choice but replacing it with a newly freshly formatted one (using mkfs --replace), Lustre runs a resynchronization mechanisms between the MDT and the OST. The MDT will

[lustre-discuss] Do not recreate OST objects on OST replacement

2019-09-10 Thread Degremont, Aurelien
Hello When an OST dies and you have no choice but replacing it with a newly freshly formatted one (using mkfs --replace), Lustre runs a resynchronization mechanisms between the MDT and the OST. The MDT will sent the last object ID it knows for this OST and the OST will compare this value with