[lustre-discuss] Errors large directory feature ldiskfs

[Fernando Perez]

Sorry, we have lustre 2.10.4 release installed in our lustre filesystem, 
migrated previously from 2.4 to 2.8 and 2.10.4

Regards.

=============================================
Fernando Pérez
Institut de Ciències del Mar (CSIC)
Departament Oceanografía Física i Tecnològica
Passeig Marítim de la Barceloneta,37-49
08003 Barcelona
Phone:  (+34) 93 230 96 35
=============================================

On 10/04/2018 11:16 AM, Fernando Perez wrote:
> Dear all.
>
> We have a lustre system with combined mds + mdt ldiskfs and several 
> osts with zfs and ldiskfs.
>
> I have these errors in our mds server log:
>
> LDISKFS-fs warning (device dm-4): ldiskfs_dx_add_entry:2618: inode 
> 30544460: comm mdt01_047: index 2: reach max htree level 2
> Oct  4 09:32:24 nemo kernel: LDISKFS-fs warning (device dm-4): 
> ldiskfs_dx_add_entry:2622: Large directory feature is not enabled on 
> this filesystem
> Oct  4 09:32:24 nemo kernel: Lustre: 
> 25646:0:(osd_handler.c:466:osd_ldiskfs_add_entry()) lustre-MDT0000: 
> directory (inode: 30544460, FID: [0x200002347:0x1:0x0]) has reached 
> maximum entry limit
>
> How can I enable the large directory feature in our lustre filesystem 
> to solve these errors?
>
> I can't see references to this feature in the lustre documentation. Is 
> it related with the LU-1365?
>
> Regards.
>