[lustre-discuss] Problems running e2fsck mdt/mds: long time running it and a lot of errors

[Fernando Perez]

Hi,

We have a lustre 2.4.1 filesystem with 250 TB, 158 TB used, and a 
combined MDT/MDS with ldiskfs and the latest e2fsprogs

Due to problems mounting an OST and other hardware problems in the past 
with other OSTs, we have started to run a e2fsck -fy in the combined MDT 
/ MDS two days ago because after run e2fsck -fn I saw a lot of errors. 
Previously I made a file level mdt / mds backup.

It seems  that the e2fsck is repairing all the inodes. Currently is 
running pass 4 and returns for each inode this kind of messages:

> Unattached inode 26977505
> Connect to /lost+found? yes
>
> Inode 26977505 ref count is 2, should be 1.  Fix? yes

Is it normal? What time can I expect to finish the e2fsck?

Regards.

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