GFS2 writes extremely slow

[Aki Tuomi]

On 05.04.2018 15:08, DurgaPrasad - DatasoftComnet wrote:
> Hello all,
> We are facing extremely slow GFS2 issues in Redhat 7 64 bit. Backend is 16 Gbps FC SAN so no issues there.
>
> I have scoured the entire (anyways most of the) Internet and arrived at the following settings.
>
> mmap_disable = yes
This is ok
> mail_fsync = always
Try changing to never
> mail_nfs_storage = yes
> mail_nfs_index = yes
These you should not use.

> mmap_disable = yes

This is twice here.
> lock_method = fcntl
>
> Did a systemctl restart dovecot and did not find any major improvement.
> Can you please help.
>
> Regards
> Durga Prasad
>
>
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Aki