[lustre-discuss] MGT and MDT are ro | read only

[Ihsan Ur Rahman]

thank you gentleman for your responses, really appreciate it.

On Sun, Oct 12, 2025 at 3:30 PM Andreas Dilger via lustre-discuss <
lustre-discuss at lists.lustre.org> wrote:

> This is "normal" because the MDT and MGT mountpoints are not directly
> writable.
>
> However, it is also a source of confusion for users and has been fixed in
> 2.16 to show the
> current state of the underlying filesystem.
>
> Cheers, Andreas
>
> > On Oct 12, 2025, at 01:36, Philippe Weill via lustre-discuss <
> lustre-discuss at lists.lustre.org> wrote:
> >
> > Hrllo
> >
> > it's normal behaviour on 2.15 in lustre server
> >
> >
> >> On 12/10/2025 09:18, Ihsan Ur Rahman via lustre-discuss wrote:
> >> Hello lustre folks,
> >> I have freshly installed lustre 2.15.7. when i do the mount | grep
> lustre. ong the MGS-MDS node.  I see the output below.
> >> mount | grep lustre /dev/nvme0n1 on /mnt/mgs type lustre
> (ro,svname=MGS,nosvc,mgs,osd=osd-ldiskfs,user_xattr,errors=remount-ro) /
> dev/nvme1n1 on /mnt/mdt0 type lustre
> (ro,svname=lust-das-MDT0000,mgsnode=10.x.x.x at o2ib,osd=osd-ldiskfs,user_xattr,errors=remount-
> ro) /dev/nvme2n1 on /mnt/mdt1 type lustre
> (ro,svname=lust-das-MDT0001,mgsnode=10.x.x.x at o2ib,osd=osd-
> ldiskfs,user_xattr,errors=remount-ro).
> >> MGS and MDS are on the same node.
> >> is this behaviour normal OR requires attention.
> >> i can create directory and files on the lustre and can mount the lustre
> on the clients nodes.
> >> regards,
> >> ihsan ur rahman
> >> _______________________________________________
> >> lustre-discuss mailing list
> >> lustre-discuss at lists.lustre.org
> >> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
> >
> > --
> > Weill Philippe -  Administrateur Systeme et Reseaux
> > CNRS/UPMC/IPSL   LATMOS (UMR 8190)
> > _______________________________________________
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> > lustre-discuss at lists.lustre.org
> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
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