[Freja-users] Update - New Accumulus Filesystem accmls1

[Fredrik Nyström]

Dear Accumulus storage users,

/nobackup/accmls1 is now available also on Tetralith compute nodes.


Kind Regards / Fredrik Nyström, NSC

On 2024-06-11 20:38, Fredrik Nyström wrote:
> Dear Accumulus storage users,
> 
> a new Accumulus filesystem is available for use on Freja.
> 
>   /nobackup/accmls1
> 
> Also available on Tetralith login nodes but not compute nodes at this 
> time, will send an update when available on Tetralith compute nodes.
> 
> Instead of two separate filesystems like previous rossby?? and smhid?? 
> it's now a single filesystem, and we have enabled project quotas.
> 
> 
> Project default quotas are currently 5TiB and 5M files, these will 
> likely need to be adjusted individually per project. At this time the 
> person to contact for quota changes is:
> 
>   Tomas Karlsson <Tomas.Karlsson at smhi.se>
> 
> 
> There are no global uesrs/<username>/ directories. If you need a 
> personal directory I suggest creating a users/<username>/ inside the 
> relevant project directory, example: proj/nsc/users/freny/
> 
> 
> Try to avoid moving (mv) files between projects, low number of large 
> files is not a big problem, moving large amount of small files is.
> 
> 
> You cannot create hard links between projects (we would actually prefer 
> if you could avoid using hard links altogether).
> 
> 
> The following projects are available at this time:
> 
> ProjID  Path
>   8706  /nobackup/accmls1/proj/accord
>   8711  /nobackup/accmls1/proj/atlantis
>   8720  /nobackup/accmls1/proj/camaera
>   8719  /nobackup/accmls1/proj/cameo
>   8718  /nobackup/accmls1/proj/cams_dev
>   8710  /nobackup/accmls1/proj/cerratu
>   8702  /nobackup/accmls1/proj/deode_aq
>    780  /nobackup/accmls1/proj/fm
>    704  /nobackup/accmls1/proj/foua
>    715  /nobackup/accmls1/proj/fouh
>    706  /nobackup/accmls1/proj/fouo
>   8715  /nobackup/accmls1/proj/g4e
>   8704  /nobackup/accmls1/proj/gcf2
>   8721  /nobackup/accmls1/proj/glaerbio
>   8712  /nobackup/accmls1/proj/gridclim
>   8707  /nobackup/accmls1/proj/havscen
>   8708  /nobackup/accmls1/proj/isap
>   8713  /nobackup/accmls1/proj/klimscen
>   8528  /nobackup/accmls1/proj/luftkval
>   8709  /nobackup/accmls1/proj/metcoop_dev
>   8722  /nobackup/accmls1/proj/natmod2023
>   8724  /nobackup/accmls1/proj/nordicnn
>    500  /nobackup/accmls1/proj/nsc
>   8530  /nobackup/accmls1/proj/openfoam
>    701  /nobackup/accmls1/proj/rossby
>   8716  /nobackup/accmls1/proj/safcm
>   8717  /nobackup/accmls1/proj/safnwc
>   8703  /nobackup/accmls1/proj/safnwccm
>   8565  /nobackup/accmls1/proj/sik
>    705  /nobackup/accmls1/proj/sm_foul
>   8544  /nobackup/accmls1/proj/solweig
>   8705  /nobackup/accmls1/proj/uawos
> 
> 
> Total size in TB and TiB.
> 
> df --block-size=TB /nobackup/accmls1
> Filesystem             1TB-blocks  Used Available Use% Mounted on
> 10.2.31.9 at tcp:/accmls1     7151TB   1TB    7151TB   1% /nobackup/accmls1
> 
> df --block-size=TiB /nobackup/accmls1
> Filesystem             1TiB-blocks  Used Available Use% Mounted on
> 10.2.31.9 at tcp:/accmls1     6503TiB  1TiB   6503TiB   1% /nobackup/accmls1
> 
> 
> Kind Regards,

-- 
Fredrik Nyström, National Supercomputer Centre
freny at nsc.liu.se