[G14_run] [EXTERNAL] Re: Files at /cache

[Alessandra Filippi]

Hi Tsuneo,

> (1) Do you have these files in your disk spaces at your university and don't have to copy them from JLab ?

no, I don't think so. I remember to have copied some files to Rome, but 
they were final skimmed rootfiles, I think those files are a step 
(or two) above. But we don't need them, actually.

>
> (2) Here is an example of file which is both at /cache and tape and we can get such a file from the tape.
>
> kageya at ifarm1801.jlab.org> ls -la /mss/clas/g14b/production/pass1/v1/SKIMS/GPID/*68799*.A25*
> -r--r--r-- 1 clasg14 scicomp 1024 Jun 25  2020 /mss/clas/g14b/production/pass1/v1/SKIMS/GPID/DSTgpid_068799.A25.B00.root
> kageya at ifarm1801.jlab.org> ls -la /cache/clas/g14b/production/pass1/v1/SKIMS/GPID/*68799*.A25*
> -r--r--r-- 1 clasg14 clasg14-grp 275055960 Jun 24  2020 /cache/clas/g14b/production/pass1/v1/SKIMS/GPID/DSTgpid_068799.A25.B00.root
>

ok, fine. It looks like the files on tape are more recent than those in 
disk, doesn't it? So probably they were the output of the cooking.

> (3) I don't think you can copy such file directory from the tape to Italy.      Then somebody who has an ID of clasg14 like Franz copied the files from
> the tape to /cache in 2020.

yes, it was when we (Franz) cooked silver6 data, so they were taken from 
the silo (or, produced and copied there). I doubt there's anything we can 
do with them in Italy with the software we have - we are working just on 
final-step skimmed files.

> (4) Files at /cache have not been accessed for 2 years will be deleted according to IT.

sure, no worry, go on deleting them.
cheers
     Alessandra



>
>     Ciao, Tsuneo Kageya.
>
> On 8/23/22, 8:37 AM, "Alessandra Filippi" <filippi at to.infn.it> wrote:
>
>    Hi Tsuneo,
>    I am not sure whether I produced these file myself upon skimming silver6
>    data, or they were made by Franz. In any case, as you say that they can be
>    recovered easily in case of need, as far as I am concerned they can be
>    happily deleted.
>    cheers
>         Alessandra
>
>
>
>    On Mon, 22 Aug 2022, Tsuneo Kageya wrote:
>
>    > Hi,
>    >
>    > I am asked to check if some files at /cache can be deleted.
>    >
>    > The files seemed be copied from the tape to /cache/clas/g14b/production/pass1/v1/SKIMS/GPID/ on June 2020.
>    > The files started from  /cache/clas/g14b/production/pass1/v1/SKIMS/GPID/DSTgpid_068786.A00.B00.root to
>    > DSTgpid_068933.A30.B00.root.
>    > They seem to be data from Silver 6 period.
>    >
>    > Do we still need files at /cache/clas/g14b/production/pass1/v1/SKIMS/GPID/ ?
>    > I think the same files are at the tape and we can recover them anytime.
>    >
>    > Please let me know.
>    >
>    >      Regards, Tsuneo Kageya.
>    >
>    >
>    >
>    >
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