Has anyone reported this to the CERN team?
Shaun
> -----Original Message-----
> From: GRIDPP2: Deployment and support of SRM and local
> storage management [mailto:[log in to unmask]] On
> Behalf Of Dave Newbold
> Sent: 09 August 2006 09:06
> To: [log in to unmask]
> Subject: Re: Possibly dumb CASTOR question
>
> Hi,
>
> Thanks! I should comment that dumbness (either mine or the
> documentation writers, you choose) is probably on the cards,
> because I see exactly the same results at CERN.
>
> Cheers,
>
> Dave
>
> On 9 Aug 2006, at 08:56, De Witt, S ((Shaun)) wrote:
>
> > Hi Dave
> >
> > First - no question about CASTOR can be considered dumb!;)
> >
> > Secondly - I will look at the issue now....
> >
> > Shaun
> >
> >> -----Original Message-----
> >> From: GRIDPP2: Deployment and support of SRM and local storage
> >> management [mailto:[log in to unmask]] On
> Behalf Of Dave
> >> Newbold
> >> Sent: 08 August 2006 22:37
> >> To: [log in to unmask]
> >> Subject: Possibly dumb CASTOR question
> >>
> >> Hi,
> >>
> >> Slightly puzzling phenomenon writing via RFIO into RAL CASTOR.
> >>
> >> Trivial code fragment 'A' below works as expected (i.e.
> >> produces a large junk file in CASTOR); code fragment 'B',
> using the
> >> unwrapped
> >> open()/write() calls, always produces a zero-length file. An RFIO
> >> client-side trace indicates that the same transactions are
> happening
> >> in both cases.
> >>
> >> Any ideas? Have I misunderstood the CASTOR API?
> >>
> >> Cheers,
> >>
> >> Dave
> >>
> >>
> >> 'A':
> >>
> >> if(NULL==(f=rfio_fopen(CASTOR_BASEDIR "/testfile_0_t", "w"))){
> >> rfio_perror("c_wr: rfio_open");
> >> exit(1);
> >> }
> >>
> >> for(i=0;i<bs;i++){
> >> *(buf+i)=i;
> >> }
> >>
> >> for(i=0;i<nblk;i++){
> >> if(1!=rfio_fwrite(buf, bs, 1, f)){
> >> rfio_perror("c_wr: rfio_write");
> >> exit(1);
> >> }
> >> printf("%d\n",bs);
> >> fflush(stdout);
> >> }
> >>
> >> printf("\n");
> >>
> >> if(0!=rfio_fclose(f)){
> >> rfio_perror("c_wr: rfio_close");
> >> exit(1);
> >> }
> >>
> >>
> >> 'B':
> >>
> >> if(0>(fd=rfio_open(CASTOR_BASEDIR "/testfile_0_c",
> O_RDWR|O_CREAT,
> >> 0777))){
> >> rfio_perror("c_wr: rfio_open");
> >> exit(1);
> >> }
> >>
> >> for(i=0;i<bs;i++){
> >> *(buf+i)=i;
> >> }
> >>
> >> for(i=0;i<nblk;i++){
> >> if(bs!=rfio_write(fd, buf, bs)){
> >> rfio_perror("c_wr: rfio_write");
> >> exit(1);
> >> }
> >> printf("%d\n",bs);
> >> fflush(stdout);
> >> }
> >>
> >> printf("\n");
> >>
> >> if(0!=rfio_close(fd)){
> >> rfio_perror("c_wr: rfio_close");
> >> exit(1);
> >> }
> >>
>
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