<html><head><base href="x-msg://19978/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">This was sent to the wrong list.<div>Bill</div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><div style="font-size: 12px; ">William Gropp</div><div style="font-size: 12px; ">Director, Parallel Computing Institute</div><div style="font-size: 12px; ">Deputy Director for Research</div><div style="font-size: 12px; ">Institute for Advanced Computing Applications and Technologies</div><div style="font-size: 12px; ">Paul and Cynthia Saylor Professor of Computer Science</div><div style="font-size: 12px; ">University of Illinois Urbana-Champaign</div></div><div><br></div></span><br class="Apple-interchange-newline">
</div>
<div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>From: </b></span><span style="font-family:'Helvetica'; font-size:medium;">David Ayuso <<a href="mailto:davidayuso@live.com">davidayuso@live.com</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>Subject: </b></span><span style="font-family:'Helvetica'; font-size:medium;"><b>LUSTRE. ADIOI_Set_lock:: Function not implemented</b><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>Date: </b></span><span style="font-family:'Helvetica'; font-size:medium;">August 9, 2012 6:09:18 AM MDT<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; font-size:medium; color:rgba(0, 0, 0, 1.0);"><b>To: </b></span><span style="font-family:'Helvetica'; font-size:medium;">"<a href="mailto:fpmpi@lists.mcs.anl.gov">fpmpi@lists.mcs.anl.gov</a>" <<a href="mailto:fpmpi@lists.mcs.anl.gov">fpmpi@lists.mcs.anl.gov</a>><br></span></div><br><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div class="hmmessage" style="font-size: 12pt; font-family: Calibri; "><div dir="ltr"><div><div dir="ltr"><div>We have problem running a MPI program in a LUSTRE machine (the same program works perfectly in an IBM machine). When calling:<br><div dir="ltr"><br>CALL MPI_FILE_WRITE_AT_ALL (IHT, MOFF, BT, LDI*LDJ, &<span class="Apple-converted-space"> </span><br> & MPI_DOUBLE_PRECISION, MPI_STATUS_IGNORE, IERR)<span class="Apple-converted-space"> </span><br><br>The program stops with the following error message:<br><br>File locking failed in ADIOI_Set_lock(fd 13,cmd F_SETLKW/7,type F_WRLCK/1,whence 0) with return value FFFFFFFF and errno 26.<span class="Apple-converted-space"> </span><br>- If the file system is NFS, you need to use NFS version 3, ensure that the lockd daemon is running on all the machines, and mount the directory with the 'noac' option (no attribute caching).<span class="Apple-converted-space"> </span><br>- If the file system is LUSTRE, ensure that the directory is mounted with the 'flock' option.<span class="Apple-converted-space"> </span><br>ADIOI_Set_lock:: Function not implemented<span class="Apple-converted-space"> </span><br>ADIOI_Set_lock:offset 0, length 76236552<span class="Apple-converted-space"> </span><br><br>We have tried to solve it by calling MPI_INFO_SET to try to enable/disable the file locking:<br><br> call mpi_info_create(info, ierr)<span class="Apple-converted-space"> </span><br> !call mpi_info_set(info, "romio_ds_write", "disable", ierr)<span class="Apple-converted-space"> </span><br> !call mpi_info_set(info, "romio_cb_write", "enable", ierr)<span class="Apple-converted-space"> </span><br> call mpi_info_set(info,"romio_lustre_ds_in_coll","disable",ierr)<span class="Apple-converted-space"> </span><br><br>Nothing works! The program keeps stopping with the very same error message! :-(<br><br>Help please!!!<br></div></div></div></div></div></div></span></blockquote></div><br></div></body></html>