<div dir="ltr"><div><p style="color:rgb(0,0,0)">Hi Roland,</p><p style="color:rgb(0,0,0)">Thank you for your clarification. I think I missed the true error, so the actual error is here:</p><p style="color:rgb(0,0,0)"><strong>WARNING level 1 from host</strong><span class="gmail-Apple-converted-space"> </span><a href="http://x1005c1s1b0n1h0.chn.perlmutter.nersc.gov">x1005c1s1b0n1h0.chn.perlmutter.nersc.gov</a>, process 0 in thorn CarpetIOHDF5, file /Cactus/configs/sim/build/CarpetIOHDF5/Output.cc:442: -> Values for DISTRIB=CONSTANT grid variable 'TERMINATIONTRIGGER::watchminutes' (timelevel 0) differ between processors 0 and 383; only the array from processor 0 will be stored.<br><strong>cactus_sim: H5C.c:6732: H5C_load_entry: Assertion entry->size < ((size_t)(32 * 1024 * 1024)) failed.</strong><br>Rank 0 with PID 1727399 received signal 6.<br>Writing backtrace to /Multipole/backtrace.0.txt<br>srun: error: nid004365: task 0: Aborted.</p><p style="color:rgb(0,0,0)">Then I modified my parameter file by setting<span class="gmail-Apple-converted-space"> </span><code>IO::out_mode = "proc"</code><span class="gmail-Apple-converted-space"> </span>to make the<span class="gmail-Apple-converted-space"> </span><code>checkpoint.h5</code><span class="gmail-Apple-converted-space"> </span>file chunked, which fixed the aborted issue. However, this also changed my 3D output HDF5 file to chunked format as well.</p><p style="color:rgb(0,0,0)">Even after adding<span class="gmail-Apple-converted-space"> </span><code>out_unchunked='yes'</code><span class="gmail-Apple-converted-space"> </span>in the<span class="gmail-Apple-converted-space"> </span><code>out_vars</code><span class="gmail-Apple-converted-space"> </span>parameter, for example:<br><code>CarpetIOHDF5::out3D_vars = "HydroBase::rho{out_unchunked='yes'}"</code>, it doesn't work.</p><p style="margin:0px;font-stretch:normal;font-size:17px;line-height:normal;font-family:"Andale Mono";font-size-adjust:none;font-kerning:auto;font-variant-alternates:normal;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-feature-settings:normal;color:rgb(47,255,18);background-color:rgba(0,0,0,0.9)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(251,0,255)"></span></p><p style="color:rgb(0,0,0)">Is it possible that I didn’t write it in the correct way?</p><p style="color:rgb(0,0,0)"><br></p><p style="color:rgb(0,0,0)">Thank you,</p><p style="color:rgb(0,0,0)">Wei</p></div></div>