MOOSE used to support restarting from non-binary files. The suffix was then changed.
I dont see this option in the current version of moose? @friedmud removed it seemingly
It is and was in use, considering #26673 and the two other posts they linked in that discussion
The only test which was testing this was not really because it was focused on other things.
Originally posted by **MusannaGalib** January 29, 2024
Hello,
I installed MOOSE without XDR ( `./scripts/update_and_rebuild_libmesh.sh --disable-xdr-required`) as the cluster does not have the` libtirpc-devel` package. I used `binary = false` in my checkpoint files which generates `0008_mesh.cpa 0008.rd-0 0008.xda 0008.xda.0000`.
[`0008_mesh.cpa`](url) folder contains `header.cpa split-1-0.cpa` . I am attaching the files here.
I tried to restart using `mpiexec -n 1 /home/galibubc/projects/rrg-mponga/galibubc/MOOSE_128p_2020/dendrite/dendrite-opt -i input.i --recover input_checkpt_cp/0008 >log.txt` which gives the following error that it is looking for `xdr/cpr` files.
```
ERROR: Neither one of the following files can be located:
'input_checkpt_cp/0008_mesh.cpr/1/header.cpr' nor
'input_checkpt_cp/0008_mesh.cpr'
```
```
[Outputs]
exodus = true
csv = true
interval = 2
execute_on = 'TIMESTEP_END'
[./other] # creates input_other.e
type = Exodus
interval = 60
[../]
[./checkpt]
type = Checkpoint
binary = false
num_files = 2
interval = 2
[../]
perf_graph = true
[]
```
[header.cpa.txt](https://github.com/idaholab/moose/files/14088090/header.cpa.txt)
[split-1-0.cpa.txt](https://github.com/idaholab/moose/files/14088091/split-1-0.cpa.txt)
[0008.xda.txt](https://github.com/idaholab/moose/files/14088105/0008.xda.txt)
27268 Changes the checkpoint format from binary (cpr) to ascii (cpa). Compression and decompression of ascii checkpoint files is handled automatically and will work on systems without XDR support. I spoke with @permcody about adding support for users to load their old binary checkpoints and he is against it, saying that the decision has been made in the past to not keep support for older formats. With that in mind, will the current changes be sufficient to close this issue?
Reason
MOOSE used to support restarting from non-binary files. The suffix was then changed. I dont see this option in the current version of moose? @friedmud removed it seemingly It is and was in use, considering #26673 and the two other posts they linked in that discussion
The only test which was testing this was not really because it was focused on other things.
How to reproduce
Use input from #26673 in post with a newer version of moose
Design
Add the suffix back or auto-detect it ? Or fix what is supposed to auto detect it And add a test!!
Impact
Let MOOSE run easier on system which dont have libtirpc and cant use the binary format
Discussed in https://github.com/idaholab/moose/discussions/26673