Hi there,
Can you please send us (here or in private) the Slurm JobID(s) that failed?
We were experiencing storage issues last week-end on Yggdrasil ${HOME} (cf. Current issues on Baobab and Yggdrasil - #60 by Luca.Capello), so maybe your I/O errors are related to that.
Thx, bye,
Luca