https://www.veeam.com/kb4233?ck=1700057206377
KB4233: exFAT Filesystem May Corrupt Veeam Backup Files
According to recent discoveries in Veeam labs, in rare cases, Veeam backups may become corrupted when stored on the exFAT file system.
exfat filesystemveeam backupmaycorrupt
https://lkml.org/lkml/2020/6/16/56
LKML: Hyunchul Lee: [PATCH v2] exfat: call sync_filesystem for read-only remount