Storage

Problem: The client reported recurring kernel messages appearing in the system logs while running OpenZFS on a virtualized Linux server. Using dmesg -T, the customer observed approximately five identical stack traces per second, raising concerns about potential impact on production stability and data integrity. The log messages consistently referenced memory allocation paths within ZFS and […]

Problem: Ceph Storage Almost Full but Should Have Space. The client reported that the Ceph storage is nearly full, even though there should be sufficient space available. The output of ceph osd status indicates that some OSDs have limited available space. The most common cause identified is not deleting the lost+found directory after a crash […]