> For the complete documentation index, see [llms.txt](https://kawsing.gitbook.io/opensystem/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kawsing.gitbook.io/opensystem/andoid-shou-ji/pomoxve/fu-lu/osd-de-scrub.md).

# osd 的 scrub

Ceph通過Scrub歸置組(PG)來保證資料的完整性。在物件存儲層，Ceph Scrub類似於fsck

下圖為scrub過程

![](/files/-LvDkwpz7rPP7ysuMKm0)