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ceph: add a bit to Scrub

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2019-11-06 18:59:25 +01:00
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pveceph.adoc
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@ -771,10 +771,10 @@ Scrub & Deep Scrub
~~~~~~~~~~~~~~~~~~
Ceph ensures data integrity by 'scrubbing' placement groups. Ceph checks every
object in a PG for its health. There are two forms of Scrubbing, daily
(metadata compare) and weekly. The weekly reads the objects and uses checksums
to ensure data integrity. If a running scrub interferes with business needs,
you can adjust the time when scrubs footnote:[Ceph scrubbing
https://docs.ceph.com/docs/{ceph_codename}/rados/configuration/osd-config-ref/#scrubbing]
cheap metadata checks and weekly deep data checks. The weekly deep scrub reads
the objects and uses checksums to ensure data integrity. If a running scrub
interferes with business (performance) needs, you can adjust the time when
scrubs footnote:[Ceph scrubbing https://docs.ceph.com/docs/{ceph_codename}/rados/configuration/osd-config-ref/#scrubbing]
are executed.