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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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commit b16f8c5f15
1 changed files with 4 additions and 4 deletions
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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 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 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 cheap metadata checks and weekly deep data checks. The weekly deep scrub reads
to ensure data integrity. If a running scrub interferes with business needs, the objects and uses checksums to ensure data integrity. If a running scrub
you can adjust the time when scrubs footnote:[Ceph scrubbing interferes with business (performance) needs, you can adjust the time when
https://docs.ceph.com/docs/{ceph_codename}/rados/configuration/osd-config-ref/#scrubbing] scrubs footnote:[Ceph scrubbing https://docs.ceph.com/docs/{ceph_codename}/rados/configuration/osd-config-ref/#scrubbing]
are executed. are executed.