Bug 1466500 - [DOC] Need to recommend setting mount-time context on SELINUX clusters
[DOC] Need to recommend setting mount-time context on SELINUX clusters
Product: Red Hat Ceph Storage
Classification: Red Hat
Component: Documentation (Show other bugs)
All Linux
low Severity low
: rc
: 3.0
Assigned To: Aron Gunn
Depends On:
Blocks: 1496210
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Reported: 2017-06-29 16:07 EDT by Mike Hackett
Modified: 2017-12-25 22:41 EST (History)
4 users (show)

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Last Closed: 2017-12-25 22:41:31 EST
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Description Mike Hackett 2017-06-29 16:07:47 EDT
Description of problem:
We should strongly encourage any customer running with SELinux enforcing to add a static SELinux context to the OSD mount options in the install guide.



We see in environments with a large number of objects per PG, the directory enumeration speed is negatively impacted by the addition of xattr queries which accompany SELinux context verification.  Setting the context at the mount option removes the xattr lookups for context and helps overall disk performance, especially on slower disks.

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