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authorMichael Polenchuk <mpolenchuk@mirantis.com>2018-02-16 13:20:41 +0400
committerMichael Polenchuk <mpolenchuk@mirantis.com>2018-02-16 16:13:05 +0400
commit4e54382989138155100a5cae90d70ca162dab703 (patch)
tree3741caabb0fe25f748ccd6c214abdc4c13ec6390 /ci
parente4f0ae735120b62f2db476b749a81fab5bab9242 (diff)
Set nova disk cachemodes to file directsync
Set nova/libvirt disk cache modes to file directsync to bypass the host page cache & prevent instance's kernel panic due to absent /dev partition. Caching mode directsync effectively turns all guest I/O operations into direct I/O operations on the host, which is the NFS client (virtuals) or GlusterFS (baremetals). Also return back to hwe kernel as a golden mean between GA & Edge ones. Change-Id: I51ab7d0ee71c214ff16b756cfee16e918738b6fd Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>
Diffstat (limited to 'ci')
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