Idk about a chestnut, but there's this: http://lists.openstack.org/pipermail/openstack-operators/2011-October/000297.html
-Clay On Mon, Sep 14, 2015 at 10:18 PM, Chris Friesen <chris.frie...@windriver.com > wrote: > On 09/14/2015 08:59 PM, Mark Kirkwood wrote: > >> Hi, >> >> Sorry if this is a bit of a chestnut, but I notice that >> http://docs.openstack.org/developer/swift/deployment_guide.html >> recommends: >> >> $ mount -t xfs -o noatime,nodiratime,nobarrier,logbufs=8 /dev/sda1 >> /srv/node/sda >> >> in particular the 'nobarrier' is of interest here. It seems to me that >> there should be qualifiers mentioning the disk cache setting at least >> (i.e disabled) and perhaps the cache+battery settings for any adapter >> card that the disk device is plugged into. Otherwise there is a risk of >> data loss or corruption on host power loss that could take a long time >> for the various updater, auditor processes to pick up let alone fix. >> Thoughts? >> > > I agree, just recommending "nobarrier" without any caveats is asking for > trouble. > > Chris > > > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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