On Tue, Jul 1, 2014 at 6:21 AM, Osanai, Hisashi < [email protected]> wrote:
> > Hi, > > In the following document, there is a setup up procedure for storage and > it seems that swift recommends to use xfs. > > > http://docs.openstack.org/icehouse/install-guide/install/yum/content/installing-and-configuring-storage-nodes.html > === > 2. For each device on the node that you want to use for storage, set up the > XFS volume (/dev/sdb is used as an example). Use a single partition per > drive. > For example, in a server with 12 disks you may use one or two disks for the > operating system which should not be touched in this step. The other 10 > or 11 > disks should be partitioned with a single partition, then formatted in XFS. > === > > I would like to know the reason why swift recommends xfs rather than ext4? > The install guide only recommends a single path, not many options, to ensure success. There's a little bit of discussion in the developer docs: http://docs.openstack.org/developer/swift/deployment_guide.html#filesystem-considerations I think that packstack gives the option of using xfs or ext4, so there must be sufficient testing for ext4. Anne > > I think ext4 has reasonable performance and can support 1EiB from design > point of view. > # The max file system size of ext4 is not enough??? > > Thanks in advance, > Hisashi Osanai > > > _______________________________________________ > OpenStack-dev mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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