Hi Zang: Basically, it makes no sense to use Swift on top of RAID because Swift just delivers replication schema. Regards, JuanFra. 2012/12/19 Hua ZZ Zhang <zhuadl at cn.ibm.com> > Hi, > > I have read the admin document of Swift and find there's recommendation of > not using RAID 5 or 6 because swift performance degrades quickly with it. > Can anyone explain why this could happen? If the RAID is done by hardware > RAID controller, will the performance issue still exist? > Anyone can share such kind of experience of using RAID with Swift? > Appreciated for any suggestion from you. > > -Zhang Hua > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack at lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20121219/93c4e20a/attachment.html>