Thank you all!! This all makes more sense now. I think I know the direction where we are heading.
Justin On Apr 4, 2015 6:18 PM, "Don Doerner" <don.doer...@quantum.com> wrote: > Hi Justin, > > > > Ceph, proper, does not provide those services. Ceph *does* provide Linux > block devices (look for Rados Block Devices, aka, RBD) and a filesystem, > CephFS. > > > > I don’t know much about the filesystem, but the block devices are present > on an RBD client that you set up, following the instructions at ceph.com. > If you need those block devices “converted” into iSCSI devices, you’ll > need to include a target driver, e.g., LIO. Issues of high-availability > will involve appropriate deployment and configuration of your RBD clients > and target driver technology – not such a trivial undertaking. > > > > Good luck with your configuration… > > > > -don- > > > > *From:* ceph-users [mailto:ceph-users-boun...@lists.ceph.com] *On Behalf > Of *Justin Chin-You > *Sent:* 04 April, 2015 06:31 > *To:* ceph-users@lists.ceph.com > *Subject:* [ceph-users] Understanding High Availability - iSCSI/CIFS/NFS > > > > Hi All, > > > > Hoping someone can help me understand CEPH HA or point me in the direction > of a doc I missed. > > > > I understand how CEPH HA itself works in regards to PG, OSD and > Monitoring. However what isn't clear for me is the failover in regards to > things like iSCSI and the not yet production ready CIFS/NFS. > > > > Scenario: > > I have 2 servers that are peered and running CEPH and I am replicating > between both. Using CEPH I have iSCSI targets and CIFS/NFS stores. > > > > In the event a server should fail how are iSCSI Initiators and CIFS/NFS > clients re-directed? I am assuming Multipath and Virtual IPs but I can't > figure out if this is something I need to configure/run on the OS side or > if it is in CEPH itself. > > > > Any help appreciated! > > > > Thanks! > ------------------------------ > The information contained in this transmission may be confidential. Any > disclosure, copying, or further distribution of confidential information is > not permitted unless such privilege is explicitly granted in writing by > Quantum. Quantum reserves the right to have electronic communications, > including email and attachments, sent across its networks filtered through > anti virus and spam software programs and retain such messages in order to > comply with applicable data security and retention requirements. Quantum is > not responsible for the proper and complete transmission of the substance > of this communication or for any delay in its receipt. >
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