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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-bounces@xxxxxxxxxxxxxx] On Behalf Of Justin Chin-You 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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