[PVE-User] ZFS vs Ceph plugin

Philippe Schwarz phil at schwarz-fr.net
Thu Feb 19 15:24:19 CET 2015

Hash: SHA1

Le 19/02/2015 15:17, Eneko Lacunza a écrit :
> Hi Philippe,
> On 19/02/15 15:06, Philippe Schwarz wrote:
>> Wonderful ! Thanks for all. I'm on the way to set up a new HA
>> cluster from brand new machines. (You've seen my previous
>> questions a couple of days ago; next are coming soon ;-) )
>> May i understand, that i can install my 3-ways cluster (no SAN)
>> with ZFS as local FS layer AND build a redundant file system,
>> like Ceph on top of the ZFS storage layer; Getting that way best
>> of both world??
>> If so, i'm among the happiest guy in the IT-world.
> I don't think it's a good idea to build Ceph on top of ZFS. Ceph
> expects to give it full hard disks for storage and using ZFS with
> multiple disks will degrade performance.
> Cheers Eneko
OK, thanks for your answer.
In fact, i had a look in ceph since your previous mail.( February, 5th).
And Ceph seems really interesting indeed!
No SPOF, no need for external SAN,.... i'm currently working on the
change in configuration. (In fact, i'm waiting for my reseller sending
me proxmox-subscription license&tickets).

Filling the 3 servers with 1 SSD (for journal) and (at least) 4 disks.
Pretty elegant solution, no SPOF, but ...no experience on ceph (on the
opposite, i'm used to ZFS..which is not a clustered FS..).

To be continued.
best regards
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