[ovirt-users] storage redundancy in Ovirt

[FERNANDO FREDIANI]

If this works in this way then it's a huge downside in the architecture. 
Perhaps someone can clarify in more details.

Fernando


On 15/04/2017 14:53, Konstantin Raskoshnyi wrote:
> Hi Fernando,
> I see each host has direct connection nfs mount, but yes, if main host 
> to which I connected nfs storage going down the storage becomes 
> unavailable and all vms are down
>
>
> On Sat, Apr 15, 2017 at 10:37 AM FERNANDO FREDIANI 
> <fernando.frediani at upx.com <mailto:fernando.frediani at upx.com>> wrote:
>
>     Hello Konstantin.
>
>     That doesn`t make much sense make a whole cluster depend on a
>     single host. From what I know any host talk directly to NFS
>     Storage Array or whatever other Shared Storage you have.
>     Have you tested that host going down if that affects the other
>     with the NFS mounted directlly in a NFS Storage array ?
>
>     Fernando
>
>     2017-04-15 12:42 GMT-03:00 Konstantin Raskoshnyi
>     <konrasko at gmail.com <mailto:konrasko at gmail.com>>:
>
>         In ovirt you have to attach storage through specific host.
>         If host goes down storage is not available.
>
>         On Sat, Apr 15, 2017 at 7:31 AM FERNANDO FREDIANI
>         <fernando.frediani at upx.com <mailto:fernando.frediani at upx.com>>
>         wrote:
>
>             Well, make it not go through host1 and dedicate a storage
>             server for running NFS and make both hosts connect to it.
>             In my view NFS is much easier to manage than any other
>             type of storage, specially FC and iSCSI and performance is
>             pretty much the same, so you won`t get better results
>             other than management going to other type.
>
>             Fernando
>
>             2017-04-15 5:25 GMT-03:00 Konstantin Raskoshnyi
>             <konrasko at gmail.com <mailto:konrasko at gmail.com>>:
>
>                 Hi guys,
>                 I have one nfs storage,
>                 it's connected through host1.
>                 host2 also has access to it, I can easily migrate
>                 vms between them.
>
>                 The question is - if host1 is down - all
>                 infrastructure is down, since all traffic goes through
>                 host1,
>                 is there any way in oVirt to use redundant storage?
>
>                 Only glusterfs?
>
>                 Thanks
>
>
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