[openstack-dev] [Manila] FFE Request: "glusterfs_native: negotiate volumes with glusterd"

Ben Swartzlander ben at swartzlander.org
Tue Mar 31 15:08:52 UTC 2015

On 03/31/2015 10:54 AM, Csaba Henk wrote:
> Hi Ben,
> please find my answer inline.
> ----- Original Message -----
>> From: "Ben Swartzlander" <ben at swartzlander.org>
>> To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org>
>> Sent: Monday, March 30, 2015 7:44:25 PM
>> Subject: Re: [openstack-dev] [Manila] FFE Request: "glusterfs_native: negotiate volumes with glusterd"
>> Thanks for going through the formal request process with this change.
>> One question I have that's not answered here is: what is the risk of
>> delaying this fix to Liberty? Clearly it needs to be fixed eventually,
>> but if we hold off and allow Kilo to ship as-is, will anything bad
>> happen? From the description above it sounds like the driver is
>> functional, and a somewhat awkward workaround (restarting the backend)
>> is required to deal with bug 1437176.
> The risk is usability of the driver. To put it like that, driver is
> architecturally broken -- storing all possible share backend instances
> in a config parameter is not something should be seen in release code.
>> Will users be subjected to any upgrade problems going from Kilo to
>> Liberty if we don't fix this in Kilo? Will there be any significant
>> maintenance problems in the Kilo code if we don't change it?
> OpenStack distributions might be tempted to backport the fix (to arrive at
> a usable driver) in which case they take up a maintenance burden.
> Csaba


-Ben Swartzlander

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