[cdwg] [HPDD-discuss] Which stable version to install

[Jones, Peter A]

It may work but 1.8.x clients running against 2.5.x servers was not tested
during the 2.5.x release cycle.

On 3/19/14, 12:12 PM, "Dennis Nelson" <dnelson at ddn.com> wrote:

>So, Peter, are you saying that Lustre 1.8.9 clients will not work or be
>supported with Lustre 2.5.x servers?
>
>-- 
>Dennis Nelson
>Mobile: 817-233-6116
>
>Applications Support Engineer
>DataDirect Networks, Inc.
>dnelson at ddn.com
>
>
>
>
>
>
>On 3/19/14, 8:18 AM, "Jones, Peter A" <peter.a.jones at intel.com> wrote:
>
>>Matt
>>
>>I can¹t say that a clear answer jumps out from the below. If you want to
>>keep the door open to possibly interoperating to a 1.8.x release in the
>>future then 2.4.3 might be the best bet, but once you explore HSM you
>>will
>>need 2.5.x. At this point in time, the information that I have suggests
>>2.4.x releases are being quite widely used, so a conservative approach
>>might be to move initially to 2.4.3 and then upgrade to a 2.5.x release
>>when you are ready to use HSM.
>>
>>Let us know how you get on!
>>
>>Peter
>>
>>On 3/18/14, 7:57 AM, "Matt Bettinger" <iamatt at gmail.com> wrote:
>>
>>>Hello,
>>>
>>>We currently run 2 lustre file systems 1.8.6 (qdr)  and 1.8.8 (fdr).
>>>We will be taking 1.8.6 off-line for an "upgrade" ( bare metal
>>>reinstall of OS and lustre!) to 2.X.
>>>
>>> I see quite a bit of activity on different releases which is a
>>>confusing as to decide which release to install.  What is the main
>>>'stable' release that is suggested for a new 2.X installation?  2.5?
>>>We are interested in looking at the newer tools such as lester,
>>>robinhood, latest collectl, and the HSM bits.    The interconnects are
>>>Mellanox  QDR to a very finicky IBM IB switch and fibre back end.  The
>>>OS is going to be RHEL or CentOs but does not matter however we would
>>>prefer to use the lustre RPMs if possible so 6.4/6.5 I am guessing.
>>>We have two MDS available on this system as well.
>>>
>>>It is not a requirement that the 1.8.8 be able to talk to 2.X through
>>>Linux gateway routers  but things change and we may need to have 1.8.8
>>>cross mount the new 2.x.  Does that have any bearing on which 2.X
>>>version we decide to land on?  Thanks~
>>>
>>>Matt Bettinger
>>>
>>>On Fri, Mar 14, 2014 at 2:05 PM, Jones, Peter A
>>><peter.a.jones at intel.com>
>>>wrote:
>>>>
>>>> Hi there
>>>>
>>>> Here is an update on the Lustre 2.6 release.
>>>>
>>>> Landings
>>>> ========
>>>>
>>>> -A number of landings made
>>>>http://git.whamcloud.com/?p=fs/lustre-release.git;a=shortlog;h=refs/hea
>>>>d
>>>>s
>>>>/master
>>>>
>>>> Testing
>>>> =======
>>>>
>>>> -Testing has continued on the 2.5.56 tag
>>>>
>>
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>