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(a)ddn.com On 3/19/14, 8:18 AM, "Jones, Peter A" <peter.a.jones(a)intel.com&gt; 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(a)gmail.com&gt; 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 &gt;&gt;&lt;peter.a.jones(a)intel.com&gt; >>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 >>> > >_______________________________________________ >HPDD-discuss mailing list &gt;HPDD-discuss(a)lists.01.org >https://lists.01.org/mailman/listinfo/hpdd-discuss