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Imanager and NSS64

Upgraded an existing 2 node cluster from oes11sp2 to oes2015 in order to
be able to start using pools larger then 8TB. All updates have been
applied. All imanager plugins have been upgraded to the latest
available. iManager running on either of the nodes does not show any
nss64 options like it should. Tomcat has been restarted as have each
of the servers as well. nssmu running on either server does deal with
nss64 just fine, but since the volumes are cluster enabled, nssmu is not
really a decent option.

Running the latest standalone workstation version of iManager 2.7.7.6
with updated plugins does work with nss64 as expected.

The latest version of iManager running directly on the OES2015 servers
is version 2.7.7. The available storage management and storage shared
plugins are newer for the 2.7.7.6 version of iManager, but since this is
OES, I have to run the latest OES compatible version which is 2.7.7
which forces me to run older plugins. Surely OES2015 wasn't released
without a working iManager that could utilize some of it's own newer
features.

What gives?
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On Wed, 23 Mar 2016 16:32:07 +0000, Mike wrote:

> Upgraded an existing 2 node cluster from oes11sp2 to oes2015 in order to
> be able to start using pools larger then 8TB. All updates have been
> applied. All imanager plugins have been upgraded to the latest
> available. iManager running on either of the nodes does not show any
> nss64 options like it should. Tomcat has been restarted as have each
> of the servers as well. nssmu running on either server does deal with
> nss64 just fine, but since the volumes are cluster enabled, nssmu is not
> really a decent option.


What are you looking at ?

It is not possible to change an existing NSS (or NSS32) pool and grow this
beyond 8TB.

When creating new (NSS64) pools however (either using iManager/NSSMU/NLVM)
you can go beyond the previous 8TB limitation, also when using iManager

> Running the latest standalone workstation version of iManager 2.7.7.6
> with updated plugins does work with nss64 as expected.
>
> The latest version of iManager running directly on the OES2015 servers
> is version 2.7.7. The available storage management and storage shared
> plugins are newer for the 2.7.7.6 version of iManager, but since this is
> OES, I have to run the latest OES compatible version which is 2.7.7
> which forces me to run older plugins. Surely OES2015 wasn't released
> without a working iManager that could utilize some of it's own newer
> features.
>
> What gives?


There is a difference between stand-alone iManager and iManager that comes
with OES

- runs on newer Tomcat vs older tomcat
- different patch releases
etc

In theory, you should always use the latest iManager version that comes
with the latest OES version, to manage latest OES services.

There may be small differences between the various plugins too.

Thanks
Hans

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Absent Member.
Absent Member.

On 3/29/2016 8:31 AM, Hans van den Heuvel wrote:
> On Wed, 23 Mar 2016 16:32:07 +0000, Mike wrote:
>
>> Upgraded an existing 2 node cluster from oes11sp2 to oes2015 in order to
>> be able to start using pools larger then 8TB. All updates have been
>> applied. All imanager plugins have been upgraded to the latest
>> available. iManager running on either of the nodes does not show any
>> nss64 options like it should. Tomcat has been restarted as have each
>> of the servers as well. nssmu running on either server does deal with
>> nss64 just fine, but since the volumes are cluster enabled, nssmu is not
>> really a decent option.

>
> What are you looking at ?
>
> It is not possible to change an existing NSS (or NSS32) pool and grow this
> beyond 8TB.
>
> When creating new (NSS64) pools however (either using iManager/NSSMU/NLVM)
> you can go beyond the previous 8TB limitation, also when using iManager
>


I'm really perplexed as to what in my wording made you think I was
having a problem changing an existing nss32 pool into an nss64 pool. It
obviously states in the documentation that you cannot do that. The
problem I was having is that even though the server was fully upgraded
to OES2015, the imanager running off that server still did not support
any NSS64 options after the update which meant that I couldn't create a
new nss64 pool with imanager. Since I could create an NSS64 pool with
NSSMU that told me something was botched with at least the imanager
upgrade and who knows what else. I ended up wiping and doing a
complete fresh install of SLES & OES 2015 on each server in the cluster
and that has fixed the problem.
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