Check my understanding of the composer bits/architecture

From the documentation, this is my understanding of the process of creation of composer pool (clearly I'm to use servers esxi with SSDS, just for the storage of the replicas and clones):

Name of the virtual machine

Model or snapshot

Note

Data store

Win7-base

Put all the apps here: Office, Adobe, Flash, etc. to optimize it

Production (no ssd)

Clone of the above, then convert to template: Win7-GoldMaster model

This can be used to easily launch another vm base if you need to create a new model, etc...

Production

Win7-Parent (deployed the model above)

Install agent here, any software that may be specific to this pool

Production

Create the snapshot

This snapshot will be used to create replicas

Production

Replica (founded snapshot, created in the pool)

The replica is the basis of the clone vms that are created in the pool

SSD

Clone virtual machines

Automatically created

Do not separate the replica and clones (you can, but no reason here)

SSD

Did I leave anything? Have I misunderstood something?

  1. Also I wonder: is this 'ok' or even 'good practices' to create a second snap-shot of a Vm parent (in my example above 'Win7-Parent')?
  2. Also - is there a decent way to calculate the necessary storage? If my parents VM is say 35 GB, so what size replicas will get, and how big can I expect from the clones to get if I ever need to recompose? (especially to try to understand how many clones + replica I can get on an SSD of guests) - or I have to create a new parent for each new pool I want to create?
  3. So - I have reason to think that the line should be on the SSD (the same data bank where the clones will be) for performance reasons?
  4. Also - is it wise to use clones related to persistent desktop computers? I guess that if the file and shift profile is in place, then it shouldn't really matter if the virtual machine never gets "blended" or "refreshed", it should?
  5. What is the difference between "blended" and "refreshed" and "rebalanced" anyway?

Thanks for any clarification, you can help me!

TedH256 wrote:

Fantastic - thank you, I feel like I'm almost ready to start. A subject more to clarify, if I could:

(1) on my list - I don't know when I have to join the workstation to the domain? Master Gold that I create the snapshot of? Or... when?

(2) I've heard people say I should not join the image of the workstation to the domain (but rather use a specification of customization to do) and I've heard of other customization plug say does not work and that quickprep must be used instead.

Who is this?

(3) and if the customization form 'do not work', so how to get the information about the domain to which the workstation should be attached to quickprep?

1: unless you need to join a domain to install a special application or have something applied to the base image, then there is really no need to attach the machine parent domain because it is not manipulated post creation of the clone by quickprep or sysprep you noted.

2: when you create a pool you have the possibility to choose Sysprep or leave the default value which is quickprep.   I've used both in the past and quickprep is the fastest and easiest method in my opinion.  I think that the commune of consensous is to use Sysprep when you can have an application that requires a unique SID for the clone or some other special use cases.

3: Quickprep uses the account you setup to View deal joining the domain and you can specify what UO to position it in through the pool settings.

One thing to note is that the option of choosing sysprep or quickprep is available on the pool creation and cannot be changed once the pool has been created.   If you want to change it, you must create a new pool.

I think that covers everything, and of coruse, there are a lot of people on the Board of Directors to develop or correct me if I missed something.   Good luck and let us know if we can help you.

Tags: VMware

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    > alter session set NLS_DATE_FORMAT = "dd-mm-yyyy HH24:mi:ss.

    session the changed VALUE.

    > create table tst (c number)

    table created TST.

    > insert in TCT select level c. from dual connect by level<>

    99 inserted rows.

    > validation

    committed.

    We will collect statistics on the TST table...

    > exec ('HR', 'TST') SYS.dbms_stats.gather_table_stats

    anonymous block filled

    > select table_name, num_rows, last_analyzed from user_tables where table_name = 'TST '.

    TABLE_NAME, NUM_ROWS LAST_ANALYZED

    ---------- ---------- ---------------------

    TCT 99 04/12/2013-17:58:51

    NUM_ROWS account (about) the correct number of rows.

    We will insert several lines and check the statistics.

    > insert in TCT select level c. from dual connect by level<>

    999 inserted rows.

    > validation

    committed.

    > select table_name, num_rows, last_analyzed from user_tables where table_name = 'TST '.

    TABLE_NAME, NUM_ROWS LAST_ANALYZED

    ---------- ---------- ---------------------

    TCT 99 04/12/2013-17:58:51

    NOTE: The NUM_ROWS and LAST_ANALYZED have not changed... YET.

    > exec ('HR', 'TST') SYS.dbms_stats.gather_table_stats

    anonymous block filled

    > select table_name, num_rows, last_analyzed from user_tables where table_name = 'TST '.

    TABLE_NAME, NUM_ROWS LAST_ANALYZED

    ---------- ---------- ---------------------

    TST 1098 17:58:52 04/12/2013

    Now we have complete and up-to-date statistics.

    Hope it will be useful.

    VR,

    Sudhakar

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