[ https://forge.continuent.org/jira/browse/SEQUOIA-304?page=all ]
Pascal Bresson closed SEQUOIA-304:
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Assign To: (was: Pascal Bresson)
Considered as Fixed
> Essential information missing in the Sequoia User guide
> -------------------------------------------------------
>
> Key: SEQUOIA-304
> URL: https://forge.continuent.org/jira/browse/SEQUOIA-304
> Project: Sequoia
> Type: Improvement
> Components: Documentation
> Versions: Sequoia 2.6
> Environment: N A
> Reporter: Olle Östlund
> Fix For: Sequoia 2.8.1
>
>
> Sequoia seems to be a very useful and well functioning piece of software. It
> certainly is a very interesting product when building server-clusters for
> improved robustness and performance. After a few weeks of working with
> Sequoia, trying to set up a production web-server cluster using Sequoia as
> database storage, I would like to pinpoint a few but important pieces of
> information I find missing in the Sequoia User guide, or any other related
> guide I have managed to find.
> SEQUOIA SERVICE MANAGEMENT
> The supplied documentation provide very little information on how to install
> the Sequoia system as a well integrated service on different platforms.
> Searching the net does not help much either. In my case, I have been trying
> to install Sequoia on a Suse Linux-system, and basically I have had to do
> quite a lot of tedious research/experiments and then write all
> startup/shutdown and maintenance scripts from scratch.
> The UserGuide hardly touches the subject. In fact it says very lille about
> how you start Sequoia up, and it hardly mentions how you bring it down. I
> guess this is because it seems Sequoia is a bit awkward to shut down.
> I would like the guide to include a good explanation on how to install the
> Sequoia services. It can be done fairly generic for Unix/Linux. Please
> explain the processes created, how to start things and how to bring the
> system down.
> SEQUOIA BACKUP AND RESTORE
> In a production environment having a well functioning and reliable system for
> backup and restore is essential. A key feature of this is that you actually
> understand how things work. Reading the backup/restore chapters in the User
> Guide unfortunately leaves me with a lot of questions. I can not say that I
> have a reliable and well functioning system for backup and restore, because I
> do not fully understand how it is supposed to work, or how I am supposed to
> use it. Please rework these chapters and give us a better picture of how
> things work and how we are supposed to use it.
> Here are some of the questions I would like to have answered. Lets assume we
> have a system of one Sequoia controllers and two backends:
> - Why is the Sequoia backup operation referring to a specific backend? If I
> understand things right backing up any of the two backends of our controller
> is quite enough, and this backup can be used to restore any of the two
> backends. Is this correct.? If so, I think it should be clearified in the
> UserGuide that backing up any one enabled backend of a controller is enough,
> and that there is no need to backup every backend.
> - To actually perform a Sequoia backup and restore, one need a Backuper that
> perform well with the backend DBMS, and a working
> <Backup<Backuper>-configuration. Today it is very much up to the user to put
> together a working Sequoia backup-restore system. If Octopus doesn't do the
> job, well...I think Sequoia need to be able to provide a lot more proven
> working configurations to attract "new customers". The number of
> production-quaility DBMS is quite limited. Sure you can dig up a few more
> working configurations covering Postgres, Oracle, MySql, SQLServer, ...
> - The <Backup><Backuper> attribute "options" may include a "dumpServer"
> directive. This indicates the possibility to define some kind of
> client-server functionality, but I can not figure out what?
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