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Topic Title: Backup: Which files/directories are needed?
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Created On: 30-Jun-2003 12:26
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Answer This question was answered by Matthias Schwellenberg, on Wednesday, July 9, 2003 12:00 PM

Answer:
This days I got an official answer from Telelogic Support:

"Hello Matthias,

We do not have any system backup procedure.
I will describe below what you need to do.

When you install CS4.2 under Unix, it will put its files in the directory you select.
It will also modify/add files in the CCM directory (CCM_HOME).
-It will add a library "$CCM_HOME/lib/intlib.a"
-It will add a file "$CCM_HOME/etc/ptcli.cfg"
-It will modify the file "$CCM_HOME/etc/ccminit"
-It will create a directory "$CCM_HOME/etc/cs" with files and another directory inside.

In addition to that, you maybe have install a ldap server in another directory than the one used for CS, and you will need it.

So if you want to make a system backup of CS, you will need to stop CS and its ldap server (if you use one), then backup the different files/directories listed above.

Don't forget that CS uses CCM to connect to its bases. So if you want to save all you need to make CS works from scratch, you must in fact save:
-the CCM directory
-The informix chunks
-The CS directory
-The ldap directory
-The bases directories.

As I told you in the beginning, we did not try this procedure, so you will have to test it!! [...]"

But that's not very satisfying.

I think we'll have to do some "trial and error".
 30-Jun-2003 12:26
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Matthias Schwellenberg

Posts: 15
Joined: 12-Jun-2003

Has anyone experiences in CS-Backups? Which files will I need to make a new clean CS-installation (e.g. on an other server) work containing all data from the backuped one?
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 1-Jul-2003 08:52
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Russ Braithwaite

Posts: 41
Joined: 13-Jun-2003

I've been working on this very recently for our CS 4.2 servers (& not finished yet). The data I've decided to back up includes: process package (i.e. the xml file in the cr_process dir.); pt.cfg; pt_listbox.cfg & the user profiles under %ccm_home%\etc\cs\users. I decided not to back up the temp. queries/reports folders under trapeze\wsfiles because they only live for 24 hours max.

We hold other stuff which might be needed (e.g. patch & forms packages) securely elsewhere. Note also that a lot of these files probably cannot be restored directly to a backup installation on another server (the exception being the packages); instead a lot of cutting and pasting would be needed to fully replicate the various *.cfg files. Neither have I tried any of this out in anger yet - just the backing up, not the restores.

-------------------------
Russ Braithwaite
Software Configuration Management
Friends Provident
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 9-Jul-2003 09:08
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Hemant Jain

Posts: 9
Joined: 24-Jun-2003

If your login authentication is done via the bundled LDAP (OctetString's VDE) then the backup must also include the necessary User repository file(s). Haven't yet figured out which ones and there's hardly any mention of this product in the CS installation documentation.

Edited: 9-Jul-2003 at 09:13 by Hemant Jain
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 9-Jul-2003 10:44
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Russ Braithwaite

Posts: 41
Joined: 13-Jun-2003

Good point - we moved off the supplied LDAP and used OS authentication when we upgraded from 4.1 to 4.2 but the same would apply if any other 3rd-party LDAP local to that server was used.

Speaking of undocumented features: if anything has been added to the Perl API (not documented in 4.2 but I believe it's official in 4.3) then backups may be needed for some contents within the cs_app\perl directories.

-------------------------
Russ Braithwaite
Software Configuration Management
Friends Provident
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 9-Jul-2003 12:00
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Matthias Schwellenberg

Posts: 15
Joined: 12-Jun-2003

Answer Answer
This days I got an official answer from Telelogic Support:

"Hello Matthias,

We do not have any system backup procedure.
I will describe below what you need to do.

When you install CS4.2 under Unix, it will put its files in the directory you select.
It will also modify/add files in the CCM directory (CCM_HOME).
-It will add a library "$CCM_HOME/lib/intlib.a"
-It will add a file "$CCM_HOME/etc/ptcli.cfg"
-It will modify the file "$CCM_HOME/etc/ccminit"
-It will create a directory "$CCM_HOME/etc/cs" with files and another directory inside.

In addition to that, you maybe have install a ldap server in another directory than the one used for CS, and you will need it.

So if you want to make a system backup of CS, you will need to stop CS and its ldap server (if you use one), then backup the different files/directories listed above.

Don't forget that CS uses CCM to connect to its bases. So if you want to save all you need to make CS works from scratch, you must in fact save:
-the CCM directory
-The informix chunks
-The CS directory
-The ldap directory
-The bases directories.

As I told you in the beginning, we did not try this procedure, so you will have to test it!! [...]"

But that's not very satisfying.

I think we'll have to do some "trial and error".


Edited: 9-Jul-2003 at 12:01 by Matthias Schwellenberg
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