hi


pls help me to make understand the safety backups of mx-one like data_backup , config_mirror , eri_sn_safety_backup and differences between them ,....?


br

sajesh

data_backup - stores the program units
config_mirror - stores the last data_backup, license file, and some config files that are stored normally on SLES(Ex: /etc)
eri_sn_safety_backup - didn't used it, but I guess saves the eri_sn state/program unit + data_backup

hi

thanx for the reply...

pls tell where these backups are getting store...in lim 1 or in all lims...?



br

sajesh

hi


thnx for the reply....

pl tell me , where these backups are getting stored, in lim 1 or in all lims ?

br

sajesh

the backups are stored in lim1 if is a multi-lim environment

No!
It is not that simple.
Each LIM/Server holds its own Plex type backup data from a 'data_backup' in directory /var/opt/eri_sn. LDAP data is also saved locally, but the master LDAP is normally in server 1.

Data from a 'config_mrror' is stored in /eri_sn/mirror on server 1 but can be automatically copied to other servers using the '-export' switch.

The 'eri_sn_safety_backup' command is designed to produce an off-site backup which can be used to restore the whole system in case of catastophic failure.
The output of this can be saved to any mounted filesystem e.g. flash drive, NFS, SAMBA share. There is a configuration file for this; /etc/opt/eri_sn/safety_backup.conf

Do you guys have access to the CPI document collection?

thnx himdp



could u plz explain how exporting of config mirror is performed using -export and the procedures n precautions to take eri_sn_safety_backup...?


br

sajesh

With 'config_mirror', the default is to create the /eri_sn/mirror directory containng a data_backup for every server in the system and then copy that to every server in the system using rsync. This could result in a lot of data traversing the customer network. To conrol this, the '-export' switch was introduced.

With no parameter, '-export' will prevent the copying of the mirror data to other servers. This is not advisable as the repair server process uses the mirror data. If it only exists on server 1 and server 1 fails, you are in trouble.

If you have access to a TSE system use the command 'config_mirror -?' fr more info.

If you have access to the CPI documentation collection, look at 'Administrator User's Guide 154 31-ANF 901 43' which details the differences and strategies for various backups.

It is best to perform 'config_mirror' and 'eri_sn_safety_backup' in low traffic using a 'cron' job.

thnx himdp


cron job was my next question.....pls tell me how to set a cron job that takes config_mirror on each sunday night 0000hr....sorry i am newer to tse...


thnx

sajesh

hi


i solved my crontab doubt....



sajesh