Page under construction (migrated from wiki but production changes were made and needed to be finished before reporting data here)
Data
Control system data was saved in a Sun Storagetek 2550 Disk Array (LAT room) connected with two fiber optic paths to beatrix and virgil, the old production cluster. Now it's all stored and exported to us from the IT department of LNF; These are the folders in which data is organized:
| Host | Folder | Backup Folder (nascoda1/2) | Description |
|---|---|---|---|
| dafnenfs | /data/diskless | diskless | Filesystem for VMIC diskless clients |
| dafnenfs | /data/export/exec/Solaris_9_sparc.all/usr | force_usr | User Filesystem for Force diskless clients |
| dafnenfs | /data/export/root | force_root | Root Filesystem for Force diskless clients |
| dafnenfs | /data/export/swap | force_swap | SWAP for Force diskless clients |
| dafnenfs | /data/u1 | u1 | |
| dafnenfs | /data/u2 | u2 | Control system, home folders (dafne, vmic e VMs) and other files |
| dafnenfs | /data/u3 | u3 | LVTemp, /data/u2 backup and other sensible files |
| dafnenfs | /siddharta/dataFromSiddharta | siddharta/dataFromSiddharta | Data written from Siddharta experiment useful for DAFNE |
| dafnenfs | /siddharta/dataFromDafne | siddharta/dataFromDafne | Data written from DAFNE useful for Siddharta experiment |
| dafnenfs | /data/backup_linac | - | vllinacctr001 VM backup |
| danteweb | /var/lib/mysql | mysql | Database files (backup disabled; to be re-enabled soon) |
| danteweb | /var/www | apache | Web files (backup disabled; to be re-enabled soon) |
Table 1 - data folders
Configurations
Configuration files to be saved:
| Server | Folder | Backup Folder (nascoda1/2) | Description |
|---|---|---|---|
| /etc | server_data/danteweb/etc | Apache, MySQL, Memcached config files and all needed for a rollback | |
| danteweb | /opt | server_data/danteweb/opt | Service scripts and data, including a crontab snapshoot |
| dafnenfs | /etc | server_data/dafnenfs/etc | Configuration files (never stored) |
| vlmonitor01 | /etc/nagios | server_data/vlmonitor01/etc/nagios | Nagios configuration |
| vlmonitor01 | /var/spool/nagios | server_data/vlmonitor01/var/spool/nagios | Nagios home (with public/private keys) |
| vlmonitor01 | /opt/nagios_custom_plugins | server_data/vlmonitor01/opt/nagios_custom_plugins | Nagios custom plugins |
Table 2 - configuration folders
Backup planning
Backup crontab are planned as Table 3 reports.
| Server | Backup frequency | Time | Description |
|---|---|---|---|
| danteweb | To be implemented | | |
| dafnenfs | To be implemented | | |
| vlmonitor01 | To be implemented | |
Table 3 - Backup planning
Snapshot and replica
Backups have to be planned on NAS nascoda1.lnf.infn.it (LAT room) and rsynced on NAS nascoda2.lnf.infn.it (Control Lab, Building 2, Room 117) with following planning (including single volume snapshots):
| Source NAS | Destination NAS | Operation | Frequency | Time | Description |
|---|---|---|---|---|---|
| nascoda1 | local | Data volume snapshot | Daily | 00:05 | Snapshot kept fpr 1 month |
| nascoda1 | nascoda2 | NAS system volume snapshot and replica | Daily | 00:55 | Local NAS system volume snapshot and replica on nascoda2 |
| nascoda1 | local | Configuration volume snapshot | Weekly (Sunday) | 01:05 | Snapshot kept fpr 1 month |
| nascoda1 | nascoda2 | Data and configuration volume sync | Daily | 04:00 | rsync from nascoda1 to nascoda2 of all volumes |
| nascoda2 | local | Data volume snapshot | Daily | 00:05 | Snapshot kept fpr 1 month |
| nascoda2 | nascoda1 | NAS system volume snapshot and replica | Daily | 00:55 | Local NAS system volume snapshot and replica on nascoda1 |
| nascoda2 | local | Configuration volume snapshot | Weekly (Sunday) | 01:05 | Snapshot kept fpr 1 month |
Table 4 - Snapshot and replica planning
Montly manual backup
Manual backup made every month (.tar.gz) of all data folder and saved in shared folder "DCS Backups" on nascoda1.lnf.infn.it