Backup su File con Amanda

• Definire il tapetype:

sudoedit /etc/amanda/DailySet1/amanda.conf

define tapetype VIRTUAL {
    comment "Dump onto hard disk"
    length 198 Gbytes 	# specified in mbytes to get the exact size of 3GB
}

• Impostare il tapetype:

sudoedit /etc/amanda/DailySet1/amanda.conf 

tapetype VIRTUAL

• Impostare il tape-changer

sudoedit /etc/amanda/DailySet1/amanda.conf

tpchanger "chg-disk"
tapedev "file:/files/amandatapes/DailySet01/slots"
changerfile "/files/amandatapes/DailySet01/chg-disk-status"    # status files prefix
# changerdev is ignored

• Impostare il numero di nastri:

sudoedit /etc/amanda/DailySet1/amanda.conf

tapecycle 24

• Creare le directory per i nastri

sudo  mkdir -p /files/amandatapes/DailySet01/slots
sudo chown -R backup: /files/amandatapes
sudo -i -u backup

cd /files/amandatapes/DailySet01/slots
TAPENUMS=$(seq 1 24)
for i in $TAPENUMS; do mkdir -p slot$i; done
ln -s slot1 data

• Verificare:

ls -al

drwxr-xr-x 26 backup backup 4096 2010-03-22 12:24 .
drwxr-xr-x  3 backup backup 4096 2010-03-22 12:16 ..
lrwxrwxrwx  1 backup backup    5 2010-03-22 12:24 data -> slot1
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot1
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot10
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot11
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot12
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot13
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot14
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot15
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot16
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot17
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot18
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot19
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot2
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot20
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot21
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot22
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot23
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot24
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot3
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot4
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot5
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot6
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot7
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot8
drwxr-xr-x  2 backup backup 4096 2010-03-22 12:18 slot9

• Labeling dei tapes:

touch /etc/amanda/DailySet1/tapelist
for i in $TAPENUMS; do amlabel DailySet1 Tape-$i slot $i; done

• Controllare:

amcheck DailySet1

Amanda Tape Server Host Check
-----------------------------
slot 24: read label `Tape-24', date `X'
NOTE: skipping tape-writable test
Tape Tape-24 label ok
NOTE: host info dir /var/lib//amanda/DailySet1/curinfo/galstorage01 does not exist
NOTE: it will be created on the next run.
NOTE: index dir /var/lib/amanda/DailySet1/index/galstorage01 does not exist
NOTE: it will be created on the next run.
Server check took 0.058 seconds

Amanda Backup Client Hosts Check
--------------------------------
Client check: 1 host checked in 0.036 seconds, 0 problems found

(brought to you by Amanda 2.5.2p1)

• Controllare il funzionamento del changer:

amtape DailySet1 show

amtape: scanning all 24 slots in tape-changer rack:
slot 23: date X        label Tape-23
slot 24: date X        label Tape-24
slot 1: date X        label Tape-1
slot 2: date X        label Tape-2
slot 3: date X        label Tape-3
slot 4: date X        label Tape-4
slot 5: date X        label Tape-5
slot 6: date X        label Tape-6
slot 7: date X        label Tape-7
slot 8: date X        label Tape-8
slot 9: date X        label Tape-9
slot 10: date X        label Tape-10
slot 11: date X        label Tape-11
slot 12: date X        label Tape-12
slot 13: date X        label Tape-13
slot 14: date X        label Tape-14
slot 15: date X        label Tape-15
slot 16: date X        label Tape-16
slot 17: date X        label Tape-17
slot 18: date X        label Tape-18
slot 19: date X        label Tape-19
slot 20: date X        label Tape-20
slot 21: date X        label Tape-21
slot 22: date X        label Tape-22

• Resettare il changer:

amtape DailySet1 reset

amtape: changer is reset, slot 1 is loaded.

• Testare il backup

amdump DailySet1

• Verificare con

watch sudo -u backup amstatus DailySet1

Riferimenti

• How To:Set Up Virtual Tapes - The Open Source Backup Wiki (Amanda, MySQL Backup, BackupPC)
• http://wiki.zmanda.com/index.php/How_To:Backup_to_Virtual_Tapes_on_a_Windows_Server