fbackup

Michael Poland_3 — Mon, 09 May 2005 21:29:59 GMT

I've found that fbackup does not appear to do what's reported. We use a Sony AIT-2. Please see the examples below:
Example 1.
----------
# fbackup -f - -i /101/101/tttutl -v > /dev/rmt/0m
fbackup(1004): session begins on Tue May 10 13:56:20 2005
fbackup(3024): writing volume 1 to the output file -
1: / 16
2: /101 1
3: /101/101 4
4: /101/101/tttutl 1
5: /101/101/tttutl/checkfile 1
6: /101/101/tttutl/tutl947101.bdt 8
7: /101/101/tttutl/tutl947101.bid 48
fbackup(1005): run time: 1 seconds
fbackup(3055): total file blocks read for backup: 79
fbackup(3056): total blocks written to output file -: 120
# frecover -x -N -v -f - < /dev/rmt/0m
#

i.e. nothing reported.

Example 2.
----------
But if we run:
# fbackup -f - -i /101/101/ttttxt -i /101/101/tttutl -v > /dev/rmt/0m
fbackup(1004): session begins on Tue May 10 14:26:30 2005
fbackup(3024): writing volume 1 to the output file -
1: / 16
2: /101 1
3: /101/101 4
4: /101/101/ttttxt 4
5: /101/101/ttttxt/ttxt001101.bdt 24632
6: /101/101/ttttxt/ttxt001101.bid 5432
7: /101/101/ttttxt/ttxt002101.bdt 41032
8: /101/101/ttttxt/ttxt002101.bid 23912
9: /101/101/ttttxt/ttxt003101.bdt 0
10: /101/101/ttttxt/ttxt003101.bid 32
11: /101/101/ttttxt/ttxt004101.bdt 8
12: /101/101/ttttxt/ttxt004101.bid 32
13: /101/101/ttttxt/ttxt005101.bdt 8
14: /101/101/ttttxt/ttxt005101.bid 56
15: /101/101/ttttxt/ttxt006101.bdt 16
16: /101/101/ttttxt/ttxt006101.bid 176
17: /101/101/ttttxt/ttxt007101.bdt 8
18: /101/101/ttttxt/ttxt007101.bid 48
19: /101/101/ttttxt/ttxt008101.bdt 8
20: /101/101/ttttxt/ttxt008101.bid 88
21: /101/101/ttttxt/ttxt009101.bdt 8
22: /101/101/ttttxt/ttxt009101.bid 40
23: /101/101/ttttxt/ttxt010101.bdt 94344
24: /101/101/ttttxt/ttxt010101.bid 4280
25: /101/101/tttutl 1
26: /101/101/tttutl/checkfile 1
27: /101/101/tttutl/tutl947101.bdt 8
28: /101/101/tttutl/tutl947101.bid 48
fbackup(1005): run time: 22 seconds
fbackup(3055): total file blocks read for backup: 194243
fbackup(3056): total blocks written to output file -: 194370
# frecover -x -N -v -f - < /dev/rmt/0m
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt001101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt002101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt002101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt003101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt003101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt004101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt004101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt005101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt005101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt006101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt006101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt007101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt007101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt008101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt008101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt009101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt009101.bid
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt010101.bdt
-rw-rw-rw- bsp bsp /101/101/ttttxt/ttxt010101.bid
drwxrwx--- bsp bsp /101/101/tttutl
-rw-rw-rw- root sys /101/101/tttutl/checkfile
-rw-rw-rw- bsp bsp /101/101/tttutl/tutl947101.bdt
-rw-rw-rw- bsp bsp /101/101/tttutl/tutl947101.bid
#

Any ideas as to why it should not report anything on tape under the first example?

Re: fbackup

Rajeev Shukla — Mon, 09 May 2005 21:56:08 GMT

Hi Michael,

I have never seen using fbackup with a redirect (>) to device file. Have a look at the man pages of fbackup and frecover.
Here is what i would suggest to use

#fbackup -v -i /101/101/tttutl -f /dev/rmt/0m

Cheers
Rajeev

Re: fbackup

Michael Poland_3 — Mon, 09 May 2005 22:16:26 GMT

Can't do that format as the SOny AIT is not recognised.

Re: fbackup

Michael Poland_3 — Tue, 10 May 2005 00:03:39 GMT

This is what happens if I try the -f switch:

# fbackup -v -i /101/101/tttutl -f /dev/rmt/0m
fbackup(1004): session begins on Tue May 10 17:00:36 2005
fbackup(3038): output file /dev/rmt/0m is not a valid device file for backup
fbackup(3019): would you like to enter a new output file?
n
fbackup(3022): would you like to continue this session?
n
fbackup(3004): writer aborting
fbackup(1002): Backup did not complete : Reader or Writer process exit

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