Paolo Tealdi wrote:
At 15.35 15/03/2006 +0000, Alex Zbyslaw wrote:
Paolo Tealdi wrote:
/dev/da0s1g 91399912 57543202 32028712 64% /home
Well, that does look like the whole disk, and the dates and levels of
the dumps look right...
What happens if you leave off the -L (but still doing just an
estimate)? (You shouldn't need
# dump 9SuBf 1000000000 - /home
DUMP: WARNING: should use -L when dumping live read-write filesystems!
DUMP: Date of this level 9 dump: Thu Mar 16 09:13:53 2006
DUMP: Date of last level 0 dump: Sat Mar 11 19:40:24 2006
DUMP: Dumping /dev/da0s1g (/home) to standard output
DUMP: mapping (Pass I) [regular files]
DUMP: mapping (Pass II) [directories]
DUMP: estimated 57703445 tape blocks.
Little differences because the it's in production
the redirection as nothing is actually dumped with -S). What does ls
-lsak /home show? If that's just a small number of users, then "ls
-lsak /home/*".
Is it conceivable that you have some process running which is
actually touching all the files in /home?
No.
This is an extract of the ls for a user directory
/home/BCI/avantag:
total 12098
2 drwx------ 8 bci bci 1024 Apr 27 2005 ./
2 drwxr-xr-x 20 bci bci 512 Mar 14 2005 ../
2 -rw------- 1 bci bci 30 Jan 16 2003 .qmail
22 -rw------- 1 bci bci 22528 Mar 21 2001 archivio_lib.doc
20 -rw------- 1 bci bci 19456 Mar 21 2001 archivio_per.doc
20 -rw------- 1 bci bci 19456 Mar 21 2001 archivio_tes.doc
2 drwx------ 4 bci bci 512 Apr 27 2005 biblioteca/
2 drwx------ 2 bci bci 512 Dec 28 2004 bookmark importati/
20 -rw------- 1 bci bci 19456 Mar 21 2001
classificazioni_lib.doc
2 drwx------ 2 bci bci 512 Dec 28 2004 doc.tealdi/
2 drwx------ 3 bci bci 512 Dec 28 2004 documenti/
2400 -rw------- 1 bci bci 2435127 Mar 21 2001 doppi_per_chiave.zip
5424 -rw------- 1 bci bci 5526904 Mar 21 2001
doppi_per_chiave_e_anno.zip
2 drwx------ 17 bci bci 1536 Mar 16 09:16 eudora/
400 -rw------- 1 bci bci 378880 Mar 21 2001
guida_configurazione_aleph500.doc
288 -rw------- 1 bci bci 271622 Mar 21 2001
lista_classificazioni_singole.zip
54 -rw------- 1 bci bci 53849 Mar 21 2001
lista_edizioni_singole.zip
3168 -rw------- 1 bci bci 3224349 Mar 21 2001
lista_intestazioni.zip
224 -rw------- 1 bci bci 201646 Mar 21 2001
lista_soggetti_singoli.zip
0 -rw------- 1 bci bci 0 Jan 16 2003 mailbox
2 drwx------ 2 bci bci 512 Dec 28 2004 maildir/
This is the output of restore -if <filename> for this directory.
restore > cd BCI/avantag
restore > ls
./BCI/avantag:
.qmail eudora/
archivio_lib.doc guida_configurazione_aleph500.doc
archivio_per.doc lista_classificazioni_singole.zip
archivio_tes.doc lista_edizioni_singole.zip
biblioteca/ lista_intestazioni.zip
bookmark importati/ lista_soggetti_singoli.zip
classificazioni_lib.doc mailbox
doc.tealdi/ maildir/
documenti/
numero_dei_volumi_esistenti_su_lib.doc
doppi_per_chiave.zip videoregistrazioni_cd.doc
doppi_per_chiave_e_anno.zip
Sorry, at this point I have no clue what's going on. Assuming
everything really is OK with the base system, then this looks like a bug.
Clutching at straws, here are some things I might try:
1) "which dump" - just to be absolutely sure
2) Remake dump from /usr/src.
3) Make sure base system is OK. Cvsup, buildworld, buildkernel etc.
This would bring you up to -p12 and require reboot. If behaviour still
the same, file a PR.
4) Depending on your C prowess, instrument dump with some debugging info
- at the point where it decides to back up a file, print out the
relevant variables (the dates on the file and the date that it is being
compared against). This will generate a lot of output but you can just
hit ^C after a few seconds of printing. I don't think gdb would be an
option as dump forks to
5) Do a level 0 of / home. Check that the restore actually works by
actually restoring at least some of it, not just using ls. Then newfs
/home being very careful and then restore it! (Being paranoid, I would
make more than one dump, including one to tape, and would restore one of
the backups to some spare disk).
--Alex
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