Re: database mess up

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On Fri, 23 Jan 2009, Panu Matilainen wrote:

On Thu, 22 Jan 2009, Patrick Dupre wrote:

Hello,

For a reason that I ignore my database is totallt mess up.
rpm --rebuilddb only rebuild iy partially.
The packages are installed, but rpm --rebuilddb does not see them.
How can I recover them without resintalling them manually ?

Find the latest intact /var/log/rpmpkgs* file (ie one that got generated before the db got corrupted, file size should be a good indicator) and copy it somewhere safe, say /root/rpmpkgs.backup. Now you should be able to make fairly good recovery with something like:

# mv /var/lib/rpm /var/lib/rpm.busted
# mkdir /var/tmp/download; cd /var/tmp/download
# yumdownloader `sed -e "s/.rpm$//g" /root/rpmpkgs.backup`
# rpm -Uvh --notriggers --noscripts --justdb *.rpm

The question of course is, what got the database corrupted to begin with.
Did anything out of the ordinary happen at that time, like /var getting full? Segfaults logged in /var/log/messages*? What filesystem is /var on?

Hello Panu,

The larger rpmpkgs file is the following one:
rpmpkgs-20090111
from 2008-12-30
The following one is only 462 block compared to 61748
Concerning the message files, I attached the last one, I do not see anything bad, the CPU0 temperature is 34 °C, so I do not thing that it is wrong. However the -12V and +12V are wrong according to gkrellM system monitor. But is it right, I doubt that the machine would work with 0.63 and 3.95 V instead.
Furthermore concerning the messages file, /messages-20090111 is empty
as well as the following one: messages-20090118

/var is ext3 (on /)
/usr, /usr/lib, /usr/local are lvm2

What do you thing ?

Nothing out of ordinary there.. what does 'stat -f /var' say on these problematic systems (as you said you have two systems with these problems)?

It gives:

  File: "/var"
    ID: 590562c6b464a80b Namelen: 255     Type: ext2/ext3
Block size: 1024       Fundamental block size: 1024
Blocks: Total: 3019460    Free: 1030413    Available: 876994
Inodes: Total: 384000     Free: 356630


Noticed from the df output in another mail that the root partition was fairly small so it might be subject to a more or less known issue of filesystem blocksize of 1024 (at least on ext3) causing rpmdb corruption.

do you think that blocksize of 1024 is bad ?

Thank
--
---
==========================================================================
 Patrick DUPRÃ?                      |   |
 Department of Chemistry            |   |    Phone: (44)-(0)-1904-434384
 The University of York             |   |    Fax:   (44)-(0)-1904-432516
 Heslington                         |   |
 York YO10 5DD  United Kingdom      |   |    email: pd520@xxxxxxxxxx
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