Rebuilding corrupted RPM database
One of our client reported that he is getting an error and RPM database is corrupted. He is using Red Hat Linux
Sometime it is possible to fix RPM database errors. I am surprised that many admins do not make back up of RPM DB (/var/lib/rpm).
Anyways if you ever messed up with RPM database, here is a quick guide to fix it (you must have rpmdb tools installed):
Take system to single user mode to avoid further damage and to make backup/restore process easy:
# init 1
Method # 1
Remove /var/lib/rpm/__db* files to avoid stale locks:
# cd /var/lib
# rm __db*
Rebuild RPM database:
# rpm --rebuilddb
# rpmdb_verify Packages
Method # 2
If you are still getting errors, then try your luck with following commands:
# mv Packages Packages-BAKUP
# db_dump Packages-BAKUP | db_load Packages
# rpm -qa
# rpm --rebuilddb
Further reading
- I recommend all of you visiting Daniel Berrange excellent guide for more information.
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[...] If you get rpm database corruption error, try to follow instructions mentioned here to fix database problem with following two commands: # rpm –rebuilddb # rpmdb_verify Packages [...]
Method 2 does not work, as the db_load and db_dump commands were not found. Needless to say if what came before worked I wouldn’t have gotten to 2.
whereis db_dump db_load
db_dump: /usr/bin/db_dump
db_load: /usr/bin/db_load
These utilities get installed by default using db4-utils package. Above instructions are tested on Fedora Core and RHEL 4 only.
How to recreate /var/lib/rpm/Packages (If original got deleted/corrupted) ?
Thank You! you saved my day.
Thank You! you saved my day
I found the same post/solution before in nixcraft and it is really a great solution but my question is how to recreate /var/lib/Packages if the original got “DELETED”.