On Jan 3, Reshetova, Elena transmitted in part:
I have a simple question and sorry if it was asked before and I just didnʼt
find it in archives.
Suppose we run rpm operation (installation, update or anything) on an
embedded device and power suddenly goes off. This can happen if user removes
the battery for example.
In such cases, rpm database can get corrupted since the operation was
stopped in the middle. Rpm database can be rebuild after, but this is quite
annoying to do. Is there any ways to ensure that database stays sane even in
such cases? Of course some wrapper can be used for rpm to do the checks,
backup database and etc., but does rpm itself have anything for it?
An interesting, and feasible idea. Maybe 'yum' and other higher level
wrappers are the place to fully implement it. Yum does have a way
to reapply the last transaction (although it has never worked for me -
I'm probably doing it wrong). But that depends on the rpm database
at least being in a consistent state - which a backup of said
database would accomplish.
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