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Is it possible to repair this?
Posted by: Wim Roffel
Date: February 17, 2022 02:55AM

My Mysql installation crashed with the error "Aria recovery failed. Please run aria_chk -r" (this is MariaDb). There is only one database with the aria format (Mysql) so I did what was asked. Unfortunately it looks like aria_chk truncates all tables. So all the meta information of my installation is gone and I can't even login to this installation anymore as my username/password is no longer recognized.

I made a backup before running aria_chk. But the backup before the crash is long enough ago that would like to recover my data. These are nearly all InnoDb tables.

I had thought that having all the ib*, *.frm and *.ibd files I had all relevant information and there would be some tool available to rebuild the meta database. But I can't find anything on the internet. The only thing I found are things like mysqlfrm that recover in a complicated way a small amount of information. Not useful for recovering hundreds of tables.

So my question is whether there are options to recover this installation.

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Is it possible to repair this?
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February 17, 2022 02:55AM
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