Re: How to salvage a degraded mdadm RAID1 with as little data loss as possible?

David Christensen <[email protected]>
Newsgroups gmane.linux.debian.user
Message-ID <[email protected]> 
On 6/20/26 21:47, David Christensen wrote:
> Can you switch the databases to read-only, shutdown, disconnect the 
> first disk, boot, backup the database(s), shutdown, connect the first 
> disk, disconnect the second disk, boot, backup the database(s), 
> shutdown, and connect the second disk?  If so, you could then restore 
> those backups, and the last known good backups, (with different names, 
> read-only


Correction -- add ", on a known good database server".


>) and trouble-shoot.  It may or may not be possible to identify 
> the newest data and implement queries/ scripts to do the three-way merge.


David
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