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LVM should only be used on a single system, if two nodes think they have exclusive access to an LVM volume corruption will occur. HA-LVM allows for multiple nodes to read from a shared volume but assumes only one node can/should write - this is analogous to how Windows MSDTC clustering worked/works (not that up to speed with in today sorry) where a single ...


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I'm seeing this too. Might be https://bugzilla.redhat.com/show_bug.cgi?id=1220529 ?


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The config parameter is for minimum days retention. There is no configuration for maximum retention. I've setup a crontab entry to remove old ones.


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As @c2h5oh says, the Unrecoverable is critical - it means the disk has already tried and failed to re-read the sector. In my experience, once a disk starts producing unrecoverable read errors (UREs), some data is lost forever, and your only hope is to immediately backup all data using GNU ddrescue, which can retry the failing sectors as well as skip ...


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The device mapper always creates entries in /dev/mapper . This is perfectly normal behaviour and you should not delete these entries.


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Expanding on banjo67xxx's answer you can get the percent complete (with decimals) using the following: echo "(`dmsetup status | tail -n 1 | awk '{print $8}'`)*100" | bc -l If you want to limit the number of decimal places you use a scale declaration in the string echoed to bc. Here's the same command constrained to 2 decimal places: echo "scale=2; ...


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Replacing the disk lines from sda to xvd was ultimately the solution: 'tap:aio:/dev/vg0/xen.placeholder.com-VolGroup00-disk1,xvda,rw', 'tap:aio:/dev/vg0/xen.placeholder.com-VolGroup00-disk2,xvdb,rw',


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Alternatively have a look at guestfish, guestmont or virt-copy-out (both from libguestfs.org).



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