New answers tagged software-raid
mdraid and LVM2 are stable. Modern Linux distributions can boot this setup directly without any issues. There aren't too many special considerations. You will want to ensure grub is installed on each individual disk so that the system can still boot in the event of a disk failure. You may want to leave some of the volume group free to take advantage of ...
Based on your problem description your issue isn't so much the server as the storage. You want a reliable, robust filesystem like ZFS that's designed to handle large storage capacity well, and has built-in management capabilities to make that end of the system easier to manage. As was mentioned in the comments, I'd go with ZFS for the storage pool (probably ...
A better strategy would be to use ddrescue to copy bad drive to good. This tool tries hard to read entire drive, doing re-reads and "trimming" unreadable blocks. It also produces log, which is used for saving progress, but ultimately will contain the list of bad blocks. You can then parse this list and write to every bad block to see if the drive will ...
It's yet another bug unique to ubuntu AFAIK. mdadm --stop /dev/md_d*; mdadm --assemble --scan
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