Re: How to backup of large md raid volumes?

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Am 20.05.2017 um 20:00 schrieb Wols Lists:
I'd be inclined to try and get an e-SATA or USB-3 dock, and just back up
on to independent 8TB drives. Mind you, at £70 for a 3TB Barracuda, $500
for 16TB of disk doesn't sound pricey at all ...

yes but it don't make much fun if you need to spread your backups to several disks when you can have just one with all

One thing to watch out for, it sounds like the OP has mostly music and
videos, so compression is likely to INCREASE the disk space required...

yo are confusing "compress-force=zlib" with "compress=zlib" - read the BTRFS manuals, it's practically the same as comp-lzo for openvpn - uncompressable data are not compressed
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