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One thing I’ve been doing lately is storing data on SSDs or raid0s of SSDs, then running continuous backups of changed files to a slow HDD. I don’t have single
by sneak 1y ago
One thing I’ve been doing lately is storing data on SSDs or raid0s of SSDs, then running continuous backups of changed files to a slow HDD. I don’t have single-transaction data safety requirements and the window in which I can lose data is very small, given that the backups run continuously.
This is so much faster than these hyper-vigilant HA setups, too, while being quite a bit cheaper (the HDDs can be in a different box or building, or be Glacier, or whatever).
- LTL_FTC 1y agoBy any chance, would you be willing to expand on your approach? What tools are using for this? How is it set up?
- sneak 1y agomake a zfs temp snapshot, cd to snapshot dir, rsync it somewhere (usually rsync over ssh), cd out of snapshot dir, delete snapshot, do it again. it’s fairly easy to script. i usually run it via runit in /etc/service/realtimesync or such.