Re:ZFS: Use mirror vdevs, not RAIDZ
by mnd999 on Wednesday December 09, 2020 @12:18PM
(#25360967)
2) and 3) requires a decent broadband upload speed. Home broadband often doesn’t provide this.
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Depends where you're from I guess.
Its also just the first backup which takes a (long) while. If you got only 10 mbit upload, then you're able to upload 600 mbit per minute, or 36000 mbit per hour. Which is about 4500 mB/hour (or ~4,4 GB/hour). Which results in 108000 mB/day (or ~105 GB/day). Its about 3/4 of a TB a week.
I'm glad I got 30+ mbit upload with my VDSL2. My first backups took ages (I got 5 TB with Jottacloud). First I thought it was Duplicati being slow with regards to cryptography or being .NET, but nope that ain't it.
Incremental backups during night are not going to hamper the connection though.
Re:ZFS: Use mirror vdevs, not RAIDZ
by AnIdiotOnTheNet on Wednesday December 09, 2020 @04:19PM
(#25365194)
> Its about 3/4 of a TB a week.
That's best case. Anyone who's done large transfers over the internet knows reality will be much worse.
Re:ZFS: Use mirror vdevs, not RAIDZ
by justinclift on Thursday December 10, 2020 @01:23AM
(#25370461)
Bearing in mind that it's likely not practical to use 100% of available upload bandwidth for extremely long periods of time. Generally speaking anyway. :)