RaspberryPi alternative? #189
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Given that the pricing and supply issues with these devices, can this solution be implemented with another similarly-performing single board PC? |
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Replies: 3 comments 11 replies
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Did you read the great report of rkosick in Where have you been traveling together with Little Backup Box? ? He used a Raspberry Pi Zero 2W in combination with a Zero4U 4-Port USB Hub. This looks like a great combination, roundabout at half the price of a pi 4. |
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I had read that report some time back, but completely glossed over that he was using a Zero 2W. My bad! But this is excellent - certainly expands the option base. |
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Now I installed lbb on an old Raspberry Pi 2 Model B Rev 1.1. Everything works fine, even the display. On backup from USB to internal I got transfer-rates from 10 to 13 MB/s. 64 GB should be copied in 1:30 hours. No one of the actual models of the pi should be as slow as this one. |
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It's not about just Voltage and Current writen on the adapter. Most of them just can't deliver high current for a short amount of time and that's the problem. It's because they are produced cheap. Don't worry about a Powerbank with less than 3A. Even under load you won't need that power. |
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It's always a victory when I can finally the 1TB to read, but still can't get it to finish a process: 08:03:55 08:03:56 08:03:56 08:04:01 08:05:09 08:05:10 08:05:10 08:05:11 08:05:11 08:05:44 08:05:45 08:05:47 2023/02/11 08:05:43 [10740] building file list 08:05:48 08:05:48 08:05:48 08:05:48 08:05:49 08:05:54 08:05:55 08:06:02 08:06:21 08:06:22 2023/02/11 08:05:54 [11433] building file list 08:06:23 08:06:23 08:06:23 08:06:23 08:06:24 08:06:29 08:06:30 08:07:01 08:07:25 08:07:27 2023/02/11 08:06:29 [12415] building file list 08:07:28 08:07:28 08:07:28 08:07:28 08:07:29 08:07:34 08:07:35 |
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Great - thanks - I'll give it a shot. |
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So I was able to successfully complete a transfer. Not exactly sure about the conditions that made it work, but will keep repeating and note down the protocol. |
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Target 1TB SSD seems to work when it's in this cable-free enclosure: But not the ORICO USB C-to-C cabled enclosure (regardless of cable): Was able to complete one successful backup, but when trying again with the same source and target (to see if it would recognize that it is synced already) it went the opposite direction (target to source) AND pulled in folders from a difference source many years ago (guess it was in internal cache somehow). Will try to recap my tests in a more structured manner on a new thread as I think this thread's original intent is resolved. |
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This again looks like a power-shortage. lbb uses the first connected device as target, the next as source. After connecting the first USB-device, linux assigns a LUM-alpha to it, let's say sda. The next device will get sdb. If sda disconnects (maybe because of low voltage), next time it will not be assigned as sda again but as sdc. Now sdb is target, sdc is source - opposite direction. |
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Ah! I knew there had to be a rhyme to it - apologies if I've missed that in the documentation. |
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Did you read the great report of rkosick in Where have you been traveling together with Little Backup Box? ? He used a Raspberry Pi Zero 2W in combination with a Zero4U 4-Port USB Hub. This looks like a great combination, roundabout at half the price of a pi 4.
It's to expect, newer functions like creating thumbnails from raw-fotos would be significant slower. There is just a discussion about transfer speed.. Maybe the disadvantage of USB 2.0 vs. 3.0 is by far not as relevant as it seems. This means, a pi zero or pi 3 might be a good alternative.
There are no reports about some alternatives like orange pi...