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I've been running my node from a 500 GB external SSD but have run out of space to store the blockchain. I am copying files from the SSD to a larger USB 3 thumb drive using the command
rsync -ah --progress source/ destination/
The files are all the same size (134 MB) and type (Bitcoin blk.dat files). Some are copying over at the expected rate (~100 - 400 MB/s) however most are copying over extremely slow (~500 KB/s).
Fast:
Bitcoin/blocks/blk00013.dat 133.96M 100% 181.47MB/s 0:00:00 (xfr#24, ir-chk=8221/8250) Bitcoin/blocks/blk00014.dat 134.10M 100% 126.75MB/s 0:00:01 (xfr#25, ir-chk=8220/8250) Bitcoin/blocks/blk00015.dat 134.22M 100% 401.25MB/s 0:00:00 (xfr#26, ir-chk=8219/8250)
Slow:
Bitcoin/blocks/blk00098.dat 134.16M 100% 489.36kB/s 0:04:27 (xfr#109, ir-chk=8136/8250) Bitcoin/blocks/blk00099.dat 133.97M 100% 484.38kB/s 0:04:30 (xfr#110, ir-chk=8135/8250) Bitcoin/blocks/blk00100.dat 134.18M 100% 556.08kB/s 0:03:55 (xfr#111, ir-chk=8134/8250)
At this rate it will take weeks to copy the whole blockchain over. I am wondering if this is something related to the blk.dat files or a hardware issue. I've stopped / started the process several times, using both cp and rsync
OS: Ubuntu 20.04.4 LTS (64-bit) GNOME version 3.36.8 Hardware: Dell XPS 15 9750 Source: 500 GB SSD external drive (connected via USB-C) Destination: 2 TB thumb drive (connected via USB 3.0)
Any help appreciated.
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