harry_q Posted November 27, 2016 Share Posted November 27, 2016 Hi, Orange Pi Lite has two USB2.0 ports. I attached 3.5" 5400rpm HDDs in each ports through SATA adaptors. Both HDDs have truecrypted_file.tc respectively. Mounted both .tc files with $ cryptsetup --type tcrypt ******** And $ cp HDD1/big_files HDD2/directory Then chked file copying speed only to have 6.5MB/s in average. Is it normal? Thank you in advance~! ^^ Link to comment Share on other sites More sharing options...
tkaiser Posted November 27, 2016 Share Posted November 27, 2016 You could try to run both 'sudo armbianmonitor -m' and htop to get a clue why it's so slow. Link to comment Share on other sites More sharing options...
zador.blood.stained Posted November 27, 2016 Share Posted November 27, 2016 And given that there are no details about algorithm and block size used for this container, I would say on average this is normal Link to comment Share on other sites More sharing options...
harry_q Posted November 27, 2016 Author Share Posted November 27, 2016 And given that there are no details about algorithm and block size used for this container, I would say on average this is normal Oh! I missed much! Thank you for your advice. I'll try to collect some details of my environment. FYI at the moment, just fresh dd jessy img installed this morning. Link to comment Share on other sites More sharing options...
zador.blood.stained Posted November 27, 2016 Share Posted November 27, 2016 Also what filesystem is inside the container? NTFS? Link to comment Share on other sites More sharing options...
harry_q Posted November 27, 2016 Author Share Posted November 27, 2016 (edited) Also what filesystem is inside the container? NTFS?yes! NTFS, both of HDDs. ### FYI, raw data (not truecrypted) transfer between two rates 13.3 MB/s. (NTFS) Edited November 28, 2016 by harry_q Link to comment Share on other sites More sharing options...
tkaiser Posted November 28, 2016 Share Posted November 28, 2016 yes! NTFS, both of HDDs. Well, as already suggested both 'sudo armbianmonitor -m' and htop will show you clearly what's wrong. You use a filesystem that's slow as hell in Linux and add encryption on top. IO bottlenecked by CPU. Link to comment Share on other sites More sharing options...
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