Convert outdated system activity information binary datafile to current format, so it could be read by up-to-date application.

sysstat version.

$ sar -V
sysstat version 11.6.1
(C) Sebastien Godard (sysstat <at> orange.fr)

Error indicating that binary datafile format needs to updated.

$ sadf sa.2019-09-19
Invalid system activity file: sa.2019-09-19
File created by sar/sadc from sysstat version 10.1.5
Current sysstat version cannot read the format of this file (0x2171)

Convert binary datafile to current format.

$ sadf -c sa.2019-09-19 > sa.2019-09-19.updated
file_magic: OK
file_header: OK
file_activity: A_CPU A_PCSW A_SWAP A_PAGE A_IO A_MEMORY A_HUGE A_KTABLES A_QUEUE A_SERIAL A_DISK A_NET_DEV A_NET_EDEV A_NET_NFS A_NET_NFSD A_NET_SOCK OK
Statistics: ................................................................................................................................................
File successfully converted to sysstat format version 11.6.1

Display I/O and transfer rate statistics.

$ sadf -d -s 10:30 -e 11:30  sa.2019-09-19.updated -- -b
# hostname;interval;timestamp;tps;rtps;wtps;bread/s;bwrtn/s
debian-buster;600;2019-09-12 10:40:01 UTC;75,02;1,39;73,63;32,71;6435,00
debian-buster;600;2019-09-12 10:50:01 UTC;54,29;1,45;52,84;32,26;3655,54
debian-buster;600;2019-09-12 11:00:01 UTC;169,58;1,58;167,99;39,00;74038,34
debian-buster;600;2019-09-12 11:10:01 UTC;3479,30;3199,42;279,88;119880,86;109408,26
debian-buster;600;2019-09-12 11:20:01 UTC;80,49;16,19;64,30;159,57;6393,92