TAPESTAT(1) Linux User's Manual TAPESTAT(1) (NAME) tapestat - (SYNOPSIS) tapestat [ -k | -m ] [ -t ] [ -U ] [ -V ] [ -y ] [ -z ] [ --human ] [ -o JSON ] [ interval [ count ] ] (DESCRIPTION) tapestat . tapestat (boot) -y . . interval . count interval . count count interval . interval count tapestat . (REPORT) tapestat . : r/s . w/s . kB_read/s | MB_read/s ( -k) ( -m) . kB_wrtn/s | MB_wrtn/s ( -k) ( -m) . %Rd - . SCSI (mid-layer) . %Wr - . SCSI . %Oa - I/O ( ) . Rs/s I/O (residual value) . Ot/s I/O <> () . I/O ioctl (rewind on close ) . I/O ( ioctl sg) . (OPTIONS) --human ( 1.0k 1.2M ). ( ...) . -k . -m . -m . -k . -o JSON JSON ( ). JSON . -t . S_TIME_FORMAT ( ) -U . -U (UTC - ) (epoch). -V . -y (boot) . -z tapestat . (CONSIDERATIONS) ( ) ( tapestat ). (rewind) %Oa . %Rd %Wr ( ). r/s w/s %Rd/%Wr ( ). . . . ( DDS) ( ) I/O . ( LTO) I/O . . /sys I/O . I/O . (rounding down) . dd tapestat w/s r/s ( ) . tar ( 10k) kB_read/s kB_wrtn/s ( I/O 10k ). w/s r/s kB/s kB_read/s kB_wrtn/s . . . . . tar dd . 5778 kB_read/s 5780 kB_wrtn/s . I/O . (ENVIRONMENT) tapestat : S_COLORS . . : never always auto ( ). ( ) . S_COLORS_SGR . (:) : I=32;22:N=34;1:W=35;1:X=31;1:Z=34;22. : I= SGR ( ) . N= SGR . W= ( M=) SGR ( ). X= ( H=) SGR ( ). Z= SGR . S_TIME_FORMAT ISO (locale) . tapestat ISO 8601 ( YYYY-MM-DD) . -t ISO 8601 . (BUGS) /sys tapestat (mount) . sysfs . 4.2 ( ). tapestat (kB) (MB)... (kiB) (MiB)... . . (FILES) /sys/class/scsi_tape/st/stats/* . /proc/uptime . (AUTHORS) Shane M. SEYMOUR (shane.seymour hpe.com) sysstat Sebastien Godard (sysstat orange.fr) (SEE ALSO) iostat(1), mpstat(1) https://github.com/sysstat/sysstat https://sysstat.github.io Linux JULY 2025 TAPESTAT(1)