/
githubmirror
/
lvm2
Обзор
Документация
Войти
/
githubmirror
/
lvm2
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
doc/kernel/delay.txt
27 строк
724 B
Alasdair G Kergon
docs: Refresh kernel target docs
12 июл 2017, 20:59
12 июл 2017, 20:59
c2de4b9
Код
Авторство
О чём код?
dm-delay ======== Device-Mapper's "delay" target delays reads and/or writes and maps them to different devices. Parameters: <device> <offset> <delay> [<write_device> <write_offset> <write_delay>] With separate write parameters, the first set is only used for reads. Offsets are specified in sectors. Delays are specified in milliseconds. Example scripts =============== [[ #!/bin/sh # Create device delaying rw operation for 500ms echo "0 `blockdev --getsz $1` delay $1 0 500" | dmsetup create delayed ]] [[ #!/bin/sh # Create device delaying only write operation for 500ms and # splitting reads and writes to different devices $1 $2 echo "0 `blockdev --getsz $1` delay $1 0 0 $2 0 500" | dmsetup create delayed ]]