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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-05-04 13:12:00 +0400 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-05-18 03:25:00 +0400 |
| commit | 67c7ddd055c794f0d8e9466ca2d6b5cc0b73d4df (patch) | |
| tree | c68ceb828b3677a7d68eb7065790e8d957d973c1 /include/linux/drbd_limits.h | |
| parent | 7237bc430f49de1145d761c4b39f2ebae58842d5 (diff) | |
| download | linux-67c7ddd055c794f0d8e9466ca2d6b5cc0b73d4df.tar.xz | |
drbd: Four new configuration settings for resync speed control
To reasonably control resync speed over drbd-proxy connections,
drbd has to measure the current delay of packets transmitted over
the (possibly congested) data socket vs the meta-data socket.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'include/linux/drbd_limits.h')
| -rw-r--r-- | include/linux/drbd_limits.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 51f47a586ad8..440b42e38e89 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -133,5 +133,21 @@ #define DRBD_MAX_BIO_BVECS_MAX 128 #define DRBD_MAX_BIO_BVECS_DEF 0 +#define DRBD_DP_VOLUME_MIN 4 +#define DRBD_DP_VOLUME_MAX 1048576 +#define DRBD_DP_VOLUME_DEF 16384 + +#define DRBD_DP_INTERVAL_MIN 1 +#define DRBD_DP_INTERVAL_MAX 600 +#define DRBD_DP_INTERVAL_DEF 5 + +#define DRBD_RS_THROTTLE_TH_MIN 1 +#define DRBD_RS_THROTTLE_TH_MAX 600 +#define DRBD_RS_THROTTLE_TH_DEF 20 + +#define DRBD_RS_HOLD_OFF_TH_MIN 1 +#define DRBD_RS_HOLD_OFF_TH_MAX 6000 +#define DRBD_RS_HOLD_OFF_TH_DEF 100 + #undef RANGE #endif |