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drbd: Four new configuration settings for resync speed control

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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>
This commit is contained in:
Philipp Reisner
2010-05-04 11:12:00 +02:00
parent 7237bc430f
commit 67c7ddd055
3 changed files with 24 additions and 0 deletions
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16
include/linux/drbd_limits.h
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@@ -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