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path: root/include/linux/drbd_limits.h
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* drbd: fix limit define, we support 1 PiByte nowLars Ellenberg2011-06-301-2/+2
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* Fix common misspellingsLucas De Marchi2011-03-311-3/+3
| | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* drbd: Corrected off-by-one error in DRBD_MINOR_COUNT_MAXPhilipp Reisner2011-03-101-1/+2
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: New configuration parameters for dealing with network congestionPhilipp Reisner2011-03-101-0/+9
| | | | | | | | | | | net { on_congestion {block|pull-ahead|disconnect}; congestion-fill {sectors}; congestion-extents {al-extents}; } Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Allow larger values for c-fill-target.Philipp Reisner2010-10-141-1/+1
| | | | | | | | Connections through a compressing proxy might have more bits on the fly. 500MByte instead of 50MByte Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: new configuration parameter c-min-rateLars Ellenberg2010-10-141-0/+4
| | | | | | | | | | | We now track the data rate of locally submitted resync related requests, and can thus detect non-resync activity on the lower level device. If the current sync rate is above c-min-rate, and the lower level device appears to be busy, we throttle the resyncer. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: New sync parameters for the smart resync rate controllerPhilipp Reisner2010-10-141-12/+12
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Finished the "on-no-data-accessible suspend-io;" functionalityPhilipp Reisner2010-10-141-0/+1
| | | | | | | | | When no data is accessible (no connection to the peer, nor a local disk) allow the user to select to freeze all IO operations instead of getting IO errors. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Four new configuration settings for resync speed controlPhilipp Reisner2010-05-181-0/+16
| | | | | | | | | 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>
* change default: by default, use socket buffer auto tuningLars Ellenberg2009-11-041-2/+2
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* The DRBD driverPhilipp Reisner2009-10-011-0/+137
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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