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Date: Fri, 10 Apr 2009 14:12:25 +0200 From: Philipp Reisner <philipp.reisner@...bit.com> To: linux-kernel@...r.kernel.org Cc: Jens Axboe <jens.axboe@...cle.com>, Greg KH <gregkh@...e.de>, Neil Brown <neilb@...e.de>, James Bottomley <James.Bottomley@...senPartnership.com>, Andi Kleen <andi@...stfloor.org>, Sam Ravnborg <sam@...nborg.org>, Dave Jones <davej@...hat.com>, Nikanth Karthikesan <knikanth@...e.de>, "Lars Marowsky-Bree" <lmb@...e.de>, "Nicholas A. Bellinger" <nab@...ux-iscsi.org>, Lars Ellenberg <lars.ellenberg@...bit.com>, Philipp Reisner <philipp.reisner@...bit.com> Subject: [PATCH 14/14] DRBD: final Kconfig integration and Makefile Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com> --- diff -uNrp linux-2.6.30-rc1/drivers/block/Kconfig linux-2.6.30-rc1-drbd/drivers/block/Kconfig --- linux-2.6.30-rc1/drivers/block/Kconfig 2009-04-07 23:25:01.000000000 +0200 +++ linux-2.6.30-rc1-drbd/drivers/block/Kconfig 2009-04-10 13:13:43.178491859 +0200 @@ -271,6 +271,8 @@ config BLK_DEV_CRYPTOLOOP instead, which can be configured to be on-disk compatible with the cryptoloop device. +source "drivers/block/drbd/Kconfig" + config BLK_DEV_NBD tristate "Network block device support" depends on NET diff -uNrp linux-2.6.30-rc1/drivers/block/Makefile linux-2.6.30-rc1-drbd/drivers/block/Makefile --- linux-2.6.30-rc1/drivers/block/Makefile 2009-04-07 23:25:01.000000000 +0200 +++ linux-2.6.30-rc1-drbd/drivers/block/Makefile 2009-04-10 13:13:43.166492009 +0200 @@ -37,3 +37,4 @@ obj-$(CONFIG_BLK_DEV_HD) += hd.o obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o swim_mod-objs := swim.o swim_asm.o +obj-$(CONFIG_BLK_DEV_DRBD) += drbd/ diff -uNrp linux-2.6.30-rc1/drivers/block/drbd/Kconfig linux-2.6.30-rc1-drbd/drivers/block/drbd/Kconfig --- linux-2.6.30-rc1/drivers/block/drbd/Kconfig 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.30-rc1-drbd/drivers/block/drbd/Kconfig 2009-04-01 12:07:38.936194000 +0200 @@ -0,0 +1,37 @@ +# +# DRBD device driver configuration +# + +comment "DRBD disabled because PROC_FS, INET or CONNECTOR not selected" + depends on !PROC_FS || !INET || !CONNECTOR + +config BLK_DEV_DRBD + tristate "DRBD Distributed Replicated Block Device support" + depends on PROC_FS && INET && CONNECTOR + help + + NOTE: In order to authenticate connections you have to select + CRYPTO_HMAC and a hash function as well. + + DRBD is a shared-nothing, synchronously replicated block device. It + is designed to serve as a building block for high availability + clusters and in this context, is a "drop-in" replacement for shared + storage. Simplistically, you could see it as a network RAID 1. + + Each minor device has a role, which can be 'primary' or 'secondary'. + On the node with the primary device the application is supposed to + run and to access the device (/dev/drbdX). Every write is sent to + the local 'lower level block device' and, across the network, to the + node with the device in 'secondary' state. The secondary device + simply writes the data to its lower level block device. + + DRBD can also be used in dual-Primary mode (device writable on both + nodes), which means it can exhibit shared disk semantics in a + shared-nothing cluster. Needless to say, on top of dual-Primary + DRBD utilizing a cluster file system is necessary to maintain for + cache coherency. + + For automatic failover you need a cluster manager (e.g. heartbeat). + See also: http://www.drbd.org/, http://www.linux-ha.org + + If unsure, say N. diff -uNrp linux-2.6.30-rc1/drivers/block/drbd/Makefile linux-2.6.30-rc1-drbd/drivers/block/drbd/Makefile --- linux-2.6.30-rc1/drivers/block/drbd/Makefile 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.30-rc1-drbd/drivers/block/drbd/Makefile 2009-04-10 13:13:43.058491920 +0200 @@ -0,0 +1,5 @@ +drbd-y := drbd_buildtag.o drbd_bitmap.o drbd_proc.o +drbd-y += drbd_worker.o drbd_receiver.o drbd_req.o drbd_actlog.o +drbd-y += lru_cache.o drbd_main.o drbd_strings.o drbd_nl.o + +obj-$(CONFIG_BLK_DEV_DRBD) += drbd.o -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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