[gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Renat Golubchyk
Hi all! Short: What is the best way to setup something similar to RAID 1 over a WAN? Background: Two LAMP servers are located in geographically different locations connected through a load balancer to the net: LAMP ALAMP B \ / \ / \ /

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Philipp Riegger
On Tue, 2009-06-16 at 12:40 +0200, Renat Golubchyk wrote: Are there any viable solutions that could work over a WAN? Look into DRBD, http://www.drbd.org/. It is open source but not yet in the kernel, I think. Philipp

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Mike Kazantsev
On Tue, 16 Jun 2009 12:40:46 +0200 Renat Golubchyk ragerm...@gmx.net wrote: Hi all! Short: What is the best way to setup something similar to RAID 1 over a WAN? ... One purpose of the setup is to have data redundancy. Thus we have to ensure that the data is replicated in a timely manner.

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Daniel Iliev
On Tue, 16 Jun 2009 18:58:56 +0600 Mike Kazantsev mk.frag...@gmail.com wrote: On Tue, 16 Jun 2009 12:40:46 +0200 Renat Golubchyk ragerm...@gmx.net wrote: Hi all! Short: What is the best way to setup something similar to RAID 1 over a WAN? ... One purpose of the setup is to

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Philipp Riegger
On Tue, 2009-06-16 at 16:45 +0300, Daniel Iliev wrote: DRBD is HA solution which is achieved by switching the role of the nodes in case the active node goes offline. I think DRBD is not meant for the schema OP has described, because only the active node is accessible via FS. DRBD works

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Dirk Heinrichs
Am Dienstag 16 Juni 2009 15:58:37 schrieb Philipp Riegger: On Tue, 2009-06-16 at 16:45 +0300, Daniel Iliev wrote: DRBD is HA solution which is achieved by switching the role of the nodes in case the active node goes offline. I think DRBD is not meant for the schema OP has described, because

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Daniel Iliev
On Tue, 16 Jun 2009 15:58:37 +0200 Philipp Riegger li...@anderedomain.de wrote: On Tue, 2009-06-16 at 16:45 +0300, Daniel Iliev wrote: DRBD is HA solution which is achieved by switching the role of the nodes in case the active node goes offline. I think DRBD is not meant for the schema

Re: [gentoo-user] [OT] RAID 1 over network

2009-06-16 Thread Daniel Iliev
On Tue, 16 Jun 2009 17:54:34 +0200 Dirk Heinrichs dirk.heinri...@online.de wrote: Am Dienstag 16 Juni 2009 15:58:37 schrieb Philipp Riegger: [-snip-] Another solution would be to use ndb (network block devices), dm-raid and a cluster filesystem. And finally, there's OpenAFS. Not really