Thanks Tom for the information. When you say 'drdb' do you mean 'drbd', i.e., "http://www.drbd.org/";?
Tom Samplonius-2 wrote: > > > ----- "RobBugh" <[EMAIL PROTECTED]> wrote: >> I'm going to install ActiveMQ in a shared file system Master/Slave >> configuration. I see on the ActiveMQ web site that SAN is suggested as >> the >> shared file system. Unfortunately, I don't know much about SAN >> technology >> and what choices I have. Is there anyone using SAN that would be >> willing to >> share what hardware you are using and any pros and cons to using it, >> especially as it relates to file level locking? > > > Well, if you are going to use a SAN/NAS device, you will have to get a > good one, as it will shared between your servers. If it fails, both > servers are useless. > > You really have three choices: NAS: CIFS or NFS; SAN: GFS (cluster > file system). If you want to go NAS, a Netapp filer is probably the best, > and CIFS/NFS locking works. If you want to go SAN with a cluster > filesystem, well, I can't really recommend GFS. The requirements for GFS > are quite extensive. > > But even if you go with a SAN solution, you don't need to use file > locking and ActiveMQ Master/Slave. You could configure the ActiveMQ using > a cluster toolset. On Solaris, the Cluster Suite could easily mount up > the volume of a failed node, and start any services (ActiveMQ included) > that the failed node was doing. > > Personally, I'd avoid the NAS/SAN thing, and use drdb to replicate the > volume containing the ActiveMQ message store to another server. And then > use Hearbeat to start ActiveMQ on the backup server, if the primary fails. > Nothing is shared this way. > > drdb is the solution recommended by the MySQL company for master > database failover too. It is a pretty mature solution, but Linux only. > > You should get a Systems Analyst involved earlier on in this project. > Calling in a SAN specialist afterwards is even more expensive. And SAN > specialists hate SANs setup by people who didn't fully research or > understand the technology they deployed. > > > Tom > > > > > > -- View this message in context: http://www.nabble.com/SAN-Hardware-for-Master-Slave-Architecture-tf4251221s2354.html#a12128621 Sent from the ActiveMQ - User mailing list archive at Nabble.com.
