can the GFS be used in multiple gnbd server mode, so we can build it all in IP network to gain cheap cost ? I show my idea in the picture attached. On 8/25/05, Matt Goebel <mgoebel@xxxxxxxxxxxxxxxxxxxxx> wrote: > I am in the process of specing out a high availability Oracle database > solution and need some advice from those of you experienced in doing this > as to what storage hardware to get. > > The plan right now is to have 3 Oracle 9i or 10g nodes (2 failover) > running on Redhat Enterprise 3.5 or 4.1 with a shared filesystem for > Oracle via GFS (6.0 or 6.1 depending on which version of RHEL) We'd also > like to use multipathing and 2 mirrored SANS of some sort. The > application we will be running requires very very little in terms of > storage space, only ~3GB per year, per database. DB load will also > probably not be that high. Uptime is critical. So for hardware I have > been looking into the following: > > iSCSI SAN: I've tested a low end (nice price) EMC AX100i /w GFS 6.0 (using > GULM) and RHEL 3.5 (4.1 doesn't have iSCSI working yet). Performance was > awful... 2.5-5 MB/s writes, 25-30 MB/s reads. So it looks like iSCSI is > out of the question unless there is another hardware option that would > give me the performance I'd want? > > Fibre Channel SAN: I've been trying to avoid using a FC solution if I can > because of cost but if it's what I need it's what I have to get. Any > suggestions on this? Are these reliable enough to safely use just one SAN > in a 99% uptime environment? Any good entry/mid model's to look at? > > AOE (Coraid.com): This looks to be a perfect solution.. low cost and > potentially decent performance. It's relatively new and I haven't heard > of anyone using it yet though. > > There doesn't seem to be much out there to tell me what sort I can expect > out of these with GFS... Any info would be helpful. > > -- > > Linux-cluster@xxxxxxxxxx > http://www.redhat.com/mailman/listinfo/linux-cluster >
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