UNIX admin wrote:
Anyways, looking further at the clustering / failover solution, if I
understood correctly, I need some sort of storage that physically
supports being connected to two different hosts at the same time.
Is this correct?
Yes, that is correct.
If the answer is yes, what can the clustering gurus here recommend me
to get? Please bear in mind, this is for my own network @home, so
it'll be ebay plus everything comes from my own pocket.
Next, I presume I'm gonna need two FC controllers. What would be
reasonable controllers to get for Solaris on x86/x64 (1/06)? I'm not
looking for any speed demons, just 'basic" FC controllers to get me
by in figuring out how this clustering / FS / failover stuff works.
If you can only obtain a scsi multipack then you _could_ (not advised)
implement what PTS might refer to as "PMC" or poor man's clustering.
Much more preferable is to acquire an array of some sort which can
handle multiple initiators. The A5x00 fits this description if you
configure it in split loop mode.
If you can acquire QLogic or Emulex controllers which are supported
by the SAN Foundation Kit (sfk) drivers qlgc or emlxs, then you should
be ok to at least get started.
Off-hand I don't know what models there are out there although I am
aware of a recently-released QLogic controller which is supposed to
be quite cheap - halfheight, pci-e only sorta-thing.
If you're going to go FC then you might want to try to grab an fc
switch as well, so that you can do multipathing in a slightly more
easy fashion than without a switch.
best regards,
James C. McPherson
--
Solaris Datapath Engineering
Data Management Group
Sun Microsystems
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