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[Linux-cluster] Where to find specific documentation, and how close can I come tothis setup ?



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Hi:


I have two questions I'm hoping some kind soul can help me with today.

First, where can I find information on setting up fibre channel served
storage on linux ?  Is there a howto anywhere ?  I've just spent a
fruitless 1/2 hour googling, only to turn up a number of trade mag
articles.  In particular, I'd like to know how to deal with multi-path
setups, and the more entry level the documentation, the better. :-/

(in other words, there are many people here who understand SANs, but I
am not yet one of them)

Second, I'm curious how close to the following setup I can come today:


~ +-- FC Cabinet 1 --+ +-- FC Cabinet 2 --+ ~ | some disk | | some disk | ~ +------------------+ +------------------+ ~ | | \ / ~ SAN FABRIC / \ ~ | | ~ +-- linux box 1 -|-+ +-| linux box N ---+ ~ | | | | | | ~ | +-------|--cluster sw--|------+ | ~ | | mirror FC1 & FC2 | | ~ | | cluster LVM | | ~ | | cluster fs | | ~ | +-----/------------------\----+ | ~ | / | | \ | ~ | user visible fs | | user visible fs | ~ +------------------+ +------------------+

In essense, I wish to have storage across two cabinets, mirrored, sliced
up via a LVM, then served as a cluster filesystem to N linux hosts,
without a single point of failure.

Is the above possible ?  If not, which peices can I not do today ?  How
soon might I be able to do them ?

(Please note that in particular the mirroring need not be done in the
linux boxes, if there's a way to mirror across cabinets in different
data centers in some other manner)

Thanks,
- -- Pat
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