romeotheriault at gmail
Apr 1, 2009, 11:17 PM
Post #2 of 2
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Hi Rob, device-mapper-multipath is the default multipath solution on RHEL4,
not sure about RHEL5. We use it on all of our FC and iscsi RHEL boxes and
it's worked wonderfully for us.
Romeo
On Thu, Apr 2, 2009 at 12:14 PM, Rob Borowicz <rob-7704[at]austin.rr.com>wrote:
> Excuse the non-filer related question, but I'm kinda desperate and I know
> some folks here probably diddled with this one.
>
> I work for a company that makes a Network Management appliance based on
> Fedora 4. Hey it had what they needed when they locked down the LAMP
> platform 5 years ago, and as the saying goes "it works for us". Next gen
> product beta's in about 2 weeks and is based on CentOS 5.2...
>
> So one of our major customers wants to locate our DB (MySQL) on a SAN
> fabric and they have purchased Qlogic QLE 2460's for the DB host. We include
> the drivers in the locked down minimalized Fedora so getting the cards going
> is as simple as "insert and boot".
>
> My question is: The customer (understandably) wants to use dual cards and
> Multipathing and EMC will laugh at us trying to consider PowerPath. So I'm
> looking at "device-mapper-multipath". Anybody mess with this ever? I'm just
> beginning my research, and as a wild stab I found an OLD version of the
> device-mapper package (0.4.4-2.3) and the Sysfsutils (1.1.0-1) that it
> needed and installed it on a lab version of our product. So at least the
> package would install. Now to try and get it working.
>
> The customer has the luxury of a lab instance of our set up and might be
> willing to take a stab at this with me if it'll come within100 yards of
> working at all reliably. I'd love to hear any comments of folks who've run
> this in the past or currently use Multipath in a Red Hat derivative.
>
> Thanks in advance!
>
> -Bob B.
>
--
Romeo Theriault
System Administrator
Information Technology Services
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