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Cadet 2nd Class Cadet 2nd Class
Cadet 2nd Class
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Questions about external storage

I have questions about external storage and Netware 6.5. I am researching changing from internal storage to external storage. Any suggestions/help would be appreciated. Is SAN the way to go? Is SAN a bad idea? Anything that I specifically need to be looking for or at while planning for this?
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6 Replies
Knowledge Partner Knowledge Partner
Knowledge Partner

Jpeteet,
> Is SAN the way to go?


Yes.

> Is SAN a
> bad idea?


Can be if done incorrectly.

> Anything that I specifically need to be looking for or at
> while planning for this?


Have local boot disks in servers. Also, a SAN is a huge single-point of
failure if done improperly.

- Anders Gustafsson (Sysop)
The Aaland Islands (N60 E20)


Novell has a new enhancement request system,
or what is now known as the requirement portal.
If customers would like to give input in the upcoming
releases of Novell products then they should go to
http://www.novell.com/rms

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Cadet 2nd Class Cadet 2nd Class
Cadet 2nd Class

Any suggestions on documentation that can point me in the direction of doing it correctly?
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Knowledge Partner Knowledge Partner
Knowledge Partner

Jpeteet,
> Any suggestions on documentation that can point me in the direction of
> doing it correctly?


It depends on the vendor, but to have a redundant system, everything
must be duplicated. I have a customer for whom IBM set up a "redundant"
system. NetWare cluster, two FC cards per server, dual SAN contollers
and everything connected into one FC switch.

One day that FC switch hiccuped and 2Tb of data was invisible. Hade one
bloke on site for half a day before they had their volumes back.

- Anders Gustafsson (Sysop)
The Aaland Islands (N60 E20)


Novell has a new enhancement request system,
or what is now known as the requirement portal.
If customers would like to give input in the upcoming
releases of Novell products then they should go to
http://www.novell.com/rms

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Cadet 2nd Class Cadet 2nd Class
Cadet 2nd Class

Wow - that is almost a worst case scenario. The "dual everything" way was how we were looking at going. We were planning on running duplicate Novell servers at different sites and writing to the shared storage from the "live" server and if it went down we could just point everyone to the secondary one. Are the risks of doing it like this worth the reward in your opinion? Thank you for your thought provoking input.
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Knowledge Partner Knowledge Partner
Knowledge Partner

Jpeteet,
> We were planning on running duplicate
> Novell servers at different sites and writing to the shared storage from
> the "live" server and if it went down we could just point everyone to
> the secondary one. Are the risks of doing it like this worth the reward
> in your opinion? Thank you for your thought provoking input.


Sounds like a sound plan. You can have a NW cluster with the nodes in
separate locations. Just make sure that you have all data paths redundant.

With this particular customer it was an IBM FW upgrade that caused the
fault, but it only showed after a reboot, months after.

Just keep this in mind when talking to SAN vendors and ask them about what
possible single faults there are that can take down the entire system.

- Anders Gustafsson (Sysop)
The Aaland Islands (N60 E20)


Novell has a new enhancement request system,
or what is now known as the requirement portal.
If customers would like to give input in the upcoming
releases of Novell products then they should go to
http://www.novell.com/rms

0 Likes
Cadet 2nd Class Cadet 2nd Class
Cadet 2nd Class

I will keep that in mind. Thank you so much for the suggestions Anders.
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