WiebeTech RTX800-IR User Manual download pdf (Page 39)

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R T X - I R U s e r ’ s M a n u a l - 39 -

Appendix E: Frequently Asked Questions (FAQ)

Q. I created one volume, but my computer sees two of them. Why?

A. There may be two LUNs assigned to that volume. To check this, use the GUI. Navigate to Volume

Config and then Logical Unit. If there are two LUNs for the same volume, click the checkbox for one of

them and click on “detach.” Note: You may still see two volumes until you restart your computer.

Q: I've hooked up the LAN GUI port to my DHCP-enabled network, but the LCD displays an IP address

that is not on my network and I cannot connect to the GUI control panel using that IP address in my web

browser.

A: This may occur if you plugged in the LAN GUI after the RTX has already started up and initialized, or if

you previously configured the RTX for a static network or direct connection. The solution is to use the

LCD interface to obtain a DHCP address. Press ENT, then use the up or down arrows to scroll to the

option Change IP config. Press ENT. The screen will say DHCP. Press ENT, then press the up arrow

to select Yes. Press ENT. The RTX will now attempt to acquire a DHCP address. This new address will

be displayed on the main screen of the LCD.

Q. When I try to log on to the RTX-IR using the IP address under the iSCSI configuration menu nothing

happens.

A. Sometimes when you first set up the RTX-IR you'll need to reattach the LUN (Logical Unit Number) if it

doesn't work the first time.

Q. How many computers can connect to one data volume on the iSCSI unit?

A. The short answer is one computer to one volume. This is the safest and suggested usage of the RTX-

IR. If two people are accessing files on the same volume at the same time there is a very high chance

that data corruption will occur. There are a few file systems that can handle different users manipulating

the same volume, but they are not supported by Mac OS or Windows. However, if the users connected

to the volume have read-only access then corruption will not be an issue.

Q. When I make more than one volume I still see all volumes when connecting to the iSCSI IP address.

How am I supposed to allow only one person per volume if that's the case?

A. When you attach a LUN to a UDV you'll probably notice a "Host" field with an asterisk as the default

selection. This means that any iSCSI Initiator will be able to connect to that volume through that UDV. All

iSCSI Initiators have a unique name. You can use this name to restrict access to only certain computers.

For example, if my initiator is assigned the name iqn.1991-05.com.microsoft:username01.wiebetech.local,

if I put that name into the host field when attaching a LUN then only my specific computer will be able to

connect to that volume. You can use this to give one person read access and everyone else write access

by attaching two LUNs to one UDV.

Q. If I connect one computer to the RTX, and then share the files from that computer, can more than one

computer access the files? Would the other computers need iSCSI initiators installed on them?

A. One computer at a time can directly access the RTX, but files on the RTX can be shared from that

computer to other computers. In such a scenario, the computer attached to the RTX acts as a server.

Only the server computer requires an iSCSI initiator. The other computers do not need special software.

The difference between iSCSI and NAS (Network Attached Storage) is that a NAS does not need a

computer to act as a server.

Q. I put my computer to sleep, and now it’s having trouble reconnecting to the RTX. How can I prevent

this?

A. To prevent difficulties such as this, follow the shutdown procedures on page 11. It is suggested that

you disable automatic sleep on your computer so it does not go into sleep mode without preparing the

RTX for disconnection.

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