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System Administration

Backing up your projects

 You should take backup copies of all your project files at regular intervals. You should also back up any style sets, styles, macro symbols, or macro lines which you have created. Note that these may not be contained in your project folder;

for example, you may have created a new style set and stored it in the

…\^?? _styles folder in the MXROAD software structure. It is important that  you organize your work in such a way that you know where all your files are located so you can back them up.

 The options Zip Project and Unzip Project , which are available from the File menu, create a compressed backup file of an entire project in WinZip compatible format. See the on−line help for further details.

It is also a good idea to take a backup copy of your system files (ie, the MXROAD software structure) at less frequent intervals.

 You should not create any project folders under the MXROAD software structure.

Checking and backing up your model file

Many options in MX make extensive use of temporary models. Although these models are deleted on completion of an option, the space taken up in the model file is not regained automatically; you must compress the model file in order to regain the space.

It is advisable that you carry out a model integrity check and take a fresh backup prior to compressing. The process can be interrupted and fail where there is insufficient disk space, a power supply problem or a corruption in the data. Should a failure occur in compression for any of these reasons the model file will have to be restored from a backup.

 The compression process requires that the models are written to a temporary  model file, deleted from the original model file and then read back into the original model file. To do this, you need three times the original model file size of free space available on your hard disk.

It is recommended that a regular backup of the model.fil is taken, ideally on a daily basis. This avoids data loss should a problem occur.

Problems with model files are very rare, but this should not lead to

complacency in maintaining backups. The procedure below describes how to compress a model file.

1. Open Windows Explorer

2. Browse the folders to get to your project folder, for example, c:\mx tutorial.

3. Locate the file model.fil , and click on it with the right mouse button.

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System Administration

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4. From the menu, select  Copy .

5. Click the right mouse button again, and select  Paste .

 A new file is created, called Copy of model.fil . This is a copy of the MX model file.

Note that there is no problem doing this even though MX is still running, although you should not have any MX panels open.

1. From the File pull down, select File Management ⇒ Report Model file 

Figure 29 − Report Model File  The Check Model File Records option is checked by default.

1. Click  Apply to run this check.

 The results are displayed in the output window; you will probably need to scroll up a few lines to see it all. It lists the number of records in the model file which are actually filled with data, out of the total number that have been used, and also the total space that will be available after compression.

Before you compress the model file, there are two options that you can use to check that it is OK.

1. On the Report Model File panel, click Check Model Pointers , followed by  Apply . MX looks through the model file, and checks it to ensure that each of the models is arranged correctly inside the model file. The results of this are

displayed in the output window again with a summary at the end, where the text  should say ‘END OF POINTER CHECK − 0 POINTER ERROR(S)

FOUND’, which indicates that the model file is OK. If there is a number here other than zero, it means that there is a problem with one or more of the models on the model file, which must be investigated before continuing with any MX work. Scrolling up the list in the output window will show you which model(s) and string(s) are affected. These need to be deleted using the MX  options on the Modify pull down, until running this report indicates that there are no pointer errors.

1. On the Report Model File panel, click Cancel . 2. In Windows Explorer, click on View ⇒ Refresh.

3. Browse the folders to get back to your project folder, and check the size of  the model file model.fil .

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System Administration 4. Ensure that the Status bar shows there to be at least three times the size of 

the model file available as free disk space.

If there is not, you will have to create extra free space on the hard disk before you can safely compress the model file. Once you have done this:

1. From the File menu, select File Management ⇒ Compress . 2. On the Compress panel, click  Model File .

3. Click OK .

 The option may take a few moments to run, then a note in the output window, if visible, should say W127 Model file stored & initializsed . If this message is not  given, you should contact your System Administrator, or your MX supplier for further advice.

Disk maintenance

In order to maintain optimum performance from MXROAD, you should manually delete files from your temporary directory (normally C:\temp) to ensure that it does not become full (you can use Windows Explorer to do this).

 You should also empty the Recycle Bin on your desktop at regular intervals.

Select the Recycle Bin, click the right hand mouse button and select  Empty  Recycle Bin. Alternatively, double−click the Recycle Bin icon and check the contents first.

MX Basics