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<h6>Disable Caps Lock</h6>
<p><p>If you find yourself pressing the Caps Lock key accidentally as much as I do, note that you can disable it entirely in Mac OS X. Open the Keyboard & Mouse preference pane, click the Modifier Keys button, and in the dialog that appears, select No Action from the Caps Lock pop-up menu. You could remap it to another modifier instead, but that might make using differently configured Macs more difficult.</p></p>
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<p class="credit">Written by<br><a href="/author/Adam%20C.%20Engst">Adam C. Engst</a></p></div></div>
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<div class="featured_meta"><div class="meta_article">04 Aug 2003 | <a href="/article/7295?print_version=1">Print <span class="shift_up"><img src="/images/printer_icon.gif" alt="Printer-Friendly Version of This Article" border="0" width="9" height="10"></span></a></div></div>
<div id="article_box_5907"><P>I'm a huge promoter of solid backup practices (have <EM>you</EM> backed up recently?) and for many years I relied on a combination of Dantz Development's Retrospect and a DAT tape drive. Eventually the 2.6 GB DAT tapes simply weren't sufficiently capacious to handle the amount of data from the machines on my network, so I switched to a VXA-1 tape drive from Ecrix (now owned by Exabyte; see "Ecrix's VXA-1 Tape Drive: Big Fast Backups" in <A HREF="http://www.tidbits.com/tb-issues/TidBITS-569.html">TidBITS-569</A> and "Ecrix, Exabyte Merge" in <A HREF="http://www.tidbits.com/tb-issues/TidBITS-594.html">TidBITS-594</A>). It worked well for a year or so, but its tapes held only 33 GB uncompressed, and the amount of data I had soon grew to the point where I needed to buy more tapes to maintain a reasonable three-set backup strategy. At the time, each 33 GB tape cost about $65 when bought in a 5-pack - a good bit of money to spend on tapes. That's when the problem began. An older version of Retrospect on the Performa 6400 I was using as a backup server crashed occasionally during backup, at which point the VXA-1 drive would go into some sort of a loop that required manual intervention. That was annoying, but the final kicker was that several times after I broke the VXA-1 out of the loop, the inserted tape was unusable. Needless to say, at $65 per tape, this was not a situation I could tolerate for long.</P><P><<A HREF="http://www.dantz.com/en/products/mac_desktop/">http://www.dantz.com/en/products/mac_desktop/</A>><BR><<A HREF="http://db.tidbits.com/article/06322">http://db.tidbits.com/article/06322</A>><BR><<A HREF="http://db.tidbits.com/article/06539">http://db.tidbits.com/article/06539</A>></P><P><STRONG>Enter the Hard Drive</STRONG> -- When I did some price comparisons on different forms of backup media, I saw that hard drives were solidly in the lead for price per gigabyte. It's a bit tricky to make those calculations, though, since a FireWire drive costs about $100 more than the equivalent bare IDE drive thanks to the necessary FireWire bridge board, case, and power supply. A number of manufacturers make kits into which you can pop your own drive, and I considered them briefly, but it seemed that I'd have to choose between two unpalatable options: swapping bare drives into and out of a case every time I switched backup sets, or buying three separate kits and fussing with FireWire and power cables for each swap. (For more thoughts on this topic, see "What About Backing Up to FireWire Hard Disks?" in <A HREF="http://www.tidbits.com/tb-issues/TidBITS-574.html">TidBITS-574</A>.)</P><P><<A HREF="http://db.tidbits.com/article/06383">http://db.tidbits.com/article/06383</A>></P><P>So when I became disenchanted with the VXA-1 and wanted to switch to a hard drive backup solution, I turned to Granite Digital, a company long known for high-quality SCSI cables and other storage-related accessories. They make an unusual product called the FireVue Hot Swap Drive System, which is a FireWire drive bay with the necessary power supply, fan, and Oxford 911-based FireWire bridge board. What it doesn't contain is a hard drive; you add that by purchasing a standard 3.5 inch IDE drive, installing it into a special tray, and then inserting the tray into the FireVue's bay. A kit containing the FireVue bay and one tray costs $200 ($180 on sale at the moment) and additional trays are $30.</P><P><<A HREF="http://www.granitedigital.com/catalog/pg26_firewireidehotswapdrive.htm">http://www.granitedigital.com/catalog/pg26_ firewireidehotswapdrive.htm</A>></P><P>You can buy the FireVue Hot Swap Drive System complete with a drive from Granite Digital, but realistically, you'll find cheaper prices on drive mechanisms elsewhere. I generally check hard drive prices on PriceWatch, and I also look for special sales on Dealnews; between the two, I generally spend about $100 per drive - in my experience so far, first a pair of 80 GB drives and then a 120 GB drive.</P><P><<A HREF="http://www.pricewatch.com/">http://www.pricewatch.com/</A>><BR><<A HREF="http://dealnews.com/">http://dealnews.com/</A>></P><P>The FireVue was the perfect solution for my situation, since $250 or so would get me started with the drive bay and three trays, and I could keep increasing the size of the hard drives I put in the trays as needed. My first three drives were a 60 GB drive I had around the office and the pair of 80 GB drives. When the 60 GB drive filled up, I removed it from its tray, and replaced it with a 120 GB drive. My goal is to rotate drives out of the system on a sporadic basis as they fill up, storing them for posterity. I'm under no illusions that hard drives are the best archival media for backups, but since I tend not to throw anything relevant out (my Macs keep coming with ever-larger hard drives too), I'm not worried about needing complete archives or losing anything should one of the archive disks prove unusable at some point in the distant future.</P><P>(For those of you paying attention and wondering how I managed this on a Performa 6400 - I didn't. All this happened simultaneously with buying a new dual 1 GHz Power Mac G4 as my main desktop Mac so I could let my 450 MHz Power Mac G4 running Mac OS X take over server duties from the aging Mac OS 9-based Performa 6400. The Performa didn't have FireWire and might have been too slow for the software-based compression I wanted to have Retrospect start doing. I also upgraded my network, replacing 10 Mbps Ethernet hubs with cheap 10/100 Mbps switches so backups of Macs with 100 Mbps Ethernet could run at full speed when backing up to the new server. It's amazing how a single decision - moving from the SCSI-based VXA-1 tape drive to the FireWire-based FireVue - can require so many dependencies that must be satisfied first.)</P><P><STRONG>Better Backups, Faster Restores</STRONG> -- Tape backup systems are generally fairly sprightly when it comes to writing data to tape, but I've always found them annoying when restoring data (and remember, it's restoring the data that you care about). Nonetheless, increasing the speed of my network and backing up to a fast hard disk meant that backups ran a lot faster than in the past, which was extremely welcome. If the act of backing up was better, restoring was even more so, since Retrospect didn't have to ask the tape to seek for minutes to find the file I wanted, and I never had to swap tapes to access all the versions of the file backed up over time.</P><P>The other significant improvement when using hard drives for backup is that I can tell, by looking at the disk in the Finder, how much free space is left on it. That's impossible with tapes, so knowing when you might need to add a new tape or recycle the media is pure guesswork, whereas with the hard drives I can now tell roughly when the drive will be filling up.</P><P>Unfortunately, even the just-released Retrospect 5.1 can't span a backup set across multiple hard disks, as it can when you're using any sort of removable media like CDs, DVDs, or cartridge drives. For me, right now, that's not a problem, since my backup drives are large enough to store all the data on my network plus a few months of changes, and it seems that the size of the drives I can use for backup will outpace my ability to increase stored data. Remember too that Retrospect can compress data (30 to 45 percent on my data, which is largely email), and it backs up only one copy of files that are identical on different machines, thus eliminating a lot of redundant data copying.</P><P>Those of you who work with huge data sets - large image files, huge databases, or video that simply must be backed up - will need to stick with removable backup media like tapes for now, although I expect a future version of Retrospect to be able to span backup sets across multiple hard disks. And as I noted before, tape is still better for serious archiving.</P><P><STRONG>Niggles and Annoyances</STRONG> -- As much as the FireVue Hot Swap Drive System is ideal in conception, its implementation isn't perfect. Installing a drive into a tight-fitting tray is tricky, and you must be careful not to damage a cable that runs alongside the edge of the tray. Although Granite Digital engineered a latching handle onto the front of the tray that aids insertion and removal, the insertion mechanism doesn't have a solid feel to it, and sometimes the drive isn't fully inserted when the handle latches down. More annoying is the fact that to remove a tray you must unlock it using a little round key. I'm not bothered by performing another action before removing the tray, but the keys are small, cheap, easily lost, require some fiddling to use, and I'd like to see a larger knob that could replace the key permanently if you weren't concerned about security.</P><P><STRONG>A SMARTer FireVue</STRONG> -- After a few months of using the FireVue system that I'd bought quite happily, Granite Digital asked if I'd like to review their new version, the FireVue SMART Hot Swap Drive System, which adds an LCD panel that provides constant feedback on hard drives that support SMART (Self-Monitoring, Analysis, and Reporting Technology). Along with the SMART support, the new unit addresses some of my irritations with the original FireVue, making it somewhat easier to install a drive and improving the feel of the insertion. The key is still required, but at least it seems to be the same key, so I don't have to keep track of two separate keys. These improvements come at a higher cost ($280 for the kit with one tray, $50 for additional SMART LCD trays, and $30 for additional standard trays), raising the question of whether or not it was worth the extra money. The FireVue SMART Hot Swap Drive System trays aren't exactly the same as the plain FireVue Hot Swap Drive System trays, so you can't mix and match.</P><P><<A HREF="http://www.granitedigital.com/catalog/pg32_firewiresmarthotswapdrive.htm">http://www.granitedigital.com/catalog/pg32_ firewiresmarthotswapdrive.htm</A>></P><P>I'd not heard of SMART before, but it's an interesting technology designed by a number of major hard drive manufacturers to increase the reliability of hard drives. SMART-compliant drives incorporate a suite of diagnostic routines that monitor the internal operations of the drive and report the results back, either to special software running on the computer, or to an integrated interface such as the one Granite Digital built into their SMART LCD trays.</P><P>I quite like the SMART LCD display, since it constantly shows information like peak and average data rates, the latter of which was often quite low, due to data coming in over the comparatively slow network. Two buttons, Menu and Select, enable you to walk through the rest of the built-in interface, where you can view information about the FireVue's FireWire bridge board, the drive itself, the FireWire ports, and even the host (where it told me that one was connected, but two were allowed, piquing my curiosity).</P><P>The seriously geeky information and controls are in the Diagnostics/Utils menu. You must unplug the drive's FireWire cable from the computer to access these items since they could conflict with activities taking place on the Mac at the same time. You can view all the SMART attributes, such as various types of error rates, reallocated sectors, and internal temperature. You can even see error logs, though I suspect only support engineers are likely to understand them. If you're concerned about the health of your drive, you can perform a series of short and long tests: SMART self-tests, read tests, and verify tests. There are even options for erasing the disk, which I found a little scary, since the interface is sufficiently simplistic that mistakes could be made (tip: just keep pressing Menu if you're worried).</P><P>I can't say that having SMART support has done more than entertained me on a few occasions, since I haven't experienced any problems with the drive in that tray. But before I received the SMART version of the FireVue, I had trouble with another drive, and I would have appreciated SMART diagnostics then. As it was, Retrospect's anal-retentive verification started showing odd errors that I eventually tracked to bad blocks on the drive. A simple reformat didn't help, but reformatting with the option to "Zero all data" enabled in Disk Utility mapped out all the bad blocks. Even though it's working fine now, I'll probably be rotating that drive out of the backup mix next.</P><P><STRONG>A SMART Backup Strategy</STRONG> -- I must admit, I'm pretty happy with my backup strategy at the moment. It's fast, it's flexible, it's relatively cheap, and I can easily store one of trays at my parents' house for off-site security, rotating it every few weeks. I won't pretend that it's ideal for every situation, since people with very little data may be better served by backing up to CD or DVD, and those with a lot of data or archival needs would probably be better off with a tape-based backup solution. But for anyone with at least several Macs and no more data than can fit on a single hard disk, I definitely recommend the FireVue Hot Swap Drive Systems and a set of inexpensive drives.</P><P class="paybits">PayBITS: If Adam's review helped you decide how to set up your<BR> backup system, why not acknowledge the article's value via PayBITS?<BR> <<A HREF="https://www.paypal.com/xclick/business=ace%40tidbits.com">https://www.paypal.com/xclick/ business=ace%40tidbits.com</A>><BR> Read more about PayBITS: <<A HREF="http://www.tidbits.com/paybits/">http://www.tidbits.com/paybits/</A>></P><!-- Backing up with the FireVue Adam C. Engst --></div>
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