{"id":1592,"date":"2009-10-02T11:09:09","date_gmt":"2009-10-02T15:09:09","guid":{"rendered":"http:\/\/www.schollnick.net\/wordpress\/?page_id=1592"},"modified":"2009-10-02T11:09:09","modified_gmt":"2009-10-02T15:09:09","slug":"a-case-for-the-need-for-backups","status":"publish","type":"page","link":"http:\/\/www.schollnick.net\/wordpress\/systems-administration\/a-case-for-the-need-for-backups\/","title":{"rendered":"A case for the Need for Backups&#8230;"},"content":{"rendered":"<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">From <a href=\"http:\/\/superuser.com\/questions\/23478\/unable-to-repair-disk-using-mac-os-x-disk-utility\/24653#24653\">SuperUser.com&#8230;<\/a><\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\"><em>My wife has been complaining about her MacBook Air&#8217;s performance. It seems to work fine, but when I ran Disk Utility and did a &#8220;Verify Disk&#8221;, it reported filesystem errors. The &#8220;Repair Disk&#8221; button was disabled, because this is the startup drive.<\/em><\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\"><em>So, I restarted with the Mac OS X Install Disc and ran Disk Utility again. When I run &#8220;Repair Disk&#8221;, I get this output:<\/em><\/p>\n<pre style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 10px; padding-top: 5px; padding-right: 5px; padding-bottom: 5px; padding-left: 10px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 5px; border-style: initial; border-color: initial; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: #f5fdff; font-family: Consolas, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New'; border-left-style: solid; border-left-color: #1087a4; overflow-x: auto; overflow-y: auto; width: auto; max-height: 600px; background-position: initial initial; background-repeat: initial initial;\"><code style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; font-family: Consolas, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New'; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Verify<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #00008b; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">and<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Repair<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> volume <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: maroon; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\"Macintosh HD\"<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Checking<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Journaled<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> HFS <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Plus<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> volume<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">.<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Checking<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Extents<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Overflow<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> file<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">.<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Checking<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Catalog<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> file<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">.<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Invalid<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> node structure<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">.<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Volume<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> check <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Failed<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">.<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Error<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">:<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #2b91af; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">Filesystem<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> verify <\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: #00008b; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">or<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\"> repair failed<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">.<\/span><span style=\"font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; color: black; background-position: initial initial; background-repeat: initial initial; padding: 0px; margin: 0px; border: 0px initial initial;\">\r\n<\/span><\/code><\/pre>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">Well, here&#8217;s the good example for the need of Backups. \u00c2\u00a0In this particular case, the user had no luck, and ended up re-installing after a reformat of the hard drive. \u00c2\u00a0And sadly, they had no backups of the Mac Book Air.<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">Those in the Technical Support field will completely understand, when I say, the most important thing you can have is a backup of your system. <!--more--> Why? \u00c2\u00a0Because a backup insures that you will be able to restore your computer back \u00c2\u00a0to a known state. \u00c2\u00a0Yes, drive repair tools are all well and good&#8230; \u00c2\u00a0DiskWarrior, and TechTool Pro both can do a fantastic job of repairing drive damage&#8230; \u00c2\u00a0As long as it is not a hardware failure that is. \u00c2\u00a0Disk Warrior v4 is a god-send to all Macintosh Technicians, I have used it countless number of times, to repair drives that just were not working.<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">But are you willing to make that gamble? \u00c2\u00a0What about your family photos, Ebooks, family videos, etc? \u00c2\u00a0A simple backup will help ensure that if your hard drive(s) are damaged, that you have at least saved some of your data&#8230; \u00c2\u00a0I<span style=\"background-color: #ffffff;\">f you do not backup, you will have no way to restore your system if trouble should arise. \u00c2\u00a0Yes, ideally you would be backing your system up after every changes, but that&#8217;s not quite realistic. \u00c2\u00a0Even if you backup once a week, once a month, or once every 6th months, you would at least have the chance of restoring your system from that older backup. \u00c2\u00a0I would much rather be set back a month or so, instead of losing everything.<\/span><\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">Reinstalling is a time intensive project, and can easily take a day or two. \u00c2\u00a0Yes, there are techniques to help eliminate the manual labor, but those techniques (eg InstaDmg) are not intended for a single re-install, instead they are intended for multiple computer installs. \u00c2\u00a0Thus, they are time intensive at the start, but quickly speed up the eventual process, when addressing multiple computers.<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; padding: 0px;\">But what are your Backup options?<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; padding: 0px;\"><span style=\"background-color: #ffffff;\">On the Macintosh, Time Machine is a low-cost, reasonable answer to the Backup issue. \u00c2\u00a0Just plugin an external drive, and away you go. \u00c2\u00a0Like anything else, there are some issues with Time Machine, \u00c2\u00a0after all it&#8217;s still relatively new. \u00c2\u00a0Overall it is a reasonable method to back your system up. \u00c2\u00a0See my\u00c2\u00a0<a title=\"Time Machine Information\" href=\"http:\/\/www.schollnick.net\/wordpress\/systems-administration\/macintosh-related\/time-machine-information\/\" target=\"_blank\">Time Machine Information page<\/a> for more details&#8230; \u00c2\u00a0Alternatively if you need more features, or more options, Carbon Copy Cloner, SuperDuper!, and other packages are available which give you additional features, and options, but are also reasonably priced.<\/span><\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">On the PC side, I have used Rsync quite a bit&#8230;.<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">For backing up Boot Camp partitions, I strongly recommend,\u00c2\u00a0<a href=\"http:\/\/twocanoes.com\/winclone\/\">WinClone<\/a>.<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\"><span style=\"background-color: #ffffff;\">What media should you use to backup onto? \u00c2\u00a0Here&#8217;s a hint. \u00c2\u00a0Don&#8217;t even consider tape backups. \u00c2\u00a0The issue there is that the drives, and tapes are too expensive.<\/span><\/p>\n<p>Sony 1PK 36\/72GB DAT72 4MM TAPE \u00c2\u00a0 \u00c2\u00a0 $14.77 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0$0.41 per Gb \u00c2\u00a0to $0.22 per Gb<\/p>\n<p>8mm Tape Cartridge, VXA, ECRIX, 62 m, 12\/24GB, V6 Drive  $26.13 \u00c2\u00a0 \u00c2\u00a0$2.17 per Gb to $1.09 per Gb<\/p>\n<p>Data Cartridge, 4MM, DDS 3, 125M, 12GB  $6.12 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 \u00c2\u00a0 $0.51 per Gb<\/p>\n<p>The largest potential tape size is the Sony 36\/72 (36 Gb non-compressed, 72 Gb compressed) would take roughly 14 tapes (compressed) to equal a 1Tb drive. \u00c2\u00a0Or roughly 28 tapes, uncompressed, but in reality it would be somewhere in between 14 &#8211; 28 tapes. \u00c2\u00a0That&#8217;s roughly $200 &#8211; 400 dollars on tapes&#8230;. \u00c2\u00a0Not including the drives, tape backup software, and storage space from the tapes&#8230; \u00c2\u00a0And I do mean drives, generally if you doing more than a few tapes, you will need multiple drives, or a tape changer&#8230;. \u00c2\u00a0After all, are you going to pay someone to sit there and just change tapes?<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">Consider this, 1 TB external drives are relatively inexpensive these days. \u00c2\u00a0For example, a 1 TB Western Digital My Home (USB\/Firewire 400\/eSata) is only $119 to $149 on <a href=\"http:\/\/www.amazon.com\/Western-Digital-FireWire-External-WDH1CS10000N\/dp\/B000WBJDUA\/ref=sr_1_3?ie=UTF8&amp;s=electronics&amp;qid=1254162216&amp;sr=8-3\">Amazon.com<\/a>. \u00c2\u00a0How much Time, and Energy would it take for you to completely re-install your computer? \u00c2\u00a0An Hour? \u00c2\u00a0Two Hours? \u00c2\u00a0A day? \u00c2\u00a0Did I mention your applications too? \u00c2\u00a0What about your documents, pictures, and mail? \u00c2\u00a0Plug it in to your Macintosh, and turn on Time Machine, and your all set.<\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\"><span style=\"background-color: #ffffff;\">What about network backup solutions? \u00c2\u00a0For example, Carbonite&#8230; \u00c2\u00a0I am not recommending these methods, because of the potential cost, not of the service, but of the bandwidth.. \u00c2\u00a0Many Broadband ISP&#8217;s, are starting to try to charge &#8220;overage&#8221; fees for bandwidth. \u00c2\u00a0That could make network based backups too expensive for practical uses&#8230;.<\/span><\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\"><span style=\"background-color: #ffffff;\">Please feel free to leave comments, suggestions, and your input in the comments section. \u00c2\u00a0I will be happy to expand on this, based on the questions, comments, and concerns that you raise.<\/span><\/p>\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">\n<p style=\"margin-top: 0px; margin-right: 0px; margin-bottom: 1em; margin-left: 0px; font-size: 14px; vertical-align: baseline; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; clear: both; background-position: initial initial; background-repeat: initial initial; padding: 0px; border: 0px initial initial;\">\n","protected":false},"excerpt":{"rendered":"<p>From SuperUser.com&#8230; My wife has been complaining about her MacBook Air&#8217;s performance. It seems to work fine, but when I ran Disk Utility and did a &#8220;Verify Disk&#8221;, it reported filesystem errors. The &#8220;Repair Disk&#8221; button was disabled, because this is the startup drive. So, I restarted with the Mac OS X Install Disc and <a class=\"read-more\" href=\"http:\/\/www.schollnick.net\/wordpress\/systems-administration\/a-case-for-the-need-for-backups\/\">[&hellip;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":216,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"_links":{"self":[{"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/pages\/1592"}],"collection":[{"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/comments?post=1592"}],"version-history":[{"count":0,"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/pages\/1592\/revisions"}],"up":[{"embeddable":true,"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/pages\/216"}],"wp:attachment":[{"href":"http:\/\/www.schollnick.net\/wordpress\/wp-json\/wp\/v2\/media?parent=1592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<!-- WP Super Cache is installed but broken. 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