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	<title>IT Answers &#187; Disk drives</title>
	<atom:link href="http://itknowledgeexchange.techtarget.com/itanswers/tag/storage/disk-drives/feed/" rel="self" type="application/rss+xml" />
	<link>http://itknowledgeexchange.techtarget.com/itanswers</link>
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		<title>Are IBM SCSI drives custom?</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/are-ibm-scsi-drives-custom/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/are-ibm-scsi-drives-custom/#comments</comments>
		<pubDate>Tue, 16 Feb 2010 19:28:25 +0000</pubDate>
		<dc:creator>Florenjm</dc:creator>
				<category><![CDATA[AS/400 hardware]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[IBM 170 series server]]></category>
		<category><![CDATA[SCSI]]></category>
		<category><![CDATA[SCSI Drives]]></category>
		<category><![CDATA[V5R3]]></category>

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		<description><![CDATA[I have a 170 with 4 and 8GB drives and want to change to 17 GB or 36 GB drives. Is it true that the IBM drives have IBM&#8217;s os/400 micro code and I can only use their drives? I know that the 36GB are working because they are being sold that way (but no [...]]]></description>
				<content:encoded><![CDATA[<p>I have a 170 with 4 and 8GB drives and want to change to 17 GB or 36 GB drives. Is it true that the IBM drives have IBM&#8217;s os/400 micro code and I can only use their drives? I know that the 36GB are working because they are being sold that way (but no larger than that). Thanks</p>
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		<title>Missing Disk Space 1TB HDD</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/missing-disk-space-1tb-hdd/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/missing-disk-space-1tb-hdd/#comments</comments>
		<pubDate>Tue, 22 Sep 2009 14:45:34 +0000</pubDate>
		<dc:creator>ITKE</dc:creator>
				<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[Hard drives]]></category>

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		<description><![CDATA[Missing Disk Space Hi, have two 1TB HDD&#8217;s not set up in raid config&#8230; (1 listed as C other as D) Recentley moved lots of pics to back up in D&#8230; in calculating used space i have noted a loss of 121.6G that i cannot account for. I have pc set up with two users&#8230; [...]]]></description>
				<content:encoded><![CDATA[<p><a class="bold">Missing Disk Space</a><br />
Hi, have two 1TB HDD&#8217;s not<br />
set up in raid config&#8230; (1 listed as C other as D) Recentley moved<br />
lots of pics to back up in D&#8230; in calculating used space i have noted<br />
a loss of 121.6G that i cannot account for.</p>
<p>I have pc set up with two users&#8230; is it a case of that other users<br />
account is a exact mirror of mine as have given same rights and<br />
permissions to this?</p>
<p>Used space is 247G and in checking all my folders, eg Program<br />
folder, windows, users, doc folders,public foldrs. I have used space of<br />
125.6G, which comes to 121.4 G missing. </p>
<p>any ideas.</p>
<p>Cymon</p>
<p>ps use norton 360 as back up and have checked destination it is to D.</p>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What is SAS?</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/what-is-sas/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/what-is-sas/#comments</comments>
		<pubDate>Thu, 16 Apr 2009 15:32:33 +0000</pubDate>
		<dc:creator>SearchStorageATE</dc:creator>
				<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[SAS]]></category>

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		<description><![CDATA[What does SAS do? What is it&#8217;s purpose?]]></description>
				<content:encoded><![CDATA[<p>What does SAS do? What is it&#8217;s purpose?</p>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DVD Recorder</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/dvd-recorded/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/dvd-recorded/#comments</comments>
		<pubDate>Tue, 24 Feb 2009 03:50:31 +0000</pubDate>
		<dc:creator>Griffie10</dc:creator>
				<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[DVD recorders]]></category>
		<category><![CDATA[Optical storage]]></category>

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		<description><![CDATA[I removed the DVD recorder drive by unplugging it from the computer tower, now that I have put it back in, it does not recognize any discs I put in there and now the CD ROM does not either, I believe it may have to do with some of the wires that have PS6 and [...]]]></description>
				<content:encoded><![CDATA[<p>I removed the DVD recorder drive by unplugging it from the computer tower, now that I have put it back in, it does not recognize any discs I put in there and now the CD ROM does not either, I believe it may have to do with some of the wires that have PS6 and PS8 on them and maybe the PS4 wire.  How do I fix this so they work properly?</p>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Bad sectors</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/bad-sectors/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/bad-sectors/#comments</comments>
		<pubDate>Fri, 06 Feb 2009 07:30:42 +0000</pubDate>
		<dc:creator>BPandey</dc:creator>
				<category><![CDATA[Bad sectors]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[Enterprise Desktop]]></category>
		<category><![CDATA[Hard drives]]></category>

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		<description><![CDATA[How to identify bad sectors in a hard disk and eliminate them]]></description>
				<content:encoded><![CDATA[<p>How to identify bad sectors in a hard disk and eliminate them</p>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>External CD writer</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/external-cd-writer/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/external-cd-writer/#comments</comments>
		<pubDate>Wed, 26 Nov 2008 16:25:05 +0000</pubDate>
		<dc:creator>Gemstone</dc:creator>
				<category><![CDATA[CD Burner Drivers]]></category>
		<category><![CDATA[CD Burners]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[Drivers]]></category>
		<category><![CDATA[External Disk Drives]]></category>
		<category><![CDATA[Hardware Drivers]]></category>

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		<description><![CDATA[I have recently purchased a second hand memorex CD writer and although it looks in fine order and will play discs I cannot get it to copy/write/or burn discs. It is connected to my PC with a USB &#8211; Do I need a driver? or something. If so how do I go about this. Can [...]]]></description>
				<content:encoded><![CDATA[<p>I have recently purchased a second hand memorex CD writer and although it looks in fine order and will play discs I cannot get it to copy/write/or burn discs. It is connected to my PC with a USB &#8211; Do I need a driver? or something.  If so how do I go about this.  Can anyone help please?</p>
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		<item>
		<title>SMIOSTCPGT System Task Consuming 35% of CPU and makeing my disks run very hot any ideas?</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/smiostcpgt-system-task-consuming-35-of-cpu-and-makeing-my-disks-run-very-hot-any-ideas/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/smiostcpgt-system-task-consuming-35-of-cpu-and-makeing-my-disks-run-very-hot-any-ideas/#comments</comments>
		<pubDate>Tue, 28 Oct 2008 16:39:50 +0000</pubDate>
		<dc:creator>Lovemyi</dc:creator>
				<category><![CDATA[AS/400]]></category>
		<category><![CDATA[AS/400 performance]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[LPAR]]></category>
		<category><![CDATA[SMIOSTCPGT]]></category>
		<category><![CDATA[System Resident Tasks]]></category>

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		<description><![CDATA[I have one LPAR which is a mirrored LPAR running MIMIX and it is having an issue with a System Resident Task of SMIOSTCPGT running a constant 35% of CPU and the disk drives are running at voer 50% busy over a 2 minute sample. I also have other LPARs also running MIMIX and I [...]]]></description>
				<content:encoded><![CDATA[<p>I have one LPAR which is a mirrored LPAR running MIMIX and it is having an issue with a System Resident Task of SMIOSTCPGT running a constant 35% of CPU and the disk drives are running at voer 50% busy over a 2 minute sample.  I also have other LPARs also running MIMIX and I have not seen an issue with this System Resident Task running away.  IBM does not have any answers for me about this tasks.  Has anyone else experienced this rogue issue?</p>
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		<item>
		<title>Disk Sanitizer 5799SD1 &#8211; Physically Removing Drive</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/disk-sanitizer-5799sd1-physically-removing-drive/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/disk-sanitizer-5799sd1-physically-removing-drive/#comments</comments>
		<pubDate>Mon, 27 Oct 2008 15:46:28 +0000</pubDate>
		<dc:creator>TWINLEY</dc:creator>
				<category><![CDATA[AS/400 storage]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[Disk Sanitizer]]></category>
		<category><![CDATA[Disk Sanitizer 5799SD1]]></category>
		<category><![CDATA[QSYSOPR]]></category>

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		<description><![CDATA[I have sanitized the disk drives and ready to physicall remove them. I have tried device concurrent maintence to remove the disk drives, when I pull the disk drive out, it sends a critical hardware message to qsysopr message queue. IBM says that I need to power down the system then remove them. Has anyone [...]]]></description>
				<content:encoded><![CDATA[<p>I have sanitized the disk drives and ready to physicall remove them.  I have tried device concurrent maintence to remove the disk drives, when I pull the disk drive out, it sends a critical hardware message to qsysopr message queue.  IBM says that I need to power down the system then remove them.  Has anyone experienced this issue?  Can you suggest the best practice to remove the disk drives after sanitizing them?</p>
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		<slash:comments>2</slash:comments>
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		<item>
		<title>Adding Disk Units to model 9406-800</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/adding-disk-units-to-model-9406-800/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/adding-disk-units-to-model-9406-800/#comments</comments>
		<pubDate>Wed, 09 Jul 2008 13:42:56 +0000</pubDate>
		<dc:creator>Piano</dc:creator>
				<category><![CDATA[AS/400 storage]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[V5R3]]></category>

		<guid isPermaLink="false"></guid>
		<description><![CDATA[Hello Have a client at V5R3. Before I can upgrade them, I had to order 2 additional disk units. I will need to install them. Not being a hardware guy, I am not really sure what is involved. I was told that I just had to pull off the front panel, and then, pop the [...]]]></description>
				<content:encoded><![CDATA[<p>Hello<br />
 Have a client at V5R3.  Before I can upgrade them,  I had to order 2 additional disk units.  I will need to install them.<br />
   Not being a hardware guy,  I am not really sure what is involved. I was told that I just had to pull off the front panel, and then, pop the new disk into the empty slots.  From here, go into Service Tools, and then add the additional disks.  (Need to make sure that Raid is on as well.</p>
<p> Can anyone point me to documentation (how to instructions), that will assist me in this.</p>
<p>  I realize it sounds simple, but, not ever having done this before,  I would appreciate any feedback.</p>
<p> Thank you<br />
    Nick</p>
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		<title>HUGE hard disks problem, PLEASE! help.</title>
		<link>http://itknowledgeexchange.techtarget.com/itanswers/huge-hard-disks-problem-please-help/</link>
		<comments>http://itknowledgeexchange.techtarget.com/itanswers/huge-hard-disks-problem-please-help/#comments</comments>
		<pubDate>Tue, 08 Jul 2008 16:17:13 +0000</pubDate>
		<dc:creator>Spj</dc:creator>
				<category><![CDATA[Backup & recovery]]></category>
		<category><![CDATA[Data migration]]></category>
		<category><![CDATA[Disk drives]]></category>
		<category><![CDATA[Hard drive repair]]></category>
		<category><![CDATA[Migrations and upgrades]]></category>

		<guid isPermaLink="false"></guid>
		<description><![CDATA[HUGE hard disks problem, PLEASE! help. (Apologies for the lengthy message. My technical expertise is nil and I don&#8217;t know what information is needed, so I prefer to include every possible detail. Neither is my English very good, but I hope to be able to explain the situation clearly) My computer is an old modified [...]]]></description>
				<content:encoded><![CDATA[<p>HUGE hard disks problem, PLEASE! help.</p>
<p>(Apologies for the lengthy message. My technical expertise is nil and I don&#8217;t know what information is needed, so I prefer to include every possible detail. Neither is my English very good, but I hope to be able to explain the situation clearly)</p>
<p>My computer is an old modified Pentium 4 Micron Millennia with three physical hard disks.<br />
- Disk 1 (40GB) has two partitions (C,D) The C: drive has the operating system (WinXP Pro sp1) plus the program files. D: has only a few of My Documents.<br />
- The bulk of my data is in drive E: (60GB) which is disk 2.<br />
- Disk 3 (250GB) is drive H: and holds images of partitions C, D and E plus individual backups, software installation files and other less important resources and data files.</p>
<p>I thought that this setting was foolproof and my data 100% safe. Not so, a couple of weeks days ago drive E: got virtually &#8220;fried&#8221; and drive H: was also greatly damaged, both at the same time. How and why did it happen? I don&#8217;t have a clue. There was a storm, but only a mild one, and &#8211; besides &#8211; everything is connected through a UPS, which didn&#8217;t even beep. The only thing I know is that I heard a &#8220;clack&#8221; and drive E: literally &#8220;spat out&#8221; both connectors.  And I mean *literally*. The only other thing that I can think of is that drive E: was being defragged, which I&#8217;ve done regularly dozens of times.</p>
<p>The situation now is this: the computer doesn&#8217;t even &#8220;see&#8221; drive E:, so it seems that there is nothing to do for it other than send it to a data recovering service &#8230;but it&#8217;s a 2200 to 3600 dollars solution that I cannot afford. </p>
<p>Drive H:, on the other hand, is &#8220;seen&#8221; by the computer, but as soon as I boot I get a message that says: &#8220;Warning. Immediately back up your data and replace your hard disk drive. A failure may be imminent&#8221;. Did an online search and discovered Ontrack Advisor and Spinrite. Both give the same warning message. Moreover, drive H: appears as &#8220;empty&#8221; in Windows Disk Manager, &#8220;healthy&#8221; but with no file system. Amazingly, according to the manager drive E: is also enjoying good health, but as part of the same disk &#8230;and it&#8217;s not even connected.</p>
<p>Only one of the more knowledgeable people I have consulted so far believes me when I say that drive E: literally ejected the connectors. But not even this person seems to believe that drives E: and H: are two SEPARATE physical disks. The reason is in the attached image. If you&#8217;ll please take a look at it you&#8217;ll see that the Disk Manager shows them as two partitions of the same disk. How&#8217;s this possible? What happened? No idea.</p>
<p>(Couldn&#8217;t attach the image. Here&#8217;s the link: http://urlvi.be/5v7wn &#8211; please enlarge it to &#8220;original size&#8221;, it has annotations)</p>
<p>That&#8217;s the problem, explained as best I can. It&#8217;s HUGE for me, because the information I need to recover is very important to me and because I don&#8217;t know what to do. Fortunately drive H: has a 15/21 days old image of drive E:, so if I manage to somehow copy or repair it I&#8217;ll be at least 90% satisfied. Provided drive E was not &#8220;stamped&#8221; on it, as the Disk Manager seems to imply.</p>
<p>I sincerely appreciate your reading this far, and hope you&#8217;ll be able to help me find a solution. Specifically:</p>
<p>1. How can I &#8220;safely and securely&#8221; copy the contents of disk H: to another disk if the computer doesn&#8217;t even read them? Is there a way, or a software program, to do this?, </p>
<p>and/or</p>
<p>2. Is there a way or a software program to &#8220;safely and securely&#8221; repair disk H:? </p>
<p>I strongly stress &#8220;safely and securely&#8221; because I don&#8217;t want to put whatever data is still recoverable at risk by trying non-100% secure options. I consulted with a disk repair software developer and he very honestly replied that &#8220;(his program) is safe to run. However, if you see the warning message, your hard drive&#8217;s condition is bad. It may completely fail at any time. It may also completely fail when you will be scanning it with (his program), not because of (his program), but because the drive&#8217;s condition is bad and it may fail at any time.&#8221; </p>
<p>As a hint, he also said: &#8220;It sounds like there are bad sectors in the file table area that affected the logical structure of your disk&#8221; &#8230;whatever that means.</p>
<p>Two final details: (1) as you&#8217;ve probably noticed in the attached image, I had an Acronis Secure Zone Partition. A small one, not for backup images but only to be able to use the Startup Recovery and the Try&#038;Decide features, images where created directly into drive H; and (2) now I am using the computer with disk 1 (partitions C and D) only, and after this happened every time I boot I see a message (on the black screen, before starting Windows) that reads: &#8220;MBR Error 2&#8243;.</p>
<p>I trust I covered all the information needed to clearly analyze the problem. If something is missing and you are willing to help me, please just let me know and I&#8217;ll do my best to provide it immediately. If you are not sure of a solution but know or have an idea of where to look for it, please also let me know. Thank you.</p>
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