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Old 08-10-2010, 10:10 PM   #11
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Software and onboard RAID used to be really taxing on the CPU when it was first introduced, but those observations were made in the Pentium II and Pentium III days. Since then, processors have gotten much faster, gone 64-bit, and gained more cores; now, we're to the point that things like software RAID or full drive encryption feel transparent.

Similarly, I'm using BitLocker (full drive encryption) on one of my notebooks, and feeling zero performance penalty compared to when it was unencrypted.

Of course, if I had the feasible option, I'd pop in a hardware RAID controller.
I'm looking into BitLocker at work, good information to know, thanks.

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I know he has an overclocked i7, but this still takes a toll on your memory subsystem. Its data throughput that is constantly processed when you're using the computer. RAID 5 will put a huge load on any RAID controller.

Will he notice? Probably not. I guess part of the reason is that is I simply don't trust motherboard RAID. I have motherboard RAID on my motherboard right now with two 500GB drives in a RAID 1, and the write performance is pitiful compared to the 3 SCSI drive RAID 5 with the dedicated controller.
The Intel RAID chip on my motherboard is actually supposed to be pretty reliable, and so far I've had no issues with it. The JMicron controllers on the other hand.... lets not go there.

I've been chancing it for too long with my data, RAID 10 should give me the extra performance I want and security I need. Like you guys have said, with the system overclocked like it I have it I shouldn't notice much overhead, definitely not enough to deter me. I'll look into a RAID card for the next board.
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Old 08-10-2010, 10:14 PM   #12
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I'm looking into BitLocker at work, good information to know, thanks.
TrueCrypt works much much better. No back doors built into it
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Old 08-10-2010, 10:15 PM   #13
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TrueCrypt works much much better. No back doors built into it
I don't doubt that, central management is going to be an issue with 900 users though.
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Old 08-11-2010, 01:10 PM   #14
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I don't doubt that, central management is going to be an issue with 900 users though.
Indeed. Domains hosted on Windows Server 2008 or newer support key escrow, and 2008 R2 supports backing up recovery keys for BitLocker To Go into the AD schema.

You'll need either the Enterprise or Ultimate versions of Windows Vista or Windows 7, as well as a TPM 1.2 chip in each of your 900 systems. (Or 900 flash drives and 900 users who won't lose them.)
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Old 08-11-2010, 01:23 PM   #15
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Indeed. Domains hosted on Windows Server 2008 or newer support key escrow, and 2008 R2 supports backing up recovery keys for BitLocker To Go into the AD schema.

You'll need either the Enterprise or Ultimate versions of Windows Vista or Windows 7, as well as a TPM 1.2 chip in each of your 900 systems. (Or 900 flash drives and 900 users who won't lose them.)
Well, I guess being more realistic, not all 900 are going to need encryption. I think this will mostly be used for our field techs and some special cases which accounts for a good 450 anyways. When we migrate to Windows 7 those that need the encryption will receive Ultimate, the rest Pro. Although IIRC the price difference is like $15?
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Old 08-11-2010, 01:29 PM   #16
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Talk to your company'* computer vendor; while it'* a $20 difference retail, you can probably get a better deal, especially if you're buying 450 licenses (or new computers) at once.

Not sure about pricing for Enterprise, though; it requires you to set up a key server and do volume licensing, but it may be cheaper than Ultimate. Do your homework on that one.
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Old 08-11-2010, 01:35 PM   #17
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TrueCrypt works much much better. No back doors built into it
I'm using TrueCrypt on one my external HDD. I hate that the only way I can un-encrypt it is to format it. That sucks because right now I don't have another 1TB HDD to put this stuff onto to format it!
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Old 08-11-2010, 03:36 PM   #18
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I'm using TrueCrypt on one my external HDD. I hate that the only way I can un-encrypt it is to format it. That sucks because right now I don't have another 1TB HDD to put this stuff onto to format it!
Umm what? My installation of TrueCrypt has a decrypt feature
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Old 08-11-2010, 10:45 PM   #19
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Got Windows installed on my SSD and talk about snappy, I've never seen windows pop open that fast. No delay like usual. Not sure why I've waited this long to get one.
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Old 08-12-2010, 12:17 AM   #20
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Got Windows installed on my SSD and talk about snappy, I've never seen windows pop open that fast. No delay like usual. Not sure why I've waited this long to get one.
This is why a lot of people buy the WD Raptor drives; the latency. Granted, with SSD'* you go from milliseconds to nanoseconds, but the same concept applies. when your file transfers consist of many very small files and not a few very large files, that latency comes into play.

Can't wait till I can afford to get an SSD myself, but I'm waiting until the enterprise drives go down in price a bit. I still think the technology is a bit too primitive.
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