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Breaking the Image Backup Barrier (Read 10365 times)

Pleonasm

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Breaking the Image Backup Barrier
Dec 7^th, 2007 at 4:00pm

Is it a Radified Forum record? Running ShadowProtect Desktop 3.1 on Windows Vista Business (32-bit) on a HP xw4600 Workstation with 15K RPM SAS hard disks (Fujitsu MAX3073RC and MAX3147RC), I am able to create a full backup image of the system partition at over 65MB/second and verify it at over 75MB/second routinely (no compression, no encryption, 100% IO throttle) — sometimes even faster.

P.S.: Is this how Chuck Yeager felt?

ple • o • nasm n. “The use of more words than are required to express an idea”

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MrMagoo

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	Re: Breaking the Image Backup Barrier Reply #1 - Dec 9^th, 2007 at 6:51pm In Chuck's case, the feats he attempted were often very dangerous given the little aviation knowledge available at the time. I'm sure danger adds to the excitement considerably.
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Rad

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	Re: Breaking the Image Backup Barrier Reply #2 - Dec 9^th, 2007 at 10:57pm Chuck can only wish for such a blazingly-fast backup. Eat your heart out, Chuck. Your workstation, Pleo? What SAS controller was used with the drive?
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Pleonasm

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Re: Breaking the Image Backup Barrier
Reply #3 - Dec 10^th, 2007 at 10:48am

Rad, please see HP xw4600 Workstation for an overview of the workstation. It contains the LSI 3041E 4-port SAS card.

Interestingly, the speed is reduced by approximately 50% when creating a 'cold image' from within the ShadowProtect Recovery Environment versus creating a 'hot image' from within Windows Vista. I would have expected the Recovery Environment to be faster, given the absence of the full operating system overhead - but that's not the case.

ple • o • nasm n. “The use of more words than are required to express an idea”

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TheShadow

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Re: Breaking the Image Backup Barrier
Reply #4 - Jan 20^th, 2008 at 11:00am

I'm drawing a total Blank, on the SAS thing.
It's Not something I've ever used, or probably never will.
But I'm curious as to where you're getting those speed readings?

Does the program tell you just how fast it's transferring data....
like Ghost 2003 does?

I ask, because when I'm doing a Ghost 2003 backup from my first SATA2 drive to my second SATA2 drive, I'm seeing transfer rates (reported by Ghost) of from 1000mbps to 1500mbps.
I back up my entire C: drive in less than five minutes, with FAST compression.

I'm just wondering how that compares to what you're seeing. ???

Just curious....

The Shadow Cool

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Pleonasm

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	Re: Breaking the Image Backup Barrier Reply #5 - Jan 20^th, 2008 at 1:12pm TheShadow, for information about SAS, please see: Serial Attached SCSI . The speeds I reported are displayed by ShadowProtect Desktop when the image is created/verified. Generally speaking, a 15,000 RPM SAS drive will be about twice as fast as a 7,200 RPM SATA hard disk drive.
	ple • o • nasm n. “The use of more words than are required to express an idea” IP Logged

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