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Dell PERC Raid Array |  |
- To: [EMAIL PROTECTED]
- Subject: Dell PERC Raid Array
- From: Bill Moylan <[EMAIL PROTECTED]>
- Date: Wed, 20 Aug 2003 17:12:33 -0400
I came across this Dell 1600 server in the field and was unable to make an
image of it. (of course it would be in the field). I booted with Knoppix
and the software identified a "Megaraid" and a /dev/sda disk with a size of
36GB. This was what was expected as the Admin advised it was a 3-18GB drive
RAID 5. With one of the drives used for parity, the 36GB was consistent. I
attempted to image the "physical" /dev/sda, hoping to get the entire device
with the2 included partitions. I tried dumping the data with "dd
if=/dev/sda conv=noerror |split -b 2048000000 - /mnt/sdb1/imagefiles." The
sdb1 is a USB 2 drive (unfortunately unsupported on the server device, so
running as USB 1). Due to the slow speed of the drive, the setup was left
working overnight. The imaging failed at about 10G, having created 4 2GB
file chunks and part of a third. Since I will have to return to finish this
I would like some help correcting my process. I intend to bring a
USB2/Firewire card with me to deal with the speed issue, but am wondering
if I should try to image the entire 36GB or image the 2 partitions
individually.
Any help is appreciated
Bill Moylan
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