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Operating Systems Solaris dd command
# 8  
Old 02-23-2006
PHP Epilog

OK, so I have a window with glance running to watch the internal operations of my dd command. The top few lines of glance are activity bars showing overall system utilization. For hours, disk usage was at 100%. Then I noticed that it dropped to 0. No disk utilization at all. Did my dd finish? Nope. It is still running. Both of my file pointers froze at exactly 34359738368. I allowed this situation to persist for a hour or so, mostly because I was busy with something else. Then I killed the dd command. I am certain it would have "ran" for another 4 days if I have let it. Or another 4 years. glance said that dd was in I/O wait and that (to me) points the finger towards the driver. If a gigabyte is 2^30, then 34359738368 is exactly 32 GB. That is a larger number than will fit into 32 bits. So the kernel, the driver, and dd are all in 64 bit mode. But apparently, the driver bumped into some other limit. Smilie
# 9  
Old 02-24-2006
Used ufsdump, it worked

I used ufsdump instead of dd command. It worked

Regards,
Savitha
# 10  
Old 02-24-2006
You can also try this:
Code:
cat /dev/rdsk/c1t0d0s2  > /dev/rdsk/c1t2d0s2


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