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SF V240 HDD shows wrong capacity

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Operating Systems Solaris SF V240 HDD shows wrong capacity
# 8  
Old 10-08-2008
With prtvtoc command it fails with some error and did not work.
However, dd if=/bin/sh bs=512 count=4 of=/dev/rdsk/c1t0d0s2 works!! Im happy to got it working and recover my 72G . Thx Guys!Smilie
# 9  
Old 10-09-2008
Quote:
Originally Posted by quetzalcoatl
Hi

the prtvtoc report information about a disk geometry and partitioning and Solaris use the HDD like a prtvtoc shows, so its very common to paste hdd information when you made a mirror, you could pass it a HD 72G prtvtoc to the HD 36G, but like said Perderabo, this command are destructive..

So you can use the fmthard command to paste the prtvtoc information

for insteance
#root@# prtvtoc /dev/dsk/c1t0d0s0 | fmthard -s - /dev/rdsk/c1t3d0s2
Typo there:
prtvtoc /dev/rdsk/c1t0d0s0 | fmthard -s - /dev/rdsk/c1t3d0s2

But you need a disk, physically identical to the screwed-up disk, but with a correct vtoc for this to work. My technique, while gross, will work without a correct 2nd disk. I have used it on a 2 disk system where someone copied the first disk to the 2nd, thus reducing the capacity of the second disk. There was no 3rd disk with an intact vtoc to serve as the source for the above command.
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