Michael Mott wrote:
Hi there,
Hi,
you're just my last hope - I think.
I've posted this question at many Web-Sites in the last week, but nobody can
help me.
For a view days I've created a Software Raid 5 (mdadm) under Ubuntu 7.10 32Bit
Alternate with 4 x 233 GiB SATA II Hdds @ USB 2.0.
After that I want to create a Truecrypt-Volume on this md-Device what not
should be a problem.
But the Process hangs after a view Minutes running and then whole System hangs.
So I've pushed the Power-Button and the System writes something to the
System-Hdd - but then nothing happens further. Then I have resetted the System.
After next boot I've assembled the Raid 5 again what function without any
problem. The System even wont to resync anything.
After that I've build the Truecrypt-Volume on the whole md-Device without any Problem.
Now my question: Is there any Methode to Test the integrity of die md-Device at
low-level? Can I trust the Device?
I use this script on a regular basis to check for RAID integrity. I hope
this is what you mean.
#!/bin/bash
# Check all RAIDs
RAIDS_TO_CHECK="md0 md1 md2"
# Check all md's
for i in $RAIDS_TO_CHECK; do
echo check >> /sys/block/$i/md/sync_action
sleep 5
while ( test `mdadm --misc --detail /dev/$i | grep -c "Rebuild
Status"` -gt 0 ); do
sleep 10
done
if ( test $(( `cat /sys/block/$i/md/mismatch_cnt` )) -gt 0 ); then
echo repair >> /sys/block/$i/md/sync_action
sleep 2
while ( test `mdadm --misc --detail /dev/$i | grep -c
"Rebuild Status"` -gt 0 ); do
sleep 10
done
echo "Warning: A Repair to RAID $i was needed..."
fi
done
Best regards,
Michael
Rui
--
Cumprimentos
*Rui Santos*
Dep. Testes
*GrupoPIE Portugal, S.A.*
Tel: +351 252 290 600
Fax: +351 252 290 601
Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
Web: www.grupopie.com <http://www.grupopie.com/>
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