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Rebuilding RAID 1 on orac


  11:03:38 pm, by The Dreamer   , 245 words  
Categories: Hardware, Computer, BOINC

Rebuilding RAID 1 on orac

The new ST3500641AS-RK that I ordered from Amazon.com arrived by UPS (Free 2nd Day -- Amazon Prime) this morning...it was cold, so I left the drive to acclimate and went off to work.

I got home late :|

Due to a bad BOINC project, I found the machine (orac) cool....fixing that, it started to warm up again...but I shut it down to remove the failed drive and install this new one.

Found out that the drive inside is the same as the previous OEM drives....ST3500630AS. Some minor differences though. This time I removed the limit 1.5Gbps jumpers from the drives while I was putting it together.

Then I booted up the system and set out to recover. Only it occurred to me that it isn't going to rebuild it as slickly as Veritas does (and did, when I resurrected a dead server early this morning for work). First question was how to do I (easily) get the partitioning the same. Quick search....found the command to be:

sudo sfsdisk -d /dev/sda | sudo sfsdisk /dev/sdb -O hdd-partition-sectors.save

Checked that things looked right with fdisk, and added the new partitions in to make RAID1 again.

sudo mdadm --add /dev/md0 /dev/sdb1
sudo mdadm --add /dev/md1 /dev/sdb2

Then I checked logs and watched /proc/mdstat of things come back.....ETA 131 minutes for the /dev/md1....guess I'll go to bed and check it in the morning.

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Now instead of subjecting some poor random forum to a long rambling thought, I will try to consolidate those things into this blog where they can be more easily ignored profess to be collected thoughts from my mind.

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