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CMS1 threw a bunch of errors on /export/home (/dev/sda3) and remounted read-only. Backup ~hazen/hcal stuff to /export/data (which is on /dev/sda5).
Went single user and run
# umount /dev/sda3 # e2fsck /dev/sda3 -p
Won't run... requires to be run manually (sigh). Run again with '-y' option. There is only one physical drive connected (/dev/sda).
Copy /export/data/Backups to buphy.
Install new 250GB SATA drive on 2nd SATA connector. Partition as:
sdb1 40G / sdb2 4G swap sdb3 100G /home sdb4 100G /data
Create ext3 fs on all partitions. Guoan copied everything and changed the partition labels to match. Swap SATA cables and reboot, now running from new disk.