Hermes upgrade

Plan to upgrade Hermes by adding 3 new 146gb disks:

See MegaCLI manual at /afs/ugcs/ugcs-admin/mr_sas_sw_ug.pdf

Pre-downtime

• Create a mail server that only softbounces mail (probably on hephaestus)
  • Add this server as a MX record for our domain
• Send out downtime announcement
• vos_dump all mail volumes (just in case)
• Backup /etc
• mysql_dump mysql database

Downtime

• Start softbouncing mail
• Add disks
  • See if disk exists

megacli -PDList -a0

• • Plug in and initalize ( See 3.11.6 in manual)

megacli –PDClear -Start -PhysDrv[8:3,8:4,8:5] -a0

• • Make state "Unconfigured Good" (See 3.11.4 in manual)

megacli -PDMakeGood -PhysDrv[8:3,8:4,8:5] -a0

• Add disks to virtual disk and rebuild (See 3.10.7 in the manual)

megacli -LDRecon -Start -R5 -Add -PhysDrv[8:3,8:4,8:5] -ProgDsply -L0 -a0

• Re-partition
  • Simply create a new partition on the end
  • Obviously, do not alter existing partitions
  • We will probably have to reboot after this
• Create new pv on /dev/sda3 and add it to the volume group
• Set postfix to softbounce and restart it
• Stop dovecot, webmail, apache, mysql, amavis, spamassassin,
• Create a new var partition, resierfs (40gb?)
• Copy old var partition over
• Restart services
• Create vicepb partition (leave ~5gb left in VG)
• Make vicepb filesystem, add it to fileserver

Post-downtime

• Re-start mail services on hermes
• Remove softbounce server
• Test it