Outage 15-18 Feb¶

We need to now have a discussion regarding the outage next weekend in addition to our discussion on the outage over christmas. I think everyone is free 16.00-17.00 today. For RAL locals we can use CR05 (next to the visitor centre). For those outside RAL, please use the regular phone line,

• UK: 0844 4 73 73 73
• Switzerland: 0848 560 347
• US: 1 415 363 0833 (or 1 646 652 0772)
• Italy: 0821 230 749
• Others listed below
• Skype +49 1803 001 178

PIN: 746868 (PIMUNU)

Affected Services¶

• epics gateway
• elog
• mousehole
• micewww .pp.rl.ac.uk
• configuration database slave
• MAUS test servers

Service Requirement¶

Services required during this period:

	15	16	17	18
EPICS Gateway	High	Low	Low	High
elog	High	High	High	High
mousehole	Med	Low	Low	Med
micewww	Med	High	Low	Med
redmine	Med	High	Low	Med
configDB slave	Med	Low	Low	Med
test servers	Low	Low	Low	Low
micehall cams	Low	Low	Low	Low

Service Plans¶

• EPICS Gateway
  • AFC crew have been warned that EPICS gateway may not be available on Monday 18th (Chris Rogers).
• Elog (Ian Taylor/Pierrick Hanlet)
  • Elog will be mirrored in US
  • Plan for pushing data back to RAL? How do we keep them in-phase?
• mousehole
  • Mousehole will be unavailable
  • Users should seek to get account through RAL bastion?
• ConfigDB slave
  • ConfigDB will be unavailable
• test servers will be unavailable
• micehall cams will be unavailable
• micewww and redmine
  • Propose to move onto mirrored pair
  • What is required to effect the move
  • Plan and schedule

Plan for micewww¶

Outline plan for move:

1. Confiure heplnv15?.pp.rl.ac.uk with 50GB of VHD space
2. Allocate space on heplnv15? as:

Path	Current Size (Used)	Current Location	Proposed Size
/var/lib/pgsql	892MB	heplnm069	2GB
/readmine_repos	746MB	heplnv152	2GB
/usr/local/elog	376MB	heplnv152	2GB
/readmine	12GB	heplnm069	25GB
/www	8.9GB	heplnm069	20GB

1. Set up requited aliases in /etc/hosts
2. Copy data from heplns152 and heplnm069
3. Dump DB from heplnm069 and import on heplnv15?
4. Copy apache config from heplnv152 to heplnv15?
5. Start apache on heplnv15?
   • No firewall holes from heplnv15? to heplnm069 or the rest of the cluster
6. Local tests by overriding miewww name in client hosts files
7. Open inbound firewall holes to heplnv15? (80 and 443, others?)
8. Available for external users to test
9. Revert DB?
10. move micewww alias to heplnv15?:
    • Stop redamine DB on heplnm069
    • Close NFS Exports on heplnm069
    • Stop readmine and elog on heplnv152

Temporary Network Connection:

1. Designate port on 172.16.??.??? stack for temporary uplink
2. Designate port on Router A for temp link
3. Disable port on Router A
4. Connect fibre and configure ports
5. Lunchtime on Friday 15th, disconnect the main uplink to Stack, enable the temporary link