Nlv gw8
From CoolSolutionsWiki
Contents |
[edit]
summary of mentoring work done (completed Mid July 09)
- Assisted customer remotely in the pros/cons of design decisions.
- verified correct build checklists, including disk IO performance
- Drove the Primary Upgrade process and helped resolve bumps in the road.
- Drove the creation of a GW 8 Post Office to pilot users and work through issues before full deployment.
- Due to power outage, minor and major PO was running on RELOAD in DR mod. PSE went onsite to help migrate minor PO off RELOAD server onto a GW 8 server...to help with the overloaded RELOAD server, which was having performance issues. Helped resolve post migration "bumps in the road" issues.
- bumps in the road
- Reload not coping all msg and offiles to destination server!!! used rsync -avu to sync files to destination server
- IP MAC address war. Had to aggresively remove sysconfig/network/ifcfg-macADDR file and restart the network service on that server...w/o interupting the large PO.
- GW 8 HP1 didn't copy many ofview files. Got from GW 7 PO and pilot po's ofview files
- bumps in the road
- Ran out of "mentoring hours" after going onsite to assist in emergency migrate mid-sized PO off RELOAD to destination server.
- We found that moving 2-3 users at a time was problematic, and that bulk moving users (given emergency) worked well.
- We SUCCESSFULLY migrated the Primary and mid-sized Post Offices to GW 8 before running out of hours.
[edit]
key goals
- support customer in successfully upgrading GW 7.0.3 to GW 8 on Linux
- support means coaching/advising and helping make decisions on a plan (plan to be developed by customer and reviewed by support).Also, in the event of a problem related to project help customer resolve the issue.
- implement pre-upgrade best practices/recommendations
- keep costs down, by being flexible and primarily doing phone/remote control
- review from experienced support engineers to avoid known issues and common impact events
[edit]
phase 1 planning/deciding
- get approval and cost quote on 16 hours
- environment review (quickly) to aid in planning
- brainstorm major steps in upgrading/migrating
- get management commitment to get a manageable PO (expire/reduce with gw caching AND/or split PO)
- what the new system should look like
- hardware/software/config
- OES?
- stand alone? - yes if reload is enabled
- SAN - fiber?
- restore area server/gwava reload available in the event PO server crash?
- hardware/software/config
- build new system and new PO and GW move users to pilot VS copy all DBs and startup on Linux
[edit]
phase 2 building
- build server to discussed specs
- test IO
[edit]
phase 3 implement/pilot
[edit]
troubleshooting user moves
- http://www.novell.com/documentation/gw8/gw8_admin/?page=/documentation/gw8/gw8_admin/data/abps0an.html#aj6re00
- http://support.novell.com/techcenter/articles/anz20021101.html
[edit]
TASK LIST
- server build checklist!
- X NTP
- X static IP
- X validate disk IO
- gws3:/gw # time dd if=gw800.tar of=gw800san2san.tar
- 1040420+0 records in
- 1040420+0 records out
- 532695040 bytes (533 MB) copied, 2.92761 seconds, 182 MB/s
- X configure SAN storage
- X migrate MTA – split off paired/links to disk so the MTA can go on its own node. Upgrade primary to gw 8.
- WIP create GW 8 PO on linux – evaluate/test
- NEXT STEPS (July 7, 2009) read up on migrating gw 7 po to gw 8 on linux po
- test 5 users this week, then add 30 more users next week. Test gw7 and gw 8 clients. have the pilot eval go as long as you feel or your organization has proved in the past to flush out any significant issues.
- Read and understand: upgrading and verifying edir schema
- GroupWise migration utility - use it to migrate PO from NW to Linux
- OR manual way if fine too, but don't forget to run the stand alone gwcheck against the PO PRIOR TO UPGRADING/MIGRATING: storelowercase
- create another domain to serve as the primary Domain w/o any GW agents hanging off of it.
- NEXT STEPS (July 7, 2009) read up on migrating gw 7 po to gw 8 on linux po
- move the 400 users off IF the users move good. IF it goes well...move lots if it doesn't go well, bulk move with reload.
- Manual rolling migration from NW to linux. Do one PO at a time.
- secure NFS to only the reload server's ip address
[edit]
operations completed
- July 6: moved primary MTA to linux
- challenges
- needed to run the dbcopy -m for migrate to linux
- installed fine, but PO could NOT talk to new primary
- challenges
- July 7:created new GW 8 PO
- challenges
- US02MLS1.VEW missing from GW 8 view directory, found on gw 7 directory and copied to gw 8 po and fixed it.
- challenges
- July 7: started configuring reload, including nfs
[edit]
helpful commands/opps
- netstat -na | grep 1677
- rcgrpwise status
- rcgrpwise postoffice.domain stop or start
- ps aux | grep gwpoa
- ps aux | grep gwmta
- /opt/novell/groupwise/agents/bin/gwmta --show @ /opt/novell/groupwise/agents/share/city_nlv.mta
- rcgrpwise stop gwpo1.city_nlv
