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SmartSite's Storage Solution Requirements
See Jira: Sak-1978, sak-868
- High availability, 24/7 service no downtime if at all possible
- Disaster recovery, replication to secondary site
- Optimized for fast read/write access
- WebDAV
- Needs to handle large amounts of files that greatly vary in size
- handles distributed access
- Archiving solution (snapshot feature)
- Backup solution
- Flexible file structure
- Compatible with JSR 170
- DC goal is to get off of afs for r/w volumes
- migration strategy from AFS to SAN - possibly using symlinks on app servers
- need to be in a place to move off of AFS if we have a crisis
- continuous rsync needed
- some sort of sync match with the database
Three uses of afs for smartsite
- software distribution
- communication to My and Registrar
- sakai content store with r/w locking mechanisms
Needed pieces
- san switch must have hba ports for each of app servers
- hba switches for each of app servers
- alternate is iscusi as link into SAN - scusi over IP