Last modified 4 years ago
Space Reservation in Detail
More details.
Overview
When does Explicit Space Reservation happen ?
- SRM 2.2 transfers, specifying a space token.
- SRM 2.2 transfers, where the destination directory holds a Token Tag.
- SRM 1.1 transfers, where the destination directory holds a Token Tag.
Implicit Space Reservation if (srmImplicitSpaceManagerEnabled=yes)
- SRM 1.1 & 2.2 Access Latency and Retention Policy taken from
- Commmand Line
- Directory Tag
- Global Defaults in config/dCacheSetup file.
Implicit Space Reservation if (SpaceManagerReserveSpaceForNonSRMTransfers=true)
- gsiFtp Access Latency and Retention Policy taken from
- Directory Tag
- Global Defaults in config/dCacheSetup file.
NO Space Reservation
- (gsi)dCap, xroot
Details
Implicit/Explicit? Space Reservation for SRM transfers
| Implicit Space Reservation | ||
|---|---|---|
| OFF | ON | |
| SRM 2.2 | ||
| Token in SRM command | uses specified token | |
| AL/RP in SRM command | Uses a Link, not member of any Link Group | Uses LG, matching AL/RP for implicit reservation |
| SRM 1.1 & 2.2 | ||
| Token as a tag in destination directory | Uses this token for Explicit Reservation | |
| AL/RP as tags in destination directory | Uses a Link, not member of any Link Group | Uses LG matching specified AL/RP for Implicit Reservation |
| Nothing specified, no directory tags | Uses a Link, not member of any Link Group | Uses LG matching specified AL/RP in dCacheSetup for Implicit Reservation |
Implicit/Explicit? Space Reservation for NON SRM transfers
| Implicit Space Reservation For Non SRM Transfers | ||
|---|---|---|
| OFF | ON | |
| gsiFtp | ||
| Token as a tag in destination directory | Uses this token for Explicit Reservation | |
| AL/RP as tags in destination directory | Uses a Link, not member of any Link Group | Uses LG matching specified AL/RP for Implicit Reservation |
| Nothing specified, no directory tags | Uses a Link, not member of any Link Group | Uses LG matching specified AL/RP in dCacheSetup for Implicit Reservation |
| dCap, gsiDcap, xRoot | ||
| Token as a tag in destination directory | Uses this token for Explicit Reservation | |
| Unconditional | Uses a Link, not member of any Link Group | |
Last modified by patrick @ Wed May 23 18:35:04 2012
