X-Git-Url: http://git.openafs.org/?p=openafs-wiki.git;a=blobdiff_plain;f=DemandAttach.mdwn;h=630d92cad9878561b6dd2157941b1381dd9577ff;hp=ac9c7e4cb8a6cbf2c4955835a6eb778a0da10144;hb=f5a0813850f000d61daebe772b995c2604325f34;hpb=bc411d59e4c4872b9d4a97b3cfe7ccccbfd0c7c6 diff --git a/DemandAttach.mdwn b/DemandAttach.mdwn index ac9c7e4..630d92c 100644 --- a/DemandAttach.mdwn +++ b/DemandAttach.mdwn @@ -55,11 +55,11 @@ Demand-attach necessitated a significant re-design of certain aspects of the AFS The changes implemented for demand-attach include: -- [[volume finite-state automata|AFSLore/DemandAttach#Volume_Finite_State_Automata]] +- [[volume finite-state automata|DemandAttach#Volume_Finite_State_Automata]] - volumes are attached on demand - volume _garbage collector_ to detach unused volumes - notion of volume state means read-only volumes aren't salvaged -- [[vnode finite-state automata|AFSLore/DemandAttach#Vnode_Finite_State_Automata]] +- [[vnode finite-state automata|DemandAttach#Vnode_Finite_State_Automata]] - global lock is only held when required and never held across high-latency operations - automatic salvaging of volumes - shutdown is done in parallel (maximum number of threads utilized) @@ -119,7 +119,7 @@ The table below compares the start-up sequence for a traditional file-server and -The [[host / callback state|AFSLore/DemandAttach#FSStateDat]] is covered later. The _pre-attached_ state indicates that the file-server has read the volume headers and is aware that the volume exists, but that it has not been attached (and hence is not on-line). +The [[host / callback state|DemandAttach#FSStateDat]] is covered later. The _pre-attached_ state indicates that the file-server has read the volume headers and is aware that the volume exists, but that it has not been attached (and hence is not on-line). The shutdown sequence for both file-server types is: @@ -150,7 +150,7 @@ On a traditional file-server, volumes are off-lined (detached) serially. In dema ### Volume Finite-State Automata -The volume finite-state automata is available in the source tree under `doc/arch/dafs-fsa.dot`. See [[=fssync-debug=|AFSLore/DemandAttach#fssync_debug]] for information on debugging the volume package. +The volume finite-state automata is available in the source tree under `doc/arch/dafs-fsa.dot`. See [[=fssync-debug=|DemandAttach#fssync_debug]] for information on debugging the volume package. @@ -175,15 +175,15 @@ VLRU works in a manner similar to a generational garbage collector. There are fi