Skip to content
GitLab
Explore
Sign in
Primary navigation
Search or go to…
Project
cta
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Snippets
Build
Pipelines
Jobs
Pipeline schedules
Artifacts
Deploy
Releases
Package registry
Container registry
Harbor Registry
Model registry
Operate
Environments
Terraform modules
Monitor
Incidents
Analyze
Value stream analytics
Contributor analytics
CI/CD analytics
Repository analytics
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
Community forum
Contribute to GitLab
Provide feedback
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
dCache
cta
Commits
e232dc2e
Commit
e232dc2e
authored
8 years ago
by
Steven Murray
Browse files
Options
Downloads
Patches
Plain Diff
Applied corrections from Daniele
parent
fba72018
Branches
Branches containing commit
Tags
Tags containing commit
No related merge requests found
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
doc/CHEP2016/CHEP_2016_paper_CTA.pdf
+0
-0
0 additions, 0 deletions
doc/CHEP2016/CHEP_2016_paper_CTA.pdf
doc/CHEP2016/CHEP_2016_paper_CTA.tex
+3
-3
3 additions, 3 deletions
doc/CHEP2016/CHEP_2016_paper_CTA.tex
with
3 additions
and
3 deletions
doc/CHEP2016/CHEP_2016_paper_CTA.pdf
+
0
−
0
View file @
e232dc2e
No preview for this file type
This diff is collapsed.
Click to expand it.
doc/CHEP2016/CHEP_2016_paper_CTA.tex
+
3
−
3
View file @
e232dc2e
...
...
@@ -156,7 +156,7 @@ The following steps describe how a file is archived to tape:
\item
On the close of the file, the EOS workflow engine queues a request to
archive the file with the CTA front-end.
\item
The CTA front-end stores the archive request in the CTA metadata system.
\item
The file becomes eligible for archival. Either the file has
be
been
\item
The file becomes eligible for archival. Either the file has been
queued for the maximum permissible amount of time or there is enough data to
be transferred to warrant the cost of mounting a tape.
\item
A tape server connected to a free tape drive queries the CTA metadata
...
...
@@ -185,7 +185,7 @@ The following steps describe how a file is retrieved from tape.
the CTA front-end.
\item
The CTA front-end stores the retrieve request in the CTA metadata
system.
\item
The file becomes eligible for recall. Either the file has
be
been
\item
The file becomes eligible for recall. Either the file has been
queued for the maximum permissible amount of time or there is enough data to
be transferred to warrant the cost of mounting a tape.
\item
A tape server connected to a free tape drive queries the CTA metadata
...
...
@@ -384,7 +384,7 @@ disk storage, data transfer protocols and meta-data operations. CTA will focus
on providing efficient tape backend storage.
CTA will introduce pre-emptive drive scheduling which will automatically
schedule the background tasks of tape media repacking and data verification
schedule the background tasks of tape media repacking and data verification
.
This automatic scheduling will use the tape drives at full speed all of the time
and therefore enable CTA to cope with the 150 petabytes per year data rate of
LHC physics run 3.
...
...
This diff is collapsed.
Click to expand it.
Preview
0%
Loading
Try again
or
attach a new file
.
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Save comment
Cancel
Please
register
or
sign in
to comment