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Merge branch 'master' of https://github.com/opensciencegrid/StashCache into add_writeback
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docs/admin/install.md

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As with all OSG software installations, there are some one-time steps to prepare in advance:
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* Ensure the host has [a supported operating system](https://opensciencegrid.github.io/docs/release/supported_platforms/)
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* Ensure the host has [a supported operating system](https://opensciencegrid.org/docs/release/supported_platforms/)
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* Obtain root access to the host
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* Prepare [the required Yum repositories](http://opensciencegrid.github.io/docs/common/yum/)
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* Install [CA certificates](https://opensciencegrid.github.io/docs/common/ca/)
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* Prepare [the required Yum repositories](http://opensciencegrid.org/docs/common/yum/)
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* Install [CA certificates](https://opensciencegrid.org/docs/common/ca/)
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## Installing the StashCache metapackage
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docs/ops/redirector.md

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#Production Redirector DNS alias
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all.manager redirector.osgstorage.org+ 1213
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#ITB Redirector DNS alias
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#all.manager stash-itb.grid.iu.edu+ 1213
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#all.manager stash-itb.osgstorage.org+ 1213
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For the RSV test purpose make sure the testing file is present on the file system:
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/stash/user/test.1M
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#Production Redirector DNS alias
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all.manager meta all redirector.osgstorage.org+ 1213
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all.sitename GOC-StashCache-Redirector
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all.sitename OSG-StashCache-Redirector
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#ITB Redirector DNS alias
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#all.manager meta all stash-itb.grid.iu.edu+ 1213
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#all.sitename GOC-StashCache-ITB-Redirector
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#all.manager meta all stash-itb.osgstorage.org+ 1213
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#all.sitename OSG-StashCache-ITB-Redirector
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# XRootD Stats - sends UDP packets
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xrd.report uct2-collectd.mwt2.org:9931
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xrootd.monitor all auth flush 30s window 5s fstat 60 lfn ops xfr 5 dest redir fstat info user uct2-collectd.mwt2.org:9930
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## Test if Origins subscribe to redirector
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There is command `xrdmapc` in the xrootd-server packages that you can use to check what Origins subscribe to your redirector:
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```
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$ xrdmapc --list all redirector.osgstorage.org:1094
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0**** redirector.grid.iu.edu:1094
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Srv redirector1.grid.iu.edu:2094
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Srv csiu.grid.iu.edu:1094
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Srv redirector2.grid.iu.edu:2094
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$ xrdmapc --list all redirector.osgstorage.org:1094
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0**** hcc-osg-redirector1.unl.edu:1094
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Srv origin.ligo.caltech.edu:1094
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Srv stashcache.fnal.gov:1094
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Srv ceph-gridftp1.grid.uchicago.edu:1094
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Srv stash.osgconnect.net:1094
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Srv csiu.grid.iu.edu:1094
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```
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## Useful Project Links

docs/ops/upgrades.md

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# OSG StashCache Upgrade Status
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This page is used to track the status of hardware and software used for the StashCache service within the OSG community. Please update your status when you complete an upgrade. Currently monitored StashCache resources (Origins, Caches, Redirectors) are included in the [RSV tests](http://myosg.grid.iu.edu/rgstatushistory/index?downtime_attrs_showpast=&account_type=cumulative_hours&ce_account_type=gip_vo&se_account_type=vo_transfer_volume&bdiitree_type=total_jobs&bdii_object=service&bdii_server=is-osg&start_type=7daysago&start_date=09%2F20%2F2016&end_type=now&end_date=09%2F20%2F2016&rg=on&rg_sel%5B%5D=433&rg_sel%5B%5D=454&rg_sel%5B%5D=430&active=on&active_value=1&disable_value=1).
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This page is used to track the status of hardware and software used for the StashCache service within the OSG community. Please update your status when you complete an upgrade. Currently monitored StashCache resources (Origins, Caches, Redirectors) are included in the [RSV tests](http://my.opensciencegrid.org/rgstatushistory/index?downtime_attrs_showpast=&account_type=cumulative_hours&ce_account_type=gip_vo&se_account_type=vo_transfer_volume&bdiitree_type=total_jobs&bdii_object=service&bdii_server=is-osg&start_type=7daysago&start_date=09%2F20%2F2016&end_type=now&end_date=09%2F20%2F2016&rg=on&rg_sel%5B%5D=433&rg_sel%5B%5D=454&rg_sel%5B%5D=430&active=on&active_value=1&disable_value=1).
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## 2018 Table of Caches
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| **Hosting site** | **Hostname** | **XRootD version** | **OS** | **CPU** | **RAM** | **Disk (cache) space** | **Disk configuration** | **Connectivity** | **Notes** | **Last update** |
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|------------------|--------------|--------------------|--------|---------|---------|------------------------|------------------------|------------------|-----------|-----------------|
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| Syracuse | its-condor-xrootd1.syr.edu | xrootd-4.8.2-0.1.rc1.osg34.el7.x86_64 | CentOS 7.2.1511 | Intel(R) Xeon(R) CPU E7-8890 v4 @ 2.20GHz (8 cores) | 65GB | 16TB | | 10Gbps | | 05-01-2018 |
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| BNL | osgxroot.usatlas.bnl.gov | | | | | | | | | |
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| FZU | stash.farm.particle.cz | 4.8.0-1.osg34 | CentOS 7.4.1708 | 2x Xeon(R) E5-2630 v4 @2.20GHz | 128GB | 30TB | 5x8TB, RAID-Z1, ZFS, 1TB NVMe Cache | 10Gbps | Container | 2-2-2018 |
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| Nebraska | hcc-stash.unl.edu | 4.8.2-1.osg34 | CentOS 7.4.1708 | 2x (8 core) Intel(R) Xeon(R) Gold 6134 CPU @ 3.20GHz | 394GB | ~1.5TB | NVMe | 40Gbps | | 05-01-2018 |
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| UChicago | stashcache.grid.uchicago.edu | 4.7.1-1 | SL 7.3 | 2x Xeon(R) E5440 @2.83GHz | 32GB | 60TB | 5x 12TB arrays, RAID6, XFS, bound with oss.space | 2x10Gbps | Old dCache node, probably not optimally tuned for XRootD | 11-07-2017 |
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| UIllinois | mwt2-stashcache.campuscluster.illinois.edu | 4.6.1-0.2.rc3.osg33 | | VM 4CPUS | 16GB | 100TB | GPFS on DDN via FDR IB | 10Gbps | | 04-28-2017 |
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| UCSD | xrd-cache-1.t2.ucsd.edu | xrootd-4.8.2-1.osg34 | CentOS 6.8 | 2x Xeon(R) E5-2650 v3 @2.30GHz w/HT (40 cores total) | 128GB | 21.8TB | 6x 3.6TB, XFS, individual disks bound with oss.space | 10Gbps | The same machine runs hdfs-healing xrootd cache on another set of 6 independent disks. We can move more disks to StashCache if needed. | 10-28-2016 |
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## 2017 Table of Caches
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| UChicago | stashcache.grid.uchicago.edu | 4.7.1-1 | SL 7.3 | 2x Xeon(R) E5440 @2.83GHz | 32GB | 60TB | 5x 12TB arrays, RAID6, XFS, bound with oss.space | 2x10Gbps | Old dCache node, probably not optimally tuned for XRootD | 11-07-2017 |
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| UIllinois | mwt2-stashcache.campuscluster.illinois.edu | 4.6.1-0.2.rc3.osg33 | | VM 4CPUS | 16GB | 100TB | GPFS on DDN via FDR IB | 10Gbps | | 04-28-2017 |
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| UCSD | xrd-cache-1.t2.ucsd.edu | 4.5.0-0.5.beta | CentOS 6.8 | 2x Xeon(R) E5-2650 v3 @2.30GHz w/HT (40 cores total) | 128GB | 21.8TB | 6x 3.6TB, XFS, individual disks bound with oss.space | 10Gbps | The same machine runs hdfs-healing xrootd cache on another set of 6 independent disks. We can move more disks to StashCache if needed. | 10-28-2016 |
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### 2017 Milestones
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* deploy IPv4 and IPv6 enabled XRootD caches
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...
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## 2016 Table of Caches
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...in order to keep history will add later from [twiki](https://twiki.grid.iu.edu/bin/view/Documentation/Release3/StashCacheUpgrades)

mkdocs.yml

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site_name: StashCache Documentation
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site_url: https://opensciencegrid.github.io/stashcache
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site_url: https://opensciencegrid.org/stashcache
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repo_url: https://github.com/opensciencegrid/stashcache
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theme: readthedocs
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