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Add Rucio QoS RSE Description and Instructions #277

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47 changes: 47 additions & 0 deletions docs/operator/qos_rse_config.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
---
id: qos_rse_config
title: QoS RSE Configuration
---

## QoS RSE Configuration

The following steps show how to configure an RSE to use the Rucio storage-managed QoS feature (with two classes, disk-buffer and tape). Rucio now supports a site's ability to set how long data lives on a tape or disk-buffer at the RSE level. Data is pinned with a value (in seconds) at the time of injection/creation/buffering allowing data site operators to better tune data persistence and movement.

### How to Configure an RSE for QoS

1. Set the following RSE attributes:

```bash
staging_required: True
maximum_pin_lifetime: 345600 (in seconds)
staging_buffer: {{value}} # this value can be the name of the RSE.
```

Upon executing `rucio-admin rse info <RSE>` command one should see something like the following in settings:

```bash
.
.
Attributes:
===========
maximum_pin_lifetime: 345600
staging_buffer: <RSE>
staging_required: True
.
.
```

2. Either values of `DISK` or `TAPE` are supported for the RSE setting `rse_type`. However workflows using PanDA job brokerage require this value to be `DISK`.

Upon executing `rucio-admin rse info <RSE>` command one should see something like the following in settings:

```bash
.
.
Settings:
=========
rse: <RSE>
rse_type: DISK
.
.
```
1 change: 1 addition & 0 deletions website/sidebars.json
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Expand Up @@ -63,6 +63,7 @@
"operator/did_meta",
"operator/policy_packages",
"operator/s3_rse_config",
"operator/qos_rse_config",
"operator/notifications",
{
"Executables": [
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