---
name: "writeboost"
section: "8"
platform: "linux"
package: "writeboost"
version: "1.20170616-1.3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/writeboost"
---

# writeboost(8)

create dm-writeboost device-mapper mappings

## NAME

writeboost - create dm-writeboost device-mapper mappings

## SYNOPSYS

writeboost \[ **-u** \] \[ **device** \]

## DESCRIPTION

writeboost is a utility to create dm-writeboost device-mapper mappings as per definitions in the "/etc/writeboosttab" file.

## OPTIONS

- **device**

  Act on given device from the first field of the */etc/writeboosttab* file. When not given writeboost acts on all devices listed in */etc/writeboosttab*.

- **-h**, **--help**

  Show usage and options.

- **-u**

  Un-map all mappings (or un-map only given **device**).

## SEE ALSO

[*writeboosttab*(5)](/writeboosttab/5.md)

## DM-WRITEBOOST

dm-writeboost is a software using log-structured caching to accelerate block IO. dm-writeboost is written by Akira Hayakawa \<ruby.wktk@gmail.com\> and implemented as loadable module for Linux.

See more at https://github.com/akiradeveloper/dm-writeboost

## AVAILABILITY

```
 https://gitlab.com/onlyjob/writeboost
```

## VERSION

```
 1.20160718
```

## DONATIONS

```
 Donations are much appreciated, please consider donating:
   Bitcoins : 15nCM6Rs4zoQKhBV55XxcPfwPKeAEHPbAn
  Litecoins : LZMLDNSfy3refx7bKQtEvPyYSbNHsfzLRZ
 AUD/PayPal : https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=onlyjob%40gmail%2ecom&lc=AU&currency_code=AUD
```

## AUTHOR

```
 Dmitry Smirnov <onlyjob@member.fsf.org>
```

## COPYRIGHT

```
 Copyright 2015-2017 Libre Solutions Pty Ltd (http://raid6.com.au)
```

## LICENSE

```
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 2 of the License, or
 (at your option) any later version.
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program. If not, see <http://www.gnu.org/licenses/>.
```