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[[File:glight.png|right|thumb|alt="Growlight logo"|Grow, baby, grow]]
[[File:glight.png|right|thumb|alt="Growlight logo"|Grow, baby, grow]]
[http://www.sprezzatech.com/growlight.html Growlight] is a powerful open source tool for visualizing and managing persistent storage under Linux. It began life as Sprezzatech's system installation prep tool, designed for use with [http://www.sprezzatech.com/sprezzos.html SprezzOS]. Its use is described in the ''[https://www.sprezzatech.com/wiki/index.php/Installation#Preparing_the_target Installation]'' section of the SprezzOS Handbook.
Growlight is a powerful open source tool for visualizing and managing persistent storage under Linux, built atop [[Notcurses]]. It began life as Sprezzatech's system installation prep tool, designed for use with [http://www.sprezzatech.com/sprezzos.html SprezzOS], but is now aimed at more mainstream (and non-defunct) distributions.
* Code lives at [https://github.com/dankamongmen/growlight GitHub].
* Code lives at [https://github.com/dankamongmen/growlight GitHub].
* Downloads are available from [https://github.com/dankamongmen/growlight/releases GitHub].
* Downloads are available from [https://github.com/dankamongmen/growlight/releases GitHub].
**  The [https://aur.archlinux.org/packages/growlight/ AUR] has a package for [[Arch]].
* Growlight is present in [https://src.fedoraproject.org/rpms/growlight Fedora Core], [https://tracker.debian.org/pkg/growlight Debian], Alpine Edge, the AUR, and OpenSUSE.
**  The [https://www.dsscaw.com/apt.html DSSCAW] APT repository has a package for [[Debian]].
* There is a [https://groups.google.com/forum/#!forum/growlight-dev mailing list]. You can post by mailing [mailto:growlight-dev@googlegroups.com growlight-dev@googlegroups.com].
* There is a [https://groups.google.com/forum/#!forum/growlight-dev mailing list]. You can post by mailing [mailto:growlight-dev@googlegroups.com growlight-dev@googlegroups.com].
* Bugs are now being tracked via [https://github.com/dankamongmen/growlight/issues Github issues]
* Bugs are now being tracked via [https://github.com/dankamongmen/growlight/issues Github issues]
** The [https://www.sprezzatech.com/bugs/buglist.cgi?list_id=8&resolution=---&query_format=advanced&component=Growlight Growlight] component of the SprezzOS project can be found on [https://www.sprezzatech.com/bugs Sprezzabugs]. Some of these bugs have been migrated to Github.
 
==Debian installer==
My talk, "[https://debconf21.debconf.org/talks/3-proposing-a-new-d-i-disk-preparation-tool-growlight/ proposing a new d-i disk preparation tool]" at [https://debconf21.debconf.org/ debconf21] introduces the idea of using growlight within the mainstream Debian Installer.
 
==Some capabilities==
==Some capabilities==
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! Version
! Version
! Helpers
! Helpers
|-
| <tt>CDROM_TIMED_MEDIA_CHANGE</tt>
|
| Linux 5.16
|-
| EFIstub setup
|
| efibootmgr
|-
| [https://phoronix.com/scan.php?page=news_item&px=Linux-5.15-Disk-Seq-No BLKGETDISKSEQ]
|
| Linux 5.15
|-
| [https://systemd.io/DISCOVERABLE_PARTITIONS Discoverable partitions]
|
|
|-
| NVMe-ZNS recognition
|
| Linux 5.9
|-
|-
| exFAT support
| exFAT support
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==Resources==
==Resources==
Note that even using DMI 2.0, the standard 4x southbridge uplink can be supersaturated by four SATA3 devices.
Note that even using DMI 2.0, a 4x southbridge uplink can be supersaturated by four SATA3 devices.
{| class="wikitable" border="1"
{| class="wikitable" border="1"
! Interface
! Interface
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| 32
| 32
|-
|-
| DMI lane (almost always x4, sometimes x2)
| DMI lane
| 2.5 Gbps (312.5 MB/s)
| n/a
| 5
| 5
| 10
| 10
|-
|-
| DMI 2.0
| DMI 2.0 lane
| 5 Gbps (625 MB/s)
| n/a
| 10
| 10
| 20
| 20
|-
| DMI 3.0 lane
| n/a
| 20
| 40
|-
|-
|}
|}
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