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'''blktool''' - tune low-level block device parameters
'''blktool''' - Blockgeräteeinstellungen anzeigen oder ändern


tune low-level block device parameters
== Beschreibung ==
 
; Tunen der Low-Level-Blockgeräteparameter
blktool is used for querying and/or changing settings of a block
* blktool wird zum Abfragen und/oder Ändern der Einstellungen eines Blockgeräts verwendet
device.  It is like hdparm but a more general tool, as it works on
* Gerät ist der Name des Blockgeräts, das abgefragt oder geändert werden soll
SCSI, IDE and SATA devices.


This program is for those who know what they're doing and it should
blktool wird zum Abfragen und/oder Ändern der Einstellungen eines Blockgeräts verwendet
be used at your own risk as it could cause damage to your hardware.
* Es ähnelt hdparm, ist jedoch ein allgemeineres Tool, da es auf SCSI-, IDE- und SATA-Geräten funktioniert


== Dateien ==
; Warnung
/usr/sbin/blktool
<blockquote>
/usr/share/doc
Dieses Programm ist für diejenigen gedacht, die wissen, was sie tun, und es sollte auf eigene Gefahr verwendet werden, da es Ihre Hardware beschädigen könnte
  /usr/share/doc/blktool
</blockquote>
  /usr/share/doc/blktool/AUTHORS
 
  /usr/share/doc/blktool/NEWS.gz
== Installation ==
  /usr/share/doc/blktool/README
<syntaxhighlight lang="bash" highlight="1" line>
  /usr/share/doc/blktool/changelog.Debian.gz
sudo apt install blktool
  /usr/share/doc/blktool/copyright
</syntaxhighlight>
/usr/share/man
 
  /usr/share/man/man8
=== Dateien ===
  /usr/share/man/man8/blktool.8.gz
<syntaxhighlight lang="bash" highlight="1" line>
/usr/sbin/blktool
/usr/share/doc/blktool
/usr/share/doc/blktool/AUTHORS
/usr/share/doc/blktool/NEWS.gz
/usr/share/doc/blktool/README
/usr/share/doc/blktool/changelog.Debian.gz
/usr/share/doc/blktool/copyright
/usr/share/man/man8
/usr/share/man/man8/blktool.8.gz
</syntaxhighlight>
 
== Aufruf ==
<syntaxhighlight lang="bash" line>
blktool [options] device [COMMAND]
</syntaxhighlight>
 
=== Optionen ===
{| class="wikitable sortable options gnu"
|-
! Unix !! GNU !! Parameter !! Beschreibung
|-
| -f || || || For a few commands, blktool will flush the buffers of the block device out to disk, before performing the requested command
* Specify this option, "force", disables any flushing blktool would attempt to do
|-
| -t || || class || where class is one of 'ide', 'ata', 'scsi', 'i2o', or 'auto' to override the default auto-detection of device class
|-
|}
 
=== Argumente ===
=== Umgebungsvariablen ===
=== Exit-Status ===
 
== Anwendung ==
<syntaxhighlight lang="bash" line>
blktool [options] device [acoustic-mgmt nnn]
blktool [options] device [block-sz nnn]
blktool [options] device [bus-id]
blktool [options] device [bus-state nnn]
blktool [options] device [class]
blktool [options] device [cd-speed nnn]
blktool [options] device [defect-mgmt off|on]
blktool [options] device [dev-keep-settings off|on]
blktool [options] device [dev-read-ahead off|on]
blktool [options] device [dma off|on]
blktool [options] device [geometry]
blktool [options] device [i2o-rcache nnn]
blktool [options] device [i2o-wcache nnn]
blktool [options] device [id]
blktool [options] device [keep-settings off|on]
blktool [options] device [media unlock|lock]
blktool [options] device [multiple-count nnn]
blktool [options] device [no-write-err off|on]
blktool [options] device [pio-data 16-bit|32-bit]
blktool [options] device [pio-mode nnn]
blktool [options] device [pm-mode nnn]
blktool [options] device [queue-depth nnn]
blktool [options] device [read-ahead nnn]
blktool [options] device [readonly off|on]
blktool [options] device [reread-part]
blktool [options] device [reset]
blktool [options] device [sector-sz]
blktool [options] device [sleep]
blktool [options] device [standby]
blktool [options] device [unmask-irq off|on]
blktool [options] device [version]
blktool [options] [version]
blktool [options] device [wcache off|on]
</syntaxhighlight>
 
{| class="wikitable"
|-
! Befehl !! Beschreibung
|-
| acoustic-mgmt || Query or set underlying device's acoustic level
|-
| block-sz || Query or set device block size
|-
| bus-id Query device bus id
|-
| bus-state || Query or set device bus state (0 off, 1 on, 2 tristate)
|-
| class Query the detected (or overridden, via -t) device class
* Typically this will result in 'ATA' or 'SCSI' for most devices
* Detection is based on device major; thus your SATA device may ap‐ pear as 'SCSI'
|-
| cd-speed || Set CD-ROM device speed (in Kbytes/sec)
|-
| defect-mgmt || Toggle underlying device's defect management (obsolete)
|-
| dev-keep-settings || Toggle underlying device's revert-to-defaults-on-reset feature
|-
| dev-read-ahead || Toggle underlying device's read-ahead feature
|-
| dma Toggle DMA data transfer
* Omitting the on/off argument will print the current state
|-
| geometry || Query device geometry (cylinders / heads / sectors / etc.)
|-
| i2o-rcache || Query or set an I2O block device's read cache
|-
| i2o-wcache || Query or set an I2O block device's write cache
|-
| id Query IDENTIFY [PACKET] DEVICE data
|-
| keep-settings || Keep settings across device resets
* Omitting the on/off argument will print the current state
|-
| media Lock in (or unlock) a removable device
|-
| multiple-count || Set multiple count for use in READ/WRITE MULTIPLE commands
|-
| no-write-err || Toggle ignore-write-errors flag
* Omitting the on/off argument will print the current state
|-
| pio-data || ATA PIO data transfer via 16-bit or 32-bit I/O
* Omitting the on/off argument will print the current state
|-
| pio-mode || Set underlying ATA device's PIO data transfer mode
|-
| pm-mode || Set underlying device's Advanced Power Management mode
|-
| queued-depth || Query or set underlying device's queue depth
|-
| read-ahead || Query or set block device read-ahead (in units of sectors)
|-
| readonly || Toggle block device read-only setting
* Omitting the on/off argument will print the current state
|-
| reread-part || Re-read partition table
|-
| reset Execute device reset
|-
| sector-sz || Query device sector size
|-
| sleep Put device to sleep immediately
|-
| standby || Put device in standby mode
|-
| unmask-irq || Toggle unmasked irqs
* Omitting the on/off argument will print the current state
|-
| version || Print version number and exit
|-
| wcache Toggle underlying device's writeback cache
|-
|}
 
=== Problembehebung ===
 
== Konfiguration ==
=== Dateien ===
<noinclude>
== Anhang ==
=== Siehe auch ===
{{Special:PrefixIndex/{{BASEPAGENAME}}}}
==== Dokumentation ====
 
===== Man-Page =====
# BLKTOOL(8)
 
===== Info-Pages =====
==== Links ====
===== Projekt =====
===== Weblinks =====
# blktool is available over the Web on the SourceForge site at http://sourceforge.net/projects/gkernel/
 
{{DEFAULTSORT:blktool}}
{{DISPLAYTITLE:blktool}}
 
[[Kategorie:Linux/Storage]]
[[Kategorie:Linux/Befehl]]
 
</noinclude>

Aktuelle Version vom 1. Januar 2025, 16:58 Uhr

blktool - Blockgeräteeinstellungen anzeigen oder ändern

Beschreibung

Tunen der Low-Level-Blockgeräteparameter
  • blktool wird zum Abfragen und/oder Ändern der Einstellungen eines Blockgeräts verwendet
  • Gerät ist der Name des Blockgeräts, das abgefragt oder geändert werden soll

blktool wird zum Abfragen und/oder Ändern der Einstellungen eines Blockgeräts verwendet

  • Es ähnelt hdparm, ist jedoch ein allgemeineres Tool, da es auf SCSI-, IDE- und SATA-Geräten funktioniert
Warnung

Dieses Programm ist für diejenigen gedacht, die wissen, was sie tun, und es sollte auf eigene Gefahr verwendet werden, da es Ihre Hardware beschädigen könnte

Installation

sudo apt install blktool

Dateien

/usr/sbin/blktool
/usr/share/doc/blktool
/usr/share/doc/blktool/AUTHORS
/usr/share/doc/blktool/NEWS.gz
/usr/share/doc/blktool/README
/usr/share/doc/blktool/changelog.Debian.gz
/usr/share/doc/blktool/copyright
/usr/share/man/man8
/usr/share/man/man8/blktool.8.gz

Aufruf

blktool [options] device [COMMAND]

Optionen

Unix GNU Parameter Beschreibung
-f For a few commands, blktool will flush the buffers of the block device out to disk, before performing the requested command
  • Specify this option, "force", disables any flushing blktool would attempt to do
-t class where class is one of 'ide', 'ata', 'scsi', 'i2o', or 'auto' to override the default auto-detection of device class

Argumente

Umgebungsvariablen

Exit-Status

Anwendung

blktool [options] device [acoustic-mgmt nnn]
blktool [options] device [block-sz nnn]
blktool [options] device [bus-id]
blktool [options] device [bus-state nnn]
blktool [options] device [class]
blktool [options] device [cd-speed nnn]
blktool [options] device [defect-mgmt off|on]
blktool [options] device [dev-keep-settings off|on]
blktool [options] device [dev-read-ahead off|on]
blktool [options] device [dma off|on]
blktool [options] device [geometry]
blktool [options] device [i2o-rcache nnn]
blktool [options] device [i2o-wcache nnn]
blktool [options] device [id]
blktool [options] device [keep-settings off|on]
blktool [options] device [media unlock|lock]
blktool [options] device [multiple-count nnn]
blktool [options] device [no-write-err off|on]
blktool [options] device [pio-data 16-bit|32-bit]
blktool [options] device [pio-mode nnn]
blktool [options] device [pm-mode nnn]
blktool [options] device [queue-depth nnn]
blktool [options] device [read-ahead nnn]
blktool [options] device [readonly off|on]
blktool [options] device [reread-part]
blktool [options] device [reset]
blktool [options] device [sector-sz]
blktool [options] device [sleep]
blktool [options] device [standby]
blktool [options] device [unmask-irq off|on]
blktool [options] device [version]
blktool [options] [version]
blktool [options] device [wcache off|on]
Befehl Beschreibung
acoustic-mgmt Query or set underlying device's acoustic level
block-sz Query or set device block size
bus-id Query device bus id
bus-state Query or set device bus state (0 off, 1 on, 2 tristate)
class Query the detected (or overridden, via -t) device class
  • Typically this will result in 'ATA' or 'SCSI' for most devices
  • Detection is based on device major; thus your SATA device may ap‐ pear as 'SCSI'
cd-speed Set CD-ROM device speed (in Kbytes/sec)
defect-mgmt Toggle underlying device's defect management (obsolete)
dev-keep-settings Toggle underlying device's revert-to-defaults-on-reset feature
dev-read-ahead Toggle underlying device's read-ahead feature
dma Toggle DMA data transfer
  • Omitting the on/off argument will print the current state
geometry Query device geometry (cylinders / heads / sectors / etc.)
i2o-rcache Query or set an I2O block device's read cache
i2o-wcache Query or set an I2O block device's write cache
id Query IDENTIFY [PACKET] DEVICE data
keep-settings Keep settings across device resets
  • Omitting the on/off argument will print the current state
media Lock in (or unlock) a removable device
multiple-count Set multiple count for use in READ/WRITE MULTIPLE commands
no-write-err Toggle ignore-write-errors flag
  • Omitting the on/off argument will print the current state
pio-data ATA PIO data transfer via 16-bit or 32-bit I/O
  • Omitting the on/off argument will print the current state
pio-mode Set underlying ATA device's PIO data transfer mode
pm-mode Set underlying device's Advanced Power Management mode
queued-depth Query or set underlying device's queue depth
read-ahead Query or set block device read-ahead (in units of sectors)
readonly Toggle block device read-only setting
  • Omitting the on/off argument will print the current state
reread-part Re-read partition table
reset Execute device reset
sector-sz Query device sector size
sleep Put device to sleep immediately
standby Put device in standby mode
unmask-irq Toggle unmasked irqs
  • Omitting the on/off argument will print the current state
version Print version number and exit
wcache Toggle underlying device's writeback cache

Problembehebung

Konfiguration

Dateien

Anhang

Siehe auch

Dokumentation

Man-Page
  1. BLKTOOL(8)
Info-Pages

Links

Projekt
Weblinks
  1. blktool is available over the Web on the SourceForge site at http://sourceforge.net/projects/gkernel/


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