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lsblk lists a device, then says “not a device”
The Next CEO of Stack Overflowrgmanager [fs] start_filesystem: Could not match “f6a58cf7-b39b-489c-add5-444ceab8af9d” with a real deviceInstalling a bootloader on a macWhat might cause a block device to somehow be smaller than its partitions?Mapping of usb device changes afer rtcwakeuplsblk doesn't show anything about root file systemMake lsblk list devices by-idUSB attached SATA - partitions table not being read at bootBroken links in /dev/disk/by-pathlsblk - what are the possible values for the column “state”Extend /dev/sdb3 partition
I'm seeing somewhat odd behaviour:
% lsblk | grep sdb
sdb 8:16 1 114.6G 0 disk
└─sdb1 8:17 1 114.6G 0 part /run/media/ravi/CC49-1FC8
% lsblk /dev/sdb
lsblk: /dev/sdb: not a block device
The device is a newly ordered Sandisk dual USB-C 128GB that I'm running f3write on to check if it is a fake or not.
Why would lsblk contradict itself like this?
Are there different measures as to what is a block device?
linux block-device lsblk
asked yesterday
Tom HaleTom Hale
7,420342103
add a comment |
I'm seeing somewhat odd behaviour:
% lsblk | grep sdb
sdb 8:16 1 114.6G 0 disk
└─sdb1 8:17 1 114.6G 0 part /run/media/ravi/CC49-1FC8
% lsblk /dev/sdb
lsblk: /dev/sdb: not a block device
The device is a newly ordered Sandisk dual USB-C 128GB that I'm running f3write on to check if it is a fake or not.
Why would lsblk contradict itself like this?
Are there different measures as to what is a block device?
linux block-device lsblk
asked yesterday
Tom HaleTom Hale
7,420342103
add a comment |
I'm seeing somewhat odd behaviour:
% lsblk | grep sdb
sdb 8:16 1 114.6G 0 disk
└─sdb1 8:17 1 114.6G 0 part /run/media/ravi/CC49-1FC8
% lsblk /dev/sdb
lsblk: /dev/sdb: not a block device
The device is a newly ordered Sandisk dual USB-C 128GB that I'm running f3write on to check if it is a fake or not.
Why would lsblk contradict itself like this?
Are there different measures as to what is a block device?
linux block-device lsblk
asked yesterday
Tom HaleTom Hale
7,420342103
I'm seeing somewhat odd behaviour:
% lsblk | grep sdb
sdb 8:16 1 114.6G 0 disk
└─sdb1 8:17 1 114.6G 0 part /run/media/ravi/CC49-1FC8
% lsblk /dev/sdb
lsblk: /dev/sdb: not a block device
The device is a newly ordered Sandisk dual USB-C 128GB that I'm running f3write on to check if it is a fake or not.
Why would lsblk contradict itself like this?
Are there different measures as to what is a block device?
linux block-device lsblk
linux block-device lsblk
asked yesterday
Tom HaleTom Hale
7,420342103
asked yesterday
Tom HaleTom Hale
7,420342103
asked yesterday
Tom HaleTom Hale
7,420342103
asked yesterday
Tom HaleTom Hale
7,420342103
asked yesterday
Tom HaleTom Hale
7,420342103
7,420342103
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
lsblk on its own will scan for devices in sysfs. Many linux distributions have a hotplug handler (udev) that automagically makes corresponding nodes in /dev when block devices appear, and removes them when the devices disappear.
Either your system doesn't have such hotplug handler, or more likely there is one, but it fails to handle the hotplugging event, so you have ended up without the corresponding /dev node. For the latter, perhaps the system log file(s) have some indication about that failure.
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
add a comment |
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1 Answer
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
lsblk on its own will scan for devices in sysfs. Many linux distributions have a hotplug handler (udev) that automagically makes corresponding nodes in /dev when block devices appear, and removes them when the devices disappear.
Either your system doesn't have such hotplug handler, or more likely there is one, but it fails to handle the hotplugging event, so you have ended up without the corresponding /dev node. For the latter, perhaps the system log file(s) have some indication about that failure.
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
add a comment |
lsblk on its own will scan for devices in sysfs. Many linux distributions have a hotplug handler (udev) that automagically makes corresponding nodes in /dev when block devices appear, and removes them when the devices disappear.
Either your system doesn't have such hotplug handler, or more likely there is one, but it fails to handle the hotplugging event, so you have ended up without the corresponding /dev node. For the latter, perhaps the system log file(s) have some indication about that failure.
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
add a comment |
lsblk on its own will scan for devices in sysfs. Many linux distributions have a hotplug handler (udev) that automagically makes corresponding nodes in /dev when block devices appear, and removes them when the devices disappear.
Either your system doesn't have such hotplug handler, or more likely there is one, but it fails to handle the hotplugging event, so you have ended up without the corresponding /dev node. For the latter, perhaps the system log file(s) have some indication about that failure.
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
lsblk on its own will scan for devices in sysfs. Many linux distributions have a hotplug handler (udev) that automagically makes corresponding nodes in /dev when block devices appear, and removes them when the devices disappear.
Either your system doesn't have such hotplug handler, or more likely there is one, but it fails to handle the hotplugging event, so you have ended up without the corresponding /dev node. For the latter, perhaps the system log file(s) have some indication about that failure.
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
answered yesterday
Ralph RönnquistRalph Rönnquist
2,69759
2,69759
add a comment |
add a comment |
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