Blog
Projects
About
Backtrack:
Blog
›
Rescan SCSI bus on linux
Comments
Rescan SCSI bus on linux
posted on September 18th 2019, at 12:02
by
lunarg
When adding a new disk to a live system (e.g. a linux VM), the new disk may not always show up. Additionally, when resizing a disk through the hypervisor, the VM may not always immediately have the new size available for use. Luckily, you can trigger a rescan of the SCSI bus through the sysfs system.
For this to work, you'll need to have shell and root access to the server/VM.
Modern linux kernels automatically detect the addition of a disk, but in case it doesn't, you can trigger a rescan of a specific (virtual) SCSI controller:
echo "- - -" > /sys/class/scsi_host/hostX/scan
Replace hostX with the number of the SCSI controller, where host0 is the first, host1 is the second, et
...
read more
add a comment
Tags
computer
windows
software
vmware
microsoft
linux
exchange
hardware
network
news
mac
powershell
home
office365
msoffice
ad
server
sqlserver
dell
soaring
internet
esx
sbs
mssql
rds
events
terminalserver
powercli
hp
virtualization
Archive
«
‹
December 2024
›
»
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Links
-
@harkx
-
Cats & Dogs
-
Jargon-free Security Guide
Quote
«
Most people tend to avoid true conflict. Ironically this breeds more conflict.
»
Contact
© 2009-2024 Black Manticore – all rights reserved
code by
lunarg
, design by
SuriAmanah
, hosted at Cats&Dogs