Tagged Questions
1
vote
3answers
373 views
Persistent blockdev setra read ahead setting
I've got some SSDs mounted up on /dev/sda1 and /dev/sdb1 on a SLES 11 SP2 server, and I was able to tweak the read ahead setting with blockdev --setra:
sudo blockdev --setra 4096 /dev/sda
sudo ...
13
votes
3answers
778 views
How to know if a disk is an SSD or an HDD
I want to know whether a disk is a solid-state drive or hard disk.
lshw is not installed. I do yum install lshw and it says there is no package named lshw. I do not know which version of ...
2
votes
2answers
87 views
Why I have two /dev/sdx entries with a single disk?
In my laptop (running Linux) I have only one SSD, connected to the SATA3 port.
Why I have two sdx entries in /dev directory?
In particular I see /dev/sda and /dev/sdb, and /dev/sda is the SSD:
# ...
