When plugging in a USB disk to the system, the messages below are output during discovery. Please explain what the following boot time messages mean: Raw sd 5:0:0:0: [sda] 209715200 512-byte logical blocks: (107 GB/100 GiB) sd 5:0:0:0: [sda] Write Protect is off sd 5:0:0:...
SMART support is: Enabled root@DS918:~# dmesg |grep -i "sata link up" [ 22.398679] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) root@DS1618:~# smartctl -i -d sat /dev/sda smartctl 6.5 (build date May 7 2020) [x86_64-linux-4.4.59+] (local build) ...
This is the big one. Linux-based In-Guest UNMAP support Automatic UNMAP This is something that was once in existence back in ESXi 5.0, but was withdrawn for a variety of reasons. It is finally back! Yay! So let’s talk about what it requires: ESXi 6.5+ vCenter 6.5+ VMFS 6 An ...
Also, we now know that sd[a-z] is the currently used naming format for our disks in Linux. And lastly, /dev/sda[1-15] shows the partitions within our hard disk. So if we have three disks in our system, the disks will display as /dev/sda, /dev/sdb, and finally/dev/sdc....
If I tell you that a given Linux box has a single system drive, an optical drive, and sometimes has a USB thumb drive plugged into it, you can confidently guess that they are called /dev/sda, /dev/sdb and /dev/sdc, respectively. Footnotes: SCSI and ATA didn't...