sd

Dec 17 05:21:25 SERVER_NAME kernel: sd 3:0:0:2: Warning! Received an indication that the
LUN assignments on this target have changed. The Linux SCSI layer does not automatical

/dev/sda1

SD card

/dev/sdX
/sys/block/sda/

Oct 22 11:25:58 SERVER kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
Oct 22 11:25:58 SERVER kernel: sdb: sdb1
Oct 22 11:25:58 SERVER kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Oct 22 11:25:58 SERVER kernel: sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
Oct 22 11:25:58 SERVER kernel: sd 1:0:0:0: [sdb] Write Protect is off
Oct 22 11:25:58 SERVER kernel: sd 1:0:0:0: [sdb] 52428800 512-byte logical blocks: (26.8 GB/25.0 GiB)

Related terms

• hdparm
• USB
• Add a new disk
• echo 1 > /sys/block/sda/device/rescan
• /sys/block/
• /dev/vdX

See also

• SCSI: /dev/sd lsscsi rescan-scsi-bus.sh mpathpersist, iSCSI, udisksctl
• Block devices: blkid (UUID), lshw -class disk, hwinfo --disk, udevadm, rescan-scsi-bus.sh, LUN, hdparm, findfs, Add a new disk
• lsblk, pvscan lspci, lsscsi, smartctl, fdisk, parted, Kpartx, pvdiplay, pvs, udisksctl, /dev/sd, nvme list