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blk id hangs

edited Jun 17, 2025 4:13AM in OCI - General 1 comment

Hi Team,

blkid and fdisk -l commands hang forever in OEL 8. We found one disk sdb which is not being used, but not sure, it is showing in lsblk.

[root@erpprod ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 100G 0 disk
├─sda1 8:1 0 100M 0 part /boot/efi
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 45.5G 0 part
├─ocivolume-root 252:0 0 35.5G 0 lvm /
└─ocivolume-oled 252:1 0 10G 0 lvm /var/oled
sdb 8:16 0 300G 0 disk
└─sdb1 8:17 0 300G 0 part
sdc 8:32 0 200G 0 disk
└─sdc1 8:33 0 200G 0 part /prodapex
[root@erpprod ~]#

[opc@erpprod ~]$ sudo dd iflag=direct if=/dev/sdb of=/dev/null count=1
dd: failed to open '/dev/sdb': No such device or address

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