Disk /dev/sdb doesn't contain a valid partition table

UNIX for Advanced & Expert Users
1

Hello,

I have rebooted the RHEL VM but after rebooting the vm it not showing all the partition mounted on OS level, if i'll execute the fdisk -l command, then i'm able to see the same disk. below is the fdisk output :

[root@Test-Server ~]# fdisk -l

Disk /dev/sda: 107.6 GB, 107639996416 bytes
255 heads, 63 sectors/track, 13086 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1        7605    61079104   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2            7605        8910    10482432   82  Linux swap / Solaris
Partition 2 does not end on cylinder boundary.

Disk /dev/sdb: 161.0 GB, 161061273600 bytes
255 heads, 63 sectors/track, 19581 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/sdb doesn't contain a valid partition table

Kindly help on the same.

2

Is it possible that the whole drive was LVM'd (as a PV)? Partition tables can be a bit "old school" today.

Try pvs or pvscan see if that helps (just a guess, an idea).