For the question:
Can you find out the type of filesystem created in /dev/vdc?
vdc
has not file system:
sudo gdisk /dev/vdc
GPT fdisk (gdisk) version 1.0.3
Partition table scan:
MBR: not present
BSD: not present
APM: not present
GPT: not present
Creating new GPT entries.
Command (? for help): p
Disk /dev/vdc: 2097152 sectors, 1024.0 MiB
Sector size (logical/physical): 512/512 bytes
Disk identifier (GUID): 1CC922AE-1314-4EDD-BFF9-E58FD2A457A1
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 2097118
Partitions will be aligned on 2048-sector boundaries
Total free space is 2097085 sectors (1024.0 MiB)
Number Start (sector) End (sector) Size Code Name
Command (? for help):
blkid
/dev/vda1: UUID="ecXq0T-x7d2-Hma9-rS1w-Mi02-st3y-EqIoiW" TYPE="LVM2_member" PARTUUID="c0e721e6-01"
/dev/mapper/vagrant--vg-root: UUID="bc871017-493f-41c1-b404-edf8dbf6ecef" TYPE="ext4"
/dev/mapper/vagrant--vg-swap_1: UUID="11b93908-9eb8-4f7d-ad13-94fd79986c5a" TYPE="swap"