Is it safe to format this partition?
- by xanesis4
On a ubuntu server I own, I am running out of space. When I ran
sudo parted /dev/sda -l
to find all available drives, I got this:
Model: ATA ST31000528AS (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 1049kB 256MB 255MB primary ext2 boot
2 257MB 1000GB 1000GB extended
5 257MB 1000GB 1000GB logical lvm
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/server--vg-swap_1: 2135MB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Number Start End Size File system Flags
1 0.00B 2135MB 2135MB linux-swap(v1)
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/server--vg-root: 998GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Number Start End Size File system Flags
1 0.00B 998GB 998GB ext4
I understand /dev/mapper/server--vg-root is the filesystem, and /dev/sda1 has some stuff related to GRUB.
But, what about /dev/sda2 and /dev/sda5? When I tried to mount /dev/sda2, it said that I needed to specify the file system, which according to the table, is nonexistent. So, is it safe to format this with, say ext4 and mount it?
Also, when I tried to mount /dev/sd5, it gave me this error:
mount: unknown filesystem type 'LVM2_member'
I assume it is NOT save to reformat this. If I'm wrong, then that would be great, because I could save some space. Please let me know either way. Thanks in advance!
UPDATE:
Here is the result of mount:
/dev/mapper/server--vg-root on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
/dev/sda1 on /boot type ext2 (rw,acl)
/dev/sda1 on /media/hd2 type ext2 (rw)
