[antergos@ant-17.2 ~]$ sudo su
[root@ant-17 antergos]# fdisk -l
Disk /dev/loop0: 1.6 GiB, 1718226944 bytes, 3355912 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes




Disk /dev/sda: 931.5 GiB, 1000203804160 bytes, 1953523055 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x26a3605e

Device     Boot    Start        End    Sectors   Size Id Type
/dev/sda1  *          63       2047       1985 992.5K 42 SFS
/dev/sda2           2048     206847     204800   100M 42 SFS
/dev/sda3         206848   81917951   81711104    39G 42 SFS
/dev/sda4       81917952 1953521006 1871603055 892.5G 42 SFS


Disk /dev/sdc: 149.1 GiB, 160041885696 bytes, 312581808 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x46530321

Device     Boot     Start       End   Sectors  Size Id Type
/dev/sdc1  *           63  40965749  40965687 19.5G  7 HPFS/NTFS/exFAT
/dev/sdc2        40965750 163846934 122881185 58.6G  7 HPFS/NTFS/exFAT
/dev/sdc3       163846935 312560639 148713705 70.9G  f W95 Ext'd (LBA)
/dev/sdc5       163846998 312560639 148713642 70.9G  7 HPFS/NTFS/exFAT


Disk /dev/sdb: 2.7 TiB, 3000591900160 bytes, 5860531055 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 2D63F4F2-053B-E14F-9C8A-D061D966CD85

Device          Start        End    Sectors  Size Type
/dev/sdb1      264192    2312191    2048000 1000M EFI System
/dev/sdb2     2312192 5759129599 5756817408  2.7T Microsoft basic data
/dev/sdb3  5830809600 5852338175   21528576 10.3G Linux filesystem
/dev/sdb4  5759129600 5830809599   71680000 34.2G Linux filesystem
/dev/sdb5  5852338176 5860531021    8192846  3.9G Linux swap

Partition table entries are not in disk order.


Disk /dev/sdd: 1.8 TiB, 2000397852160 bytes, 3907027055 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x85532fac

Device     Boot     Start        End    Sectors  Size Id Type
/dev/sdd1  *         2048  203880447  203878400 97.2G  7 HPFS/NTFS/exFAT
/dev/sdd2       203880448  204802047     921600  450M 27 Hidden NTFS WinRE
/dev/sdd3       204802048 3907024895 3702222848  1.7T  7 HPFS/NTFS/exFAT




Disk /dev/sde: 7.5 GiB, 8004304896 bytes, 15633408 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x01849e25

Device     Boot Start      End  Sectors  Size Id Type
/dev/sde1  *     2048 15633407 15631360  7.5G  c W95 FAT32 (LBA)
[root@ant-17 antergos]# mount /dev/sdb4 /mnt
[root@ant-17 antergos]# mount /dev/sdb1 /mnt/boot
[root@ant-17 antergos]# arch-chroot /mnt
[root@ant-17 /]# grub-mkconfig -o /boot/grub/grub.cfg
Generating grub configuration file ...
Found theme: /boot/grub/themes/Antergos-Default/theme.txt
Found linux image: /boot/vmlinuz-linux
Found initrd image: /boot/initramfs-linux.img
Found fallback initramfs image: /boot/initramfs-linux-fallback.img
Found linux image: /boot/vmlinuz-linux-lts
Found initrd image: /boot/initramfs-linux-lts.img
Found fallback initramfs image: /boot/initramfs-linux-lts-fallback.img
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
ERROR: mkdir /var/lock/dmraid
  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
grub-probe: error: cannot find a GRUB drive for /dev/sda3.  Check your device.map.
error: invalid volume.
error: invalid volume.
error: invalid volume.
Found Windows 10 (loader) on /dev/sda1
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
error: invalid volume.
grerror: invalid volume.
uerror: invalid volume.
error: invalid volume.
bFound Microsoft Windows XP Professional on /dev/sdc1
Found Windows 10 (loader) on /dev/sdd1
-udone
[root@ant-17 /]# grub-unstall --target=i386-pc /dev/sdb
bash: grub-unstall: command not found
[root@ant-17 /]# grub-unstall --target=i386-pc /dev/sdb
bash: grub-unstall: command not found
[root@ant-17 /]# grub-install --target=i386-pc /dev/sdb
Installing for i386-pc platform.
grub-install: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
grub-install: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub-install: error: will not proceed with blocklists.
[root@ant-17 /]#