I have a SSD with Windows 10 and a disklabel type gpt and a HDD with Ubuntu 18 and a disklabel type DOS. I have read that having 2 disks with 2 different OS, and one disk is formatted to gpt and the other to dos can cause problems. I have a Acer Aspire machine, so I only have UEFI settings (there is no option to select legacy boot manager). The output of the command sudo fdisk -l|grep -A4 /dev/sd is:
Disk /dev/sda: 465,8 GiB, 500107862016 bytes, 976773168 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
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/dev/sda1 * 2048 976895 974848 476M ef EFI (FAT-12/16/32)
/dev/sda2 978942 13883391 12904450 6,2G 5 Extended
/dev/sda3 13883392 599820287 585936896 279,4G 83 Linux
/dev/sda4 599820288 976771071 376950784 179,8G 83 Linux
/dev/sda5 978944 13883391 12904448 6,2G 82 Linux swap / Solaris
Partition table entries are not in disk order.
Disk /dev/sdb: 119,2 GiB, 128035676160 bytes, 250069680 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
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/dev/sdb1 2048 206847 204800 100M EFI System
/dev/sdb2 206848 239615 32768 16M Microsoft reserved
/dev/sdb3 239616 247971839 247732224 118,1G Microsoft basic data
/dev/sdb4 247971840 250068991 2097152 1G Windows recovery environment
Disk /dev/loop8: 163,7 MiB, 171618304 bytes, 335192 sectors
Units: sectors of 1 * 512 = 512 bytes
Should I be worried about it? Everything seems to be working just fine. I can boot in Windows and Ubuntu normally. Thank you in advance!
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