Background: I need to extend a RAID 1 volume from a live Proxmox/Debian server that has a LSI SAS 2108 MegaRAID card, from 1TB to 2TB, I did this on a test environment albeit it was with a different Raid card, and my procedure was replacing each drive one at a time while waiting for the volume to rebuild each time, once that was finished I expanded the RAID 1 volume and after it reconfigured Proxmox recognized the bigger drive. I then created a new partition with the free space and added it to the proxmox /dev/pve/data lvgroup group and expanded that volume. Everything went great didn't even have to unmount dev/pve/data and consequently reboot the VMs.
I started doing this on the live server, already replaced each disk seperatly and than expanded the logical RAID 1 drive. Currently the server has 1 RAID 1 Volume showing up as 2TB on the MegaRAID Storage Manager.
However when I move over to the Debian/Proxmox OS to create the new partition with the free space I noticed the extra space is not appearing, neither in fdisk or parted. The weird thing though is that it does appear in smartctl. Here is the output for the commands:
fdisk
# fdisk -l /dev/sda
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sda: 999.0 GB, 998999326720 bytes
255 heads, 63 sectors/track, 121454 cylinders, total 1951170560 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 identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sda1 1 1951170559 975585279+ ee GPT
parted
# (parted) print free /dev/sda
Model: SMC SMC2108 (scsi)
Disk /dev/sda: 999GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 1049kB 1031kB Free Space
1 1049kB 2097kB 1049kB Grub-Boot-Partition bios_grub
2 2097kB 136MB 134MB fat32 EFI-System-Partition boot, esp
3 136MB 999GB 999GB PVE-LVM2-Partition lvm
999GB 999GB 1032kB Free Space
smartctl
# smartctl -i /dev/sda
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-2.6.32-48-pve] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
Vendor: SMC
Product: SMC2108
Revision: 2.13
User Capacity: 1,998,998,994,944 bytes [1.99 TB]
Logical block size: 512 bytes
Logical Unit id: 0x600304801b0f130120406495107d7c01
Serial number: 00017c7d109564402001130f1b800403
Device type: disk
Local Time is: Sat Nov 3 13:02:42 2018 WET
Device does not support SMART
Notice how it detects it as 2TB. Does anyone why parted and fdisk don't recognize the extra space? Is it possible that I need to reboot the server for it to be detected? I'm trying to avoid rebooting it but if it's necessary I can still do it. I'll be honest i'm not sure if I did reboot the server on the test environment, it's possible I did although I don't think that i did.
Any help would be greatly appreciated.
