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chore: consolidate local WIP (repo cleanup 20260707) 
Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-07 09:41:34 -07:00

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ML110-01 fdisk Output - Detailed Disk Information

Date: Generated from fdisk -l command
Host: ml110-01 (192.168.11.10)

Complete fdisk Output

Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: ST1000DM003-1ER1
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: F9CFB0F5-ED1C-477B-9656-5D2651A864E1

Device       Start        End    Sectors   Size Type
/dev/sda1       34       2047       2014  1007K BIOS boot
/dev/sda2     2048    2099199    2097152     1G EFI System
/dev/sda3  2099200 1953525134 1951425935 930.5G Linux LVM

Partition 1 does not start on physical sector boundary.


Disk /dev/sdb: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: ST1000DM003-1ER1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/mapper/ceph--ba672668--8341--42e0--a8fd--277cee5491e4-osd--block--fcaaaa49--68ea--4664--8559--7f76088f246d: 931.51 GiB, 1000203091968 bytes, 1953521664 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


Disk /dev/mapper/pve-swap: 8 GiB, 8589934592 bytes, 16777216 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


Disk /dev/mapper/pve-root: 96 GiB, 103079215104 bytes, 201326592 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


Disk /dev/sdc: 28.91 GiB, 31042043904 bytes, 60628992 sectors
Disk model: USB 2.0 FD      
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: gpt
Disk identifier: B9083D28-1E94-45BC-A8A3-DA68BE09A9A9

Device       Start     End Sectors  Size Type
/dev/sdc1       64     635     572  286K Microsoft basic data
/dev/sdc2      636   17019   16384    8M EFI System
/dev/sdc3    17020 3577255 3560236  1.7G Apple HFS/HFS+
/dev/sdc4  3577256 3577855     600  300K Microsoft basic data
GPT PMBR size mismatch (3577903 != 60628991) will be corrected by write.

Disk Analysis

System Disk: /dev/sda (931.51 GiB / 1TB)

  • Model: ST1000DM003-1ER1 (Seagate Barracuda 1TB HDD)
  • Partition Table: GPT
  • Disk Identifier: F9CFB0F5-ED1C-477B-9656-5D2651A864E1
  • Sector Size: 512 bytes logical / 4096 bytes physical (4K native)
  • I/O Size: 4096 bytes (optimal)
  • Partitions:
    • /dev/sda1: 1007K (sectors 34-2047) - BIOS boot partition
      • Note: Partition 1 does not start on physical sector boundary (minor alignment issue)
    • /dev/sda2: 1G (sectors 2048-2099199) - EFI System partition
    • /dev/sda3: 930.5G (sectors 2099200-1953525134) - Linux LVM
  • LVM Volumes:
    • /dev/mapper/pve-swap: 8 GiB
    • /dev/mapper/pve-root: 96 GiB
    • Additional space likely in pve-data volume (not shown in fdisk output)

Ceph OSD Disk: /dev/sdb (931.51 GiB / 1TB)

  • Model: ST1000DM003-1ER1 (Seagate Barracuda 1TB HDD)
  • Status: Used by Ceph OSD
  • Sector Size: 512 bytes logical / 4096 bytes physical (4K native)
  • I/O Size: 4096 bytes (optimal)
  • Ceph OSD Block Device:
    • /dev/mapper/ceph--ba672668--8341--42e0--a8fd--277cee5491e4-osd--block--fcaaaa49--68ea--4664--8559--7f76088f246d
    • Size: 931.51 GiB (full disk used for OSD)
  • OSD ID: Likely OSD 0 or 1 (check with ceph osd tree)

USB Drive: /dev/sdc (28.91 GiB)

  • Model: USB 2.0 FD (USB Flash Drive)
  • Partition Table: GPT
  • Disk Identifier: B9083D28-1E94-45BC-A8A3-DA68BE09A9A9
  • Sector Size: 512 bytes (logical/physical)
  • Partitions:
    • /dev/sdc1: 286K - Microsoft basic data
    • /dev/sdc2: 8M - EFI System
    • /dev/sdc3: 1.7G - Apple HFS/HFS+
    • /dev/sdc4: 300K - Microsoft basic data
  • Status: Appears to be a bootable USB drive (possibly macOS installer or boot media)
  • Warning: GPT PMBR size mismatch detected (partition table may need correction)

Key Observations

  1. System Disk (/dev/sda):

    • 1TB HDD with Proxmox VE installation
    • Properly partitioned with GPT
    • Has both BIOS boot and EFI System partitions
    • LVM configured with swap and root filesystem
    • 4K native physical sector size (modern HDD standard)

  2. Ceph OSD Disk (/dev/sdb):

    • 1TB HDD dedicated to Ceph OSD
    • Full disk used for Ceph block device
    • Matches system disk model (same hardware)
    • Active Ceph OSD in use

  3. USB Drive (/dev/sdc):

    • 28.91GB USB flash drive
    • Contains bootable partitions (EFI, HFS+)
    • Likely installation media or boot drive
    • GPT partition table has size mismatch warning

  4. LVM Configuration:

    • pve-swap: 8GB swap space
    • pve-root: 96GB root filesystem (larger than r630-01's 79.5GB)
    • Remaining space in LVM likely allocated to pve-data

Comparison with R630-01

Feature ML110-01 R630-01
System Disk 1TB HDD (sda) 300GB SAS (sda)
Ceph OSD Disk 1TB HDD (sdb) - Active 6x 250GB SSDs (sdc-sdh) - Available
Root Filesystem 96GB 79.5GB
Swap 8GB 8GB
Additional Storage USB drive (sdc) Secondary 300GB SAS (sdb)

Recommendations

  • System Disk: Keep /dev/sda as-is for Proxmox VE OS
  • Ceph OSD: /dev/sdb is already configured and active
  • USB Drive: /dev/sdc appears to be temporary/installation media - can be removed if not needed
  • Storage Expansion: ML110-01 has less available storage than R630-01 (which has 6x SSDs available)

Related Documentation

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