Feature #10860
mdb: update mbr to print vbr and add vtoc command
Start date:
2019-04-27
Due date:
% Done:
100%
Estimated time:
Difficulty:
Medium
Tags:
Description
If our mbr is pointing to 1 sector size stage 2, it is stage1 in partition, show it too.
add ::vtoc command.
History
Updated by Dan McDonald 10 months ago
Updated by Testing done, as originally seen in https://illumos.org/rb/r/1794/ :
root@test:/home/tsoome# mdb /dev/rdsk/c2t5d0p0 > ::load disk_label > 0t12544::vtoc VBR info: Format: loader (illumos) Signature: 0xaa55 (valid) UniqueMBRDiskSignature: 0 Loader STAGE1_STAGE2_LBA: 12594 Loader STAGE1_STAGE2_SIZE: 273 Loader STAGE1_STAGE2_UUID: 56857fe4-1f08-494e-e94e-a3db89148858 Label magic: 0xdabe (valid) Label is sane Label version: 0x1 Volume name = <> ASCII name = <VMware-Virtual NVMe Disk-1.0 cyl 3342 alt 0 hd 224 sec 56> pcyl = 3342 ncyl = 3342 acyl = 0 bcyl = 0 nhead = 224 nsect = 56 PART TAG FLAG STARTLBA ENDLBA SIZE BLOCKS 0 usr wm 6435072 48344575 3.98G 41909504 1 unassigned wm 0 0 0 0 2 backup wu 6422528 48344575 3.98G 41922048 3 unassigned wm 0 0 0 0 4 unassigned wm 0 0 0 0 5 unassigned wm 0 0 0 0 6 unassigned wm 0 0 0 0 7 unassigned wm 0 0 0 0 8 boot wu 6422528 6435071 6.12M 12544 9 unassigned wm 0 0 0 0 10 unassigned wm 0 0 0 0 11 unassigned wm 0 0 0 0 12 unassigned wm 0 0 0 0 13 unassigned wm 0 0 0 0 14 unassigned wm 0 0 0 0 15 unassigned wm 0 0 0 0 > 0t12544::vtoc -c VBR info: Format: loader (illumos) Signature: 0xaa55 (valid) UniqueMBRDiskSignature: 0 Loader STAGE1_STAGE2_LBA: 12594 Loader STAGE1_STAGE2_SIZE: 273 Loader STAGE1_STAGE2_UUID: 56857fe4-1f08-494e-e94e-a3db89148858 Label magic: 0xdabe (valid) Label is sane Label version: 0x1 Volume name = <> ASCII name = <VMware-Virtual NVMe Disk-1.0 cyl 3342 alt 0 hd 224 sec 56> pcyl = 3342 ncyl = 3342 acyl = 0 bcyl = 0 nhead = 224 nsect = 56 PART TAG FLAG CYLINDERS SIZE BLOCKS 0 usr wm 2 - 3342 3.98G 41909504 1 unassigned wm 0 0 0 2 backup wu 1 - 3342 3.98G 41922048 3 unassigned wm 0 0 0 4 unassigned wm 0 0 0 5 unassigned wm 0 0 0 6 unassigned wm 0 0 0 7 unassigned wm 0 0 0 8 boot wu 1 - 1 6.12M 12544 9 unassigned wm 0 0 0 10 unassigned wm 0 0 0 11 unassigned wm 0 0 0 12 unassigned wm 0 0 0 13 unassigned wm 0 0 0 14 unassigned wm 0 0 0 15 unassigned wm 0 0 0 > 0t12544::vtoc -cr VBR info: Format: loader (illumos) Signature: 0xaa55 (valid) UniqueMBRDiskSignature: 0 Loader STAGE1_STAGE2_LBA: 12594 Loader STAGE1_STAGE2_SIZE: 273 Loader STAGE1_STAGE2_UUID: 56857fe4-1f08-494e-e94e-a3db89148858 Label magic: 0xdabe (valid) Label is sane Label version: 0x1 Volume name = <> ASCII name = <VMware-Virtual NVMe Disk-1.0 cyl 3342 alt 0 hd 224 sec 56> pcyl = 3342 ncyl = 3342 acyl = 0 bcyl = 0 nhead = 224 nsect = 56 PART TAG FLAG CYLINDERS SIZE BLOCKS 0 usr wm 1 - 3341 3.98G 41909504 1 unassigned wm 0 0 0 2 backup wu 0 - 3341 3.98G 41922048 3 unassigned wm 0 0 0 4 unassigned wm 0 0 0 5 unassigned wm 0 0 0 6 unassigned wm 0 0 0 7 unassigned wm 0 0 0 8 boot wu 0 - 0 6.12M 12544 9 unassigned wm 0 0 0 10 unassigned wm 0 0 0 11 unassigned wm 0 0 0 12 unassigned wm 0 0 0 13 unassigned wm 0 0 0 14 unassigned wm 0 0 0 15 unassigned wm 0 0 0 > 0t12544::vtoc -c VBR info: Format: loader (illumos) Signature: 0xaa55 (valid) UniqueMBRDiskSignature: 0 Loader STAGE1_STAGE2_LBA: 12594 Loader STAGE1_STAGE2_SIZE: 273 Loader STAGE1_STAGE2_UUID: 56857fe4-1f08-494e-e94e-a3db89148858 Label magic: 0xdabe (valid) Label is sane Label version: 0x1 Volume name = <> ASCII name = <VMware-Virtual NVMe Disk-1.0 cyl 3342 alt 0 hd 224 sec 56> pcyl = 3342 ncyl = 3342 acyl = 0 bcyl = 0 nhead = 224 nsect = 56 PART TAG FLAG CYLINDERS SIZE BLOCKS 0 usr wm 2 - 3342 3.98G 41909504 1 unassigned wm 0 0 0 2 backup wu 1 - 3342 3.98G 41922048 3 unassigned wm 0 0 0 4 unassigned wm 0 0 0 5 unassigned wm 0 0 0 6 unassigned wm 0 0 0 7 unassigned wm 0 0 0 8 boot wu 1 - 1 6.12M 12544 9 unassigned wm 0 0 0 10 unassigned wm 0 0 0 11 unassigned wm 0 0 0 12 unassigned wm 0 0 0 13 unassigned wm 0 0 0 14 unassigned wm 0 0 0 15 unassigned wm 0 0 0 > 0t12544::vtoc -r VBR info: Format: loader (illumos) Signature: 0xaa55 (valid) UniqueMBRDiskSignature: 0 Loader STAGE1_STAGE2_LBA: 12594 Loader STAGE1_STAGE2_SIZE: 273 Loader STAGE1_STAGE2_UUID: 56857fe4-1f08-494e-e94e-a3db89148858 Label magic: 0xdabe (valid) Label is sane Label version: 0x1 Volume name = <> ASCII name = <VMware-Virtual NVMe Disk-1.0 cyl 3342 alt 0 hd 224 sec 56> pcyl = 3342 ncyl = 3342 acyl = 0 bcyl = 0 nhead = 224 nsect = 56 PART TAG FLAG STARTLBA ENDLBA SIZE BLOCKS 0 usr wm 12544 41922047 3.98G 41909504 1 unassigned wm 0 0 0 0 2 backup wu 0 41922047 3.98G 41922048 3 unassigned wm 0 0 0 0 4 unassigned wm 0 0 0 0 5 unassigned wm 0 0 0 0 6 unassigned wm 0 0 0 0 7 unassigned wm 0 0 0 0 8 boot wu 0 12543 6.12M 12544 9 unassigned wm 0 0 0 0 10 unassigned wm 0 0 0 0 11 unassigned wm 0 0 0 0 12 unassigned wm 0 0 0 0 13 unassigned wm 0 0 0 0 14 unassigned wm 0 0 0 0 15 unassigned wm 0 0 0 0 > 0t12544::vtoc -rc VBR info: Format: loader (illumos) Signature: 0xaa55 (valid) UniqueMBRDiskSignature: 0 Loader STAGE1_STAGE2_LBA: 12594 Loader STAGE1_STAGE2_SIZE: 273 Loader STAGE1_STAGE2_UUID: 56857fe4-1f08-494e-e94e-a3db89148858 Label magic: 0xdabe (valid) Label is sane Label version: 0x1 Volume name = <> ASCII name = <VMware-Virtual NVMe Disk-1.0 cyl 3342 alt 0 hd 224 sec 56> pcyl = 3342 ncyl = 3342 acyl = 0 bcyl = 0 nhead = 224 nsect = 56 PART TAG FLAG CYLINDERS SIZE BLOCKS 0 usr wm 1 - 3341 3.98G 41909504 1 unassigned wm 0 0 0 2 backup wu 0 - 3341 3.98G 41922048 3 unassigned wm 0 0 0 4 unassigned wm 0 0 0 5 unassigned wm 0 0 0 6 unassigned wm 0 0 0 7 unassigned wm 0 0 0 8 boot wu 0 - 0 6.12M 12544 9 unassigned wm 0 0 0 10 unassigned wm 0 0 0 11 unassigned wm 0 0 0 12 unassigned wm 0 0 0 13 unassigned wm 0 0 0 14 unassigned wm 0 0 0 15 unassigned wm 0 0 0 > root@test:/home/tsoome#
Updated by Electric Monk 10 months ago
Updated by - Status changed from In Progress to Closed
- % Done changed from 90 to 100
git commit 4188fb37741cc73b35fdd065a2c20fc9054d7f49
commit 4188fb37741cc73b35fdd065a2c20fc9054d7f49
Author: Toomas Soome <tsoome@me.com>
Date: 2019-05-08T13:19:56.000Z
10860 mdb: update mbr to print vbr and add vtoc command
Reviewed by: John Levon <john.levon@joyent.com>
Approved by: Dan McDonald <danmcd@joyent.com>