nigoroll
commented
8 years ago did you check that vdb didn't get re-provisioned by joyent startup scripts?
Open xtreegpt opened 8 years ago
nigoroll
commented
8 years ago did you check that vdb didn't get re-provisioned by joyent startup scripts?
Live Image version 20151224T060557Z KVM Image Linux Mint 17.3
json for KVM zone { "brand": "kvm", "vcpus": 2, "alias": "Linux Mint", "autoboot": true, "resolvers": ["192.168.1.1", "8.8.8.8", "8.8.4.4"], "ram": 1024, "disks": [{ "boot": true, "model": "virtio", "size": 60000 }], "nics": [{ "nic_tag": "admin", "model": "virtio", "ip": "192.168.1.34", "netmask": "255.255.255.0", "gateway": "192.168.1.1", "primary": true }] Installed Mint, then after the install added a second drive
{ "add_disks": [ { "boot": false, "model": "virtio", "size": 105000 } ] }
Format the disk for luks
mint17 ~ # cryptsetup -y -v luksFormat /dev/vdb
WARNING!
This will overwrite data on /dev/vdb irrevocably.
Are you sure? (Type uppercase yes): YES Enter passphrase: Verify passphrase: Command successful. mint17 ~ #
open drive
mint17 ~ # cryptsetup luksOpen /dev/vdb testluks Enter passphrase for /dev/vdb: mint17 ~ #
gdisk the opened drive
mint17 ~ # gdisk /dev/mapper/testluks GPT fdisk (gdisk) version 0.8.8
Partition table scan: MBR: not present BSD: not present APM: not present GPT: not present
Creating new GPT entries.
Command (? for help): n Partition number (1-128, default 1): First sector (34-215035870, default = 2048) or {+-}size{KMGTP}: Last sector (2048-215035870, default = 215035870) or {+-}size{KMGTP}: Current type is 'Linux filesystem' Hex code or GUID (L to show codes, Enter = 8300): 0700 Changed type of partition to 'Microsoft basic data' Command (? for help): w
Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING PARTITIONS!!
Do you want to proceed? (Y/N): y OK; writing new GUID partition table (GPT) to /dev/mapper/testluks. Warning: The kernel is still using the old partition table. The new table will be used at the next reboot. The operation has completed successfully.
format partition mkfs.ntfs -f -L testluks /dev/testluks1
mount the partition mount /dev/mapper/testluks1 /mnt/vdb1/
write some data mint17 vdb1 # dd if=/dev/urandom of=/mnt/vdb1/test.bin bs=4096 count=100 100+0 records in 100+0 records out 409600 bytes (410 kB) copied, 0.0338612 s, 12.1 MB/s
check out the file od /mnt/vdb1/test.bin |less
0000000 044200 057016 176265 052462 117740 041453 040472 145341 0000020 007001 025400 055050 057630 154416 071542 107570 050455 0000040 151502 144156 024767 113402 130443 067750 053660 017746 0000060 021742 143055 154624 050056 061767 024444 025635 041351
reboot the vm by issuing reboot from inside the vm
mint17 vdb1 # reboot mint17 vdb1 # Broadcast message from greg@mint17 (/dev/pts/3) at 10:09 ...
The system is going down for reboot NOW!
log back into the vm and open luks
mint17 ~ # cryptsetup luksOpen /dev/vdb testluks Enter passphrase for /dev/vdb:
try and mount the partition mint17 ~ # mount /dev/mapper/testluks1 /mnt/vdb1 mount: special device /dev/mapper/testluks1 does not exist
check disk with gdisk
mint17 ~ # gdisk -l /dev/mapper/testluks GPT fdisk (gdisk) version 0.8.8
Partition table scan: MBR: protective BSD: not present APM: not present GPT: present
Found valid GPT with protective MBR; using GPT. Disk /dev/mapper/testluks: 215035904 sectors, 102.5 GiB Logical sector size: 512 bytes Disk identifier (GUID): 004E0D17-93D4-428A-9A84-A3300C480455 Partition table holds up to 128 entries First usable sector is 34, last usable sector is 215035870 Partitions will be aligned on 2048-sector boundaries Total free space is 2014 sectors (1007.0 KiB)
Number Start (sector) End (sector) Size Code Name 1 2048 215035870 102.5 GiB 0700 Microsoft basic data
partition is no longer accessible