anthony.wen
86b1a0e4a9
- remove hardcoded credentials, tokens, registration codes, and similar secret values from tracked ATVM and CDS MCP docs - replace those values with references to /home/aw/code/cds/.env.credentials.local and the corresponding environment variable names - update current operator guides to instruct sourcing .env.credentials.local before credential-dependent setup and automation workflows - update the ATVM setup scripts to consume ATVM_TARGET_PASSWORD from the environment instead of hardcoding the Ubuntu root SSH password - scrub the remaining tracked artifact log entry that still included the old CMC registration code - keep the local-only credential inventory in .env.credentials.local while leaving that file untracked
82 lines
3.0 KiB
Plaintext
82 lines
3.0 KiB
Plaintext
ATVM Local Data Disk CDC Migration Report
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Host: atvm-codextest-vm
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Date: 03-18-2026
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VM IP during run: 192.168.3.191
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Project: Skidamarink
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Guest OS: Oracle Linux Server 9.7
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Summary
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- Powered on the VM and reinstalled CMC for Linux.
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- Used /dev/sdb as the source data disk and /dev/sdc as the destination data disk.
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- Created an ext4 filesystem on /dev/sdb and mounted it at /mnt/disk1.
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- Created a local migration session for /dev/sdb -> /dev/sdc.
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- Wrote about 1 GiB of data to /mnt/disk1/aw.dat with fio while the session was active.
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- Waited for the session to resynchronize and return to TRACKING with remaining data at 0.
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- Performed cutover, then final cutover.
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- Unmounted the source mount after final cutover, deleted the session, mounted the destination disk at /mnt/destination, and verified the migrated file.
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Disk Layout
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- Source disk: /dev/sdb
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- Source filesystem: ext4
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- Source mountpoint: /mnt/disk1
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- Destination disk: /dev/sdc
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- Destination mountpoint after completion: /mnt/destination
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CMC Reinstall
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- Registration code: CMC_GCSTAGE_REGISTRATION_CODE from /home/aw/code/cds/.env.credentials.local
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- Endpoint: portal.gcstage.cloud.nonprod.cirrusdata.com:443
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- Result: successful
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Migration Session
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- Local session ID: 1
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- Session UUID: 6d086de2-de8f-40c9-8a1c-c22712abce28
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- Description: aw local ext4 validation
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- Auto resync interval after explicit update: 5s
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fio Write
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- Command intent: write about 1 GiB to /mnt/disk1/aw.dat
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- File created: /mnt/disk1/aw.dat
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- File size: 1.0G
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- fio runtime: 1924 ms
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- fio bandwidth: 532 MiB/s
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- fio write IOPS: 532
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Source File Verification
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- Source path: /mnt/disk1/aw.dat
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- SHA-256: b695f7743705a16ef6c346d7d3a962d3608d10af4eae12e7474e2224efc0fe47
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Key Session State
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- Session created successfully.
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- Initial file write produced changed data on the session.
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- Explicit sync completed and the session returned to TRACKING with remaining = 0.
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- Session then entered cutover/cmotion successfully.
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Important Session Events
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- SESSION_SYNCHRONIZED at 2026-03-19T01:45:52.643383535Z
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- SESSION_ENTERED_CMOTION at 2026-03-19T01:45:53.440862866Z
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- SESSION_FINAL_CUTOVER_EXECUTED at 2026-03-19T01:46:08.831400665Z
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- SESSION_DELETED at 2026-03-19T01:46:12.798177270Z
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Post-Cutover Handling
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- /mnt/disk1 unmounted before session deletion.
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- Migration session deleted successfully.
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- No migration sessions remained after deletion.
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Destination Verification
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- Destination disk mounted at /mnt/destination from /dev/sdc
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- Destination file: /mnt/destination/aw.dat
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- Destination SHA-256: b695f7743705a16ef6c346d7d3a962d3608d10af4eae12e7474e2224efc0fe47
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Verification Result
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- Source and destination SHA-256 values match exactly.
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- Data verification passed.
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Final Guest Disk State
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- /dev/sdb present and not mounted
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- /dev/sdc mounted at /mnt/destination as ext4
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Notes
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- The session remained in TRACKING with changed data after the fio write until an explicit auto-resync interval and sync were applied.
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- Cutover succeeded first; final cutover had to wait until the session transitioned from TRACKING to STANDING_IN.
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