Christian Lehnert — Linux, Hacking & Faith

tag: #homelab

10 posts
3 weeks ago Backup at 64 KB/s - When CIFS Stops Being a Backup Protocol

A chunk-store backup that was projected to take ten days for sixty six gigabytes. The protocol was CIFS over rsync. The fix was rclone over SFTP with parallel transfers. The same data, the same network, the same off-site target, moved 280 times faster. The reason is a protocol property that does not show up in any "which backup software" comparison but that decides whether your backup can actually finish before tomorrow.

#linux #backup #sysadmin #networking #homelab
2 months ago Resurrecting a flash card with f3 and dd

A 128 GB microSD started throwing ETIMEDOUT on writes. Instead of binning it, I used f3 to prove it wasn't counterfeit, then dd to force the FTL into remapping its bad blocks. The card has been healthy for two months since. A field-report on diagnosing and reviving flash storage on Linux

#linux #homelab #f3 #datarecovery
1/2 older >