Filesystem (FLS) Backup alert codes

Topic

This article provides definitions of the Filesystem (FLS) alert and error codes found in Datto BCDR device logs.These codes may appear in the logs when there are file system related issues on the protected machine or the backup file.

Environment

  • Datto SIRIS
  • Datto ALTO
  • Datto NAS

Description

FLS1230ErrorThe following volumes will mount for file restore, but BMR or Export will likely fail: {$list}
FLS1235CriticalThe following volumes will mount for file restore, but BMR or Export will likely fail: {$list}
FLS1236 Does not exist: $file
FLS1237 Error while opening read-only: $file
FLS1238 Unable to read first 512 bytes: $file
FLS1239 Unable to create temporary mount point: $mountPoint
FLS1240 Device unreadable prior to mounting: $loop
FLS1241 Mounting {$loop} to ${mountPoint} failed with exit status {$result['exit_code']}.
FLS1242 Device unreadable prior to unmounting: $loop
FLS1243 Unmounting {$mountpoint} failed with exit status {$result['exit_code']}.
FLS1244 Removing temporary mount point failed: $mountpoint
FLS1245 Device unreadable prior to mounting: $loop
FLS1246 Generic filesystem mount failed for device: $loop
FLS1247 Device unreadable prior to unmounting: $loop
FLS1248 Generic filesystem unmount failed for device: $loop
FLS1249 Device unreadable prior to ntfsresize: $loop
FLS1250 NTFS resize failed: $loop
FLS1251 Device unreadable prior to ntfs-3g.probe: $loop
FLS1252 NTFS probe failed: $loop
FLS1253 File unreadable prior to making transparent: $image
FLS1254 File unreadable prior to COW remount: $image
FLS1255 COW device unreadable: $cowLoop
FLS1256 Unable to create loop device for COW device: $cowLoop
FLS1257 Device unreadable prior to stat: $imagePath
FLS1258 Not a block device: $imagePath
FLS1259 Device unreadable prior to testing NTFS filesystem: $imagePath
FLS1260 Device unreadable prior to testing generic filesystem: $imagePath
FLS1261 Caught NtfsException: serialize($e)
FLS1262 Device unreadable prior to testing generic filesystem: $imagePath
FLS1263 Caught FsException after NtfsException (CRITICAL): serialize($x)
FLS1264 Caught FsException (CRITICAL): serialize($e)
FLS1265 Beginning filesystem test for {$vm} in {$path}
FLS1266 Writing {$storageBase}/{$vm}/filesystemCheckFailed with contents - {$message}
FLS1267 COW remount failed, skipping this volume: $e->getMessage()

Additional Resources