Topic64 problems· 3 reviewed

Linux Storage and Filesystems

64 incident problems about Linux Storage and Filesystems. Start with the reviewed ones.

All problems (64)

LINUX-336A restore repopulates ACLs correctly while default inheritance and newly created subpaths drift immediately from the recovered design during a failover rehearsalThe present state is right and the future state starts drifting with the next write. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxAdvanced17 minProLINUX-369A storage cleanup frees file blocks while an abandoned overlay or container layer still holds the inode pressure that triggered the incident during a staged decommissionCapacity charts improve and the inode shortage remains. The service still works through the primary path, but one dependency only fails when the old component is finally drained away.LinuxAdvanced17 minProLINUX-258A thin snapshot is mounted read-only while one housekeeping timer still tries to trim and purge inside it during a failover rehearsalThe maintenance timer keeps running against a snapshot that no longer accepts the same write behavior. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxIntermediate17 minProLINUX-157An mdadm write-intent bitmap survives the array move, but sector size assumptions changed and recovery performance collapses on the new hostThe array is valid, yet one metadata optimization no longer matches the hardware characteristics.LinuxAdvanced17 minProLINUX-125An rsync inplace copy lands on an XFS reflink-based volume and backup verification later finds silently shared extentsThe transfer finished, but the data isolation assumption behind the backup strategy no longer holds.LinuxAdvanced17 minProLINUX-198A read-only bind mount loses its protection when a broader remount operation changes the parent hierarchy during a failover rehearsalThe local mount looked safe until a larger filesystem action implicitly changed its semantics. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxAdvanced18 minProLINUX-282A systemd path unit watches the right directory while the application replaces it with a bind mount and the watch no longer sees real writes during a failover rehearsalAutomation stays armed on an object the application no longer uses directly. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxAdvanced18 minProLINUX-306A thin pool data volume has headroom while metadata snapshots from a backup workflow consume the limiting resource first during a failover rehearsalCapacity planning appears healthy until the hidden metadata consumer wins the race. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxAdvanced18 minProLINUX-145An LVM cache pool masks a failing SSD, and writeback mode keeps acknowledging writes until the cache metadata finally goes read-onlyStorage looks fast and healthy right up to the point where recovery becomes much harder because the failure mode was buffered.LinuxAdvanced18 minProLINUX-131An LVM device filter excludes the restored path after multipath renaming and the volume group appears incomplete on one boot pathThe disks exist, but discovery logic now ignores them because the path naming contract changed.LinuxAdvanced18 minProLINUX-138An mdadm bitmap keeps recovery fast on paper, but a write-mostly member slows resync so much that the array never catches up under loadThe storage survives, yet the degraded state lingers because one tuning decision and one hardware profile conflict.LinuxAdvanced18 minProLINUX-234An NFS mount survives boot while stale file handles explode after an export swap on the server side during a failover rehearsalThe mount path exists and the underlying file identity contract changed underneath it. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxAdvanced18 minProLINUX-109mdadm assembles the array degradedThe new disk is present, but boot recovery chooses the wrong component set because stale metadata still claims to belong to the array.LinuxAdvanced18 minProLINUX-104XFS project quota is enabled but a subdirectory inherits the wrong project ID and one tenant can overrun its limitQuota appears configured on the filesystem, yet nested paths escape the intended control because the directory tree was not fully assigned.LinuxAdvanced18 minProLINUX-186A writeback cache hides a failing SSD until metadata finally flips read-only and makes recovery much harder during a failover rehearsalPerformance stays good while risk quietly accumulates behind the cache layer. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.LinuxAdvanced19 minProLINUX-095LVM thin pool reports plenty of virtual space but metadata exhaustion stops every writeThe logical volumes still look large enough, yet writes fail because the thin pool metadata area, not the data area, reached exhaustion first.LinuxAdvanced19 minProLINUX-083LUKS volume unlock works manually but the early boot keyscript path is missing from initramfsThe passphrase and device are valid, yet unattended boot fails because the initramfs never included the helper needed to unlock the volume at the correct stage.LinuxAdvanced21 minProLINUX-073mdadm auto-assembly picks the wrong member order after an initramfs still references stale metadataThe disks are present, but recovery stays risky because the boot environment is assembling the array from outdated metadata assumptions.LinuxAdvanced23 minProLINUX-039NFS client hits stale file handle after the export path movedPermissions and network reachability look fine, yet file operations fail because the server-side export changed under a still-mounted client path.LinuxAdvanced24 minProLINUX-1175A restored permission model looks right (Permission Denied)A restored permission model looks right (Permission Denied) focuses on Linux Storage and Filesystems and asks the reader to isolate Permission Denied. 실무에서는 Linux Storage and Filesystems 문제를 볼 때 서비스 로그만 보지 말고 inode, 파일시스템 여유, 포트 점유, systemd 상태, 최근 패키지 변경까지 같이 확인해야 원인을 빨리 좁힐 수...LinuxAdvanced29 minPro