QNAP storage pool status
QTS reports pool, RAID group, volume, snapshot, and LUN health as related but separate layers. A read-only pool can reflect an inactive RAID group, member loss, metadata errors, or hardware instability rather than a simple permissions problem.
Understand the symptom
QNAP documents a Warning (Read-Only) pool state when one or more RAID groups are Not Active and notes that some volume or LUN data may remain recoverable. The safe path is to separate physical-member health, RAID assembly, pool metadata, volume layout, snapshots, and iSCSI LUNs before changing any layer.
What you may see
QTS is limiting writes because an underlying group is not active.
Member loss exceeds the current RAID group's ordinary tolerance.
Read access may survive while databases, shares, or services require writes.
Higher storage objects may not attach while pool metadata is incomplete.
Protect the source
Recreation can overwrite allocation, volume, snapshot, and LUN relationships.
Deletion or reclamation can modify metadata across an unstable pool.
Apps, indexing, databases, and synchronization can write as soon as the pool appears.
Do this now
Pause containers, VMs, backups, sync jobs, databases, and client access.
Record pool, RAID group, volume, snapshot, LUN, disk, SMART, and event information.
Preserve bay order, serials, spares, replacements, and the original enclosure.
If read access is reliable, prioritize irreplaceable data to separate storage without repair.
NEPFOSYS process
NEPFOSYS identifies which physical, RAID, pool, volume, snapshot, or LUN layer is unavailable.
Unstable members and important metadata regions are acquired before write-based recovery.
Recoverable files and virtual storage are extracted from protected member copies.
A clear next step
Start a case with the exact symptoms, incident timeline, prior attempts, encryption details, and the files that matter most. NEPFOSYS will route the case to the appropriate DFW intake or nationwide mail-in path.
Start with a case reviewQuestions, answered
It can preserve access, but the underlying RAID or media problem remains. Copy priorities and stop unnecessary activity.
Not until the member set, disk health, and failure sequence are understood and protected.
They are separate metadata layers that may be required to locate historical blocks or virtual disks.
DFW local · Nationwide mail-in