Google Find Hub to Revolutionize Location Sharing with Satellite Connectivity
Written by
admin
Microsoft's flagship Windows 11 24H2 update (KB5063878) is under fire after widespread reports of storage drive failures, data corruption, and vanished partitions, triggering alarms for both consumers and enterprise users.
The Core Issue: How the Update Breaks Drives
The update initially deployed to patch critical security flaws like
the Lamma stealer introduces catastrophic storage failures under
specific conditions:
Drive Disappearance: Affected SSDs/HDDs vanish from File
Explorer and reappear as "unallocated space" in Disk Management,
matching users' missing storage capacity.
Heavy Write Trigger: Failures consistently occur during
sustained write operations (~50GB) exceeding 60% controller usage,
with corruption likelihood escalating during large file transfers or
game updates.
Reboot Temporarily Fixes: Some drives reappear after reboots
(Level 1 failure), but others become permanently inaccessible (Level
2 failure) 2.
Technical Root Causes Emerge
Investigations point to complex software-hardware clashes:
Phison Controller Vulnerability: DRAM-less SSDs (especially
budget QLC models) fail at lower write volumes due to flawed cache
management under Windows 24H2’s memory allocation 12.
HMB Conflict: Despite similarities to past WD SN770 flaws,
disabling Host Memory Buffer (HMB) does not resolve the issue,
suggesting deeper OS-level cache subsystem bugs 29.
Suspected OS Cache Leak: Evidence points to a memory leak in
Windows’ OS-buffered cache region overwhelming drive controllers 12.
Affected Drive Models and Firmware 9:
-
WD_BLACK SN770 NVMe SSD 2TB 731130WD
-
WD Blue SN580 NVMe SSD 2TB 281050WD
-
SanDisk Extreme M.2 SSD 2TB 731130WD
-
Some Enterprise HDDs Unknown Not fix
yet
User Impact: "Lifetime Collections" Vanished
External HDD Wiped: One user’s 3TB external drive—holding "a
lifetime collection"—showed as 746GB unallocated post-update, with
recovery tools failing.
Gaming PCs Crippled: A WD_BLACK SN770 user lost partition
tables during a Cyberpunk 2077 update, noting DiskPart showed
"nothing" and TestDisk detected corrupted GPT backups.
Multi-Drive Systems Hit: Users with 6+ drives reported only
half detected after 24H2, even in BIOS.
*"Blaming end users for the update corrupting a drive with NO
ISSUES for 4 years is condescending. Do I sound bitter? You’re
d**ed right."* – Frustrated user on tech forums.
Microsoft’s Response: Silence and Workarounds While the company resolved installation errors (0x80240069) for KB5063878 4, it has not:
-
Acknowledged storage corruption reports officially.
-
Released patches for affected drives.
-
Added safeguard holds to block 24H2 on vulnerable systems.
User Mitigation Attempts:
-
Rolling back to 23H2 temporarily restores drive visibility but
breaks apps requiring 24H2 (e.g., Xbox gaming) 57.
-
Firmware updates (e.g., WD’s 731130WD) resolve some SSD crashes
but require risky internal drive reflashing.
-
Data recovery tools like TestDisk often fail, with partition
tables irrecoverably damaged.
Expert Recommendations: Protect Your Data Now
-
Delay 24H2 Installation: Especially if using Phison-based SSDs, DRAM-less models, or WD/SanDisk 2TB drives.
-
Update SSD Firmware: Use WD Dashboard/SanDisk tools before upgrading—but back up data first (bricking risk remains).
-
Avoid Heavy Writes: Post-update, defer large file transfers, game installs, or decompression tasks.
-
Enterprise Caution: Test 24H2 on non-critical systems; some enterprise HDDs show similar symptoms.
The Path Forward
This incident echoes past firmware-debacles (e.g., HPE’s 2020 SSD bricking), but uniquely implicates an OS update in hardware failures. With Microsoft silent, users face a dilemma: risk data loss for security patches or disable updates entirely. As one user lamented:
The update should keep every app the way it was... None of these things should be activated without asking permission.
