“Had a raid 0 array (windows storage pool) (failed 2tb Seagate, and a working 1tb wd blue) recovered last year, it was much cheaper than the $1500 to $3500 Canadian dollars i was quoted by a Canadian data recovery service. the price while expensive was a comparatively reasonable $900USD (about $1100 CAD at the time). they had very good communication with me about the status of my recovery and were extremely professional. the drive they sent back was Very well packaged. I would 100% have a drive recovered by them again if i ever needed to again.”
Database Recovery Service
When a server drive fails, database repair software cannot help because it cannot read the files. We recover the drive first using PC-3000 and clean bench techniques, then repair the database structure from the recovered image. SQL Server, Exchange, MySQL, Oracle, QuickBooks, PostgreSQL, and MongoDB. No data, no fee.

Why Does Database Repair Software Fail on Crashed Drives?
Database repair software fails because it requires a functional file system to read page headers. When the underlying drive has failed heads, corrupted firmware, or damaged platters, the operating system cannot mount the volume and every repair tool reports the same result: file not found.
- Software repair tools (Stellar, SysTools, mysqlcheck)
- Operate on files that already exist on a readable filesystem. They parse database page headers, rebuild indexes, & patch torn pages. None of them can read a drive with failed heads, corrupted firmware, or damaged platters.
- Server crash failure sequence
- A drive develops bad sectors or a mechanical fault, the OS retries reads aggressively, the database engine detects I/O errors & marks the database as suspect or dismounts the store, and the administrator discovers that the underlying drive is no longer accessible.
- Two-layer approach
- We handle both layers. The physical recovery produces a clean sector-level image of the drive using PC-3000. The database repair phase operates on that image, never on the original media.
What Hardware Failures Cause Database Corruption?
Database engines don't corrupt themselves in isolation. SQL Server Error 824 (torn page detected), Exchange Dirty Shutdown, & PostgreSQL PANIC entries in pg_log all trace back to the same root cause: the underlying storage returned bad data or went offline mid-write. The database engine is the messenger; the drive is the problem.
SQL Server Error 824 from SAS/SATA Drive Degradation
Error 824 means SQL Server requested a data page & the storage layer returned a page with a mismatched checksum. On enterprise hard drives with developing bad sectors, this happens when the drive's internal ECC can no longer correct read errors on specific tracks. The drive returns stale or corrupted bytes instead of failing the read outright.
Running DBCC CHECKDB WITH REPAIR_ALLOW_DATA_LOSS on a drive with active bad sectors destroys the recoverable pages it can't validate. We image the drive first using PC-3000 Express with adaptive read parameters that retry failing sectors at different head offsets, capturing pages that a single-pass read would miss. The MDF repair runs on the cloned image, not the failing media.
Exchange Dirty Shutdown from RAID Controller Failure
When a Dell PERC or HP Smart Array controller drops a drive mid-write, the Exchange Information Store service terminates without flushing its transaction logs. The EDB database enters Dirty Shutdown state. Error -541 (JET_errLogFileSizeMismatch) appears when the log files on the failed drive are truncated or unreadable.
After we image each RAID member drive & reconstruct the virtual array, we extract the EDB & transaction logs from the recovered volume. If log files are missing sectors from unreadable regions on the original media, we use eseutil /r with the /a switch to replay available logs & skip the damaged ones, bringing the database to Clean Shutdown state without touching the original drives.
PostgreSQL PANIC on ZFS Pool Import Failure
PostgreSQL running on ZFS-based NAS appliances (TrueNAS, FreeNAS) writes its WAL (Write-Ahead Log) segments sequentially. When a drive in the ZFS pool develops unreadable sectors in the middle of a WAL segment, the pool goes into a DEGRADED or FAULTED state. PostgreSQL logs PANIC: could not locate a valid checkpoint record because the WAL file it needs for crash recovery is physically damaged.
Forcing a ZFS pool import with zpool import -f on a degraded pool replays the intent log (ZIL) to the original disks, advancing the on-disk state past a recoverable point and destroying the previous transaction group consistency. We clone each pool member individually, reconstruct the ZFS vdev layout from the cloned images, & extract the PostgreSQL data directory with the WAL segments intact for proper crash recovery.
Two-Layer Recovery Workflow
Layer 1: Physical Drive Recovery
- Write-blocked forensic imaging using PC-3000 and DeepSpar with conservative retry settings
- Head swap in 0.02µm ULPA-filtered clean bench if heads have failed
- Firmware repair for drives reporting wrong capacity, wrong model ID, or refusing to spin
- Bad sector management with adaptive read parameters to maximize data yield from degraded platters
- Full sector-level clone to a healthy target drive before any database work begins
Layer 2: Database Structure Repair
- Mount recovered MDF/EDB/InnoDB files from the cloned image in an isolated environment
- Page-level integrity scan to identify torn pages, checksum failures, and orphaned records
- Hex-level repair of damaged page headers and allocation metadata
- Transaction log reconstruction when LDF/E00 log files are missing or corrupt
- Final export: restored database files, mailbox PSTs, or raw table dumps depending on engine
How We Extract Databases from Failed Server Arrays
Production databases rarely sit on single drives. SQL Server, Exchange, & Oracle instances typically run on RAID 5, 6, or 10 arrays behind a Dell PowerEdge PERC or HP Smart Array controller. When the controller fails or multiple drives drop simultaneously, forcing a rebuild destroys parity & overwrites the data you need.
- Clone each member drive individually. Every RAID member is connected to a PC-3000 Express or Portable III hardware unit via write-blocked SATA or SAS channels. We image each drive to a healthy target, handling bad sectors with adaptive read parameters. No data is written to the original media.
- Reconstruct the virtual array offline. Using the cloned images, we detect the stripe size, parity rotation, & drive order. For RAID 5 & RAID 6 arrays, we virtually reassemble the array without writing to any original disk, then parse the LVM or NTFS volume from the reconstructed block device.
- Extract & repair database files. Once the virtual array is mounted, we locate the MDF, EDB, InnoDB tablespace, or other database files & run engine-specific repair on the recovered copies. The original drives remain untouched throughout.
Consumer SSD Failures in Database Servers: Phison and SMI Controller Panics
Small business database servers are sometimes built using budget consumer SATA SSDs as primary storage. When an unexpected power loss occurs while the controller is flushing its internal SLC cache to TLC/QLC NAND, the Flash Translation Layer (FTL) mapping table corrupts. The drive drops to 0 bytes or becomes unresponsive.
- Phison PS3111-S11 (SATAFIRM S11 bug)
- Reports 0-byte capacity or shows "SATAFIRM S11" as its model string after power loss during cache flush. We connect the drive to PC-3000 SSD, enter Technological Mode via ATA Vendor Specific Commands, & rebuild the FTL translator from surviving NAND service area copies. Database files cached on the SSD at the time of failure are recoverable if TRIM has not already zeroed the blocks.
- Silicon Motion SM2259XT (BSY state)
- Enters a locked BSY (Busy) state showing 0 bytes or incorrect capacity after FTL corruption. The drive is shorted into Safe Mode via PCB test points, then PC-3000 SSD loads a volatile microcode loader into the controller SRAM and rebuilds the translator. This procedure is impossible for standard recovery software, which requires the controller to be functional.
TRIM/UNMAP note: modern SSDs with TRIM enabled permanently erase deleted blocks. If the database engine deleted records before the crash, those records are unrecoverable regardless of recovery method.
Marvell 88SS1074 Database Drive Failures
Budget SATA SSDs running the Marvell 88SS1074 controller are common in small business database servers where cost drives the hardware decision. When the firmware boot sequence corrupts after a power loss or NAND degradation event, the drive enters a permanent BSY (Busy) state. The SATA bus reports the drive but returns no data; the operating system hangs on mount attempts, and the SQL Server or PostgreSQL instance cannot start.
Recovery requires PC-3000 SSD with the Marvell VanGogh family utility. We block the corrupted main firmware from loading, boot the controller into a minimal service mode via ATA Vendor Specific Commands, and rebuild the Flash Translation Layer from surviving NAND metadata. Once the FTL is reconstructed, the drive responds normally and we image the full capacity to extract the database files.
NVMe Database Cache Failures: Phison E12 and E16 ROM Mode
High-performance NVMe SSDs with Phison E12 (PCIe 3.0) and E16 (PCIe 4.0) controllers are frequently deployed as L2ARC read caches or ZFS SLOG write caches in database arrays. During unexpected power loss while the controller is flushing its FTL mapping table to NAND, the drive locks into a protective ROM state. The server BIOS detects the NVMe device but reports a generic capacity of 1 GB or 2 MB instead of the actual drive size.
Standard NVMe management tools (nvme-cli, Samsung Magician, Intel SSD Toolbox) cannot communicate with a drive in ROM mode because the controller's main firmware never loads. We connect the drive to PC-3000 NVMe, enter Technological Mode via the PCIe interface, and upload a custom microcode loader directly into the controller's SRAM. The loader replaces the corrupted firmware in volatile memory, allowing us to reconstruct the FTL from surviving NAND service area copies and extract the cached database segments before the operating system triggers a destructive TRIM/UNMAP command on reboot.
Lenovo Server NVMe: Marvell 88SS1093 Timeout Errors
Enterprise database servers from Lenovo (ThinkSystem SR series) and OEM partners using Ramaxel-branded NVMe drives frequently run the Marvell 88SS1093 controller. When NAND cells degrade past the controller's internal ECC threshold, or a firmware translation fault corrupts the logical-to-physical block map, the drive generates persistent timeout errors during database I/O. SQL Server logs Error 823 (I/O error) and PostgreSQL reports "could not read block" failures that trace back to the NVMe timeout.
We use PC-3000 SSD Extended to block the main firmware from loading and boot the drive into Extended (service) mode. From there, we read the TCG Opal subsystem configuration (if enterprise encryption is enabled), rebuild the logical image from raw NAND, and extract the database files. This avoids the timeout loop entirely because the drive's normal I/O path is never engaged.
Recovering Databases from Encrypted Server Drives
Many Windows Server deployments use BitLocker, and Linux production servers frequently use LUKS full-disk encryption. When the underlying drive fails, the physical failure prevents access to the encrypted volume. After imaging, the encryption prevents reading the database files without the original key. We handle this in two separate phases.
- Phase 1: Physical recovery of the encrypted volume
- The failing drive is connected to PC-3000 Express or Portable III in write-blocked mode. We create a sector-level clone of the entire encrypted partition to a healthy target drive, including the BitLocker metadata header and LUKS key slots. Bad sectors are handled with adaptive read parameters; the clone captures every readable sector without writing to the original media.
- Phase 2: Decryption & database extraction
- Once the physical clone is complete, you provide the BitLocker recovery key or LUKS passphrase. We mount the encrypted volume on the cloned image and extract the database files (MDF, EDB, InnoDB tablespace, or PostgreSQL data directory). If the database uses SQL Server Transparent Data Encryption (TDE), the database master key and certificate must also be available; without it, the MDF file contents remain encrypted even after the volume is unlocked.
We don't break or bypass encryption. Recovery requires the original recovery key, passphrase, or TDE certificate. Without credentials, the encrypted data is mathematically unrecoverable regardless of the physical condition of the drive.
Database Recovery from Virtual Machine Hosts
Production databases frequently run inside VMware ESXi, Hyper-V, or Proxmox VE virtual machines. When the host server fails, the database files are locked inside VMDK, VHDX, or raw disk images on a VMFS, ReFS, or ZFS datastore. Software tools can't reach the database because the virtualization layer is broken.
- Image the physical host drives. Each drive from the host (or SAN shelf) is cloned via PC-3000 in write-blocked mode, exactly as with a bare-metal RAID array recovery.
- Reconstruct the datastore. The VMFS, ReFS, or ZFS volume is reassembled from the cloned images. We locate the target VM's virtual disk files (VMDK, VHDX, or QCOW2) and verify their integrity.
- Mount the virtual disk & extract database files. The virtual disk is mounted as a loopback device. We navigate the guest OS file system to locate the MDF, EDB, InnoDB tablespace, or PostgreSQL data directory, then run the appropriate database repair on the extracted files.
Accidental VM deletion, snapshot corruption, & SAN LUN failures are all recoverable if the underlying physical storage still contains the VMDK/VHDX data blocks. TRIM on thin-provisioned datastores is the exception; if VMFS UNMAP has already zeroed the blocks, those sections are permanently gone.
Supported Database Engines
Microsoft SQL Server
MDF/NDF/LDF recovery. Error 5171, 823, 824 resolution. Suspect mode databases. DBCC alternatives that preserve data instead of deleting it. SQL Server 2000 through 2022.
Microsoft Exchange Server
EDB file recovery with per-mailbox extraction. Dirty shutdown repair, -1018 checksum errors, JET database corruption. Exchange 2003 through 2019. PST export per user.
MySQL / MariaDB
InnoDB tablespace recovery (ibdata1, .ibd per-table files). Redo log reconstruction when ib_logfile0/1 are corrupted. MyISAM .MYD/.MYI repair for legacy tables. MySQL 5.0 through 8.x, MariaDB 10.x.
Oracle Database
Datafile (.dbf) recovery, ASM diskgroup reassembly, control file reconstruction. ORA-01578 block corruption, ORA-00600 internal errors. Oracle 11g through 21c, including CDB/PDB multitenant.
QuickBooks
QBW company file recovery from failed drives. Error -6000/-301, -6000/-82, and C=343 resolution. Sybase ASA page-level repair. QuickBooks 2006 through 2025, Pro/Premier/Enterprise.
PostgreSQL
Data directory recovery from failed drives. WAL segment reconstruction, pg_control repair, TOAST table recovery, and per-table COPY export from recovered clusters. PostgreSQL 9.x through 18.
MongoDB
WiredTiger collection file extraction, BSON document recovery, oplog replay, and catalog metadata rebuild. Sharded cluster reassembly and GridFS file reconstruction. MongoDB 3.2 through 8.0.
Microsoft SharePoint
Content database recovery from failed SAN/RAID arrays. MDF extraction, Remote BLOB Storage stub reconciliation, torn page repair, and FILESTREAM relinking. SharePoint 2010 through Subscription Edition.
Stop Before Running Repair Commands
DBCC REPAIR_ALLOW_DATA_LOSS, eseutil /p, and innodb_force_recovery=6 are destructive operations. They delete data they cannot validate. If the corruption originates from a physical drive problem, these commands destroy data that a proper drive recovery would have preserved. Power down the server and contact us before running repair utilities.
How Much Does Database Recovery Cost?
Database recovery pricing is based on the physical condition of the drive, not the database engine. The database repair phase is included at no additional cost. Drives in RAID arrays are priced per member drive.
Simple Copy
Low complexityYour drive works, you just need the data moved off it
$100
3-5 business days
Functional drive; data transfer to new media
Rush available: +$100
File System Recovery
Low complexityYour drive isn't recognized by your computer, but it's not making unusual sounds
From $250
2-4 weeks
File system corruption. Accessible with professional recovery software but not by the OS
Starting price; final depends on complexity
Firmware Repair
Medium complexityYour drive is completely inaccessible. It may be detected but shows the wrong size or won't respond
$600–$900
3-6 weeks
Firmware corruption: ROM, modules, or translator tables corrupted; requires PC-3000 terminal access
CMR drive: $600. SMR drive: $900.
Head Swap
High complexityMost CommonYour drive is clicking, beeping, or won't spin. The internal read/write heads have failed
$1,200–$1,500
4-8 weeks
Head stack assembly failure. Transplanting heads from a matching donor drive on a clean bench
50% deposit required. CMR: $1,200-$1,500 + donor. SMR: $1,500 + donor.
50% deposit required
Surface / Platter Damage
High complexityYour drive was dropped, has visible damage, or a head crash scraped the platters
$2,000
4-8 weeks
Platter scoring or contamination. Requires platter cleaning and head swap
50% deposit required. Donor parts are consumed in the repair. Most difficult recovery type.
50% deposit required
Hardware Repair vs. Software Locks
Our "no data, no fee" policy applies to hardware recovery. We do not bill for unsuccessful physical repairs. If we replace a hard drive read/write head assembly or repair a liquid-damaged logic board to a bootable state, the hardware repair is complete and standard rates apply. If data remains inaccessible due to user-configured software locks, a forgotten passcode, or a remote wipe command, the physical repair is still billable. We cannot bypass user encryption or activation locks.
No data, no fee. Free evaluation and firm quote before any paid work. Full guarantee details. Head swap and surface damage require a 50% deposit because donor parts are consumed in the attempt.
Rush fee: +$100 rush fee to move to the front of the queue.
Donor drives: Donor drives are matching drives used for parts. Typical donor cost: $50–$150 for common drives, $200–$400 for rare or high-capacity models. We source the cheapest compatible donor available.
Target drive: The destination drive we copy recovered data onto. You can supply your own or we provide one at cost plus a small markup. For larger capacities (8TB, 10TB, 16TB and above), target drives cost $400+ extra. All prices are plus applicable tax.
Why Recover Databases With Rossmann Repair Group
Two-layer recovery
Physical drive repair (PC-3000, head swaps, firmware correction) followed by logical database structure repair. One lab handles both.
Multi-engine support
SQL Server MDF/NDF, Exchange EDB, MySQL InnoDB, PostgreSQL. The drive recovery is universal; the database repair adapts to each engine's on-disk format.
Transparent pricing
Five published tiers based on drive condition. Database repair is included. If we recover nothing usable, you pay $0.
Direct engineer access
Talk to the person doing the work. No sales scripts, no account managers, no call center.
No evaluation fee
Free assessment of drive condition and recovery feasibility before any paid work begins.
Image-first workflow
Every drive is forensically imaged before any repair attempts. Original media is never modified. All database repair runs against the cloned image.
Data Recovery Standards & Verification
Our Austin lab operates on a transparency-first model. We use industry-standard recovery tools, including PC-3000 and DeepSpar, combined with strict environmental controls to make sure your hard drive is handled safely and properly. This approach allows us to serve clients nationwide with consistent technical standards.
Open-drive work is performed in a ULPA-filtered laminar-flow bench, validated to 0.02 µm particle count, verified using TSI P-Trak instrumentation.
Transparent History
Serving clients nationwide via mail-in service since 2008. Our lead engineer holds PC-3000 and HEX Akademia certifications for hard drive firmware repair and mechanical recovery.
Media Coverage
Our repair work has been covered by The Wall Street Journal and Business Insider, with CBC News reporting on our pricing transparency. Louis Rossmann has testified in Right to Repair hearings in multiple states and founded the Repair Preservation Group.
Aligned Incentives
Our "No Data, No Charge" policy means we assume the risk of the recovery attempt, not the client.
Technical Oversight
Louis Rossmann
Louis Rossmann's well trained staff review our lab protocols to ensure technical accuracy and honest service. Since 2008, his focus has been on clear technical communication and accurate diagnostics rather than sales-driven explanations.
We believe in proving standards rather than just stating them. We use TSI P-Trak instrumentation to verify that clean-air benchmarks are met before any drive is opened.
See our clean bench validation data and particle test videoDatabase Recovery FAQ
What types of databases do you recover?
Can you recover a database from a physically failed drive?
How is database recovery priced?
Do you need our entire server?
How long does database recovery take?
Why does SQL Server show Suspect Mode or Exchange report Dirty Shutdown?
What is the difference between logical database corruption and physical drive failure?
Can you recover a database from a BitLocker or LUKS encrypted server drive?
Can you recover a database running inside a VMware or Hyper-V virtual machine?
Is rush service available for database recovery?
Can you recover a database encrypted by ransomware?
Can you recover ERP or accounting databases like SAP HANA, NetSuite, or Sage?
Can you recover legacy database formats like FileMaker, Lotus Notes, and IBM Db2?
Why is our database NVMe cache drive showing up as 2MB in BIOS?
How do you recover a database from a failed SAN or iSCSI LUN?
What if our server runs multiple databases on the same drive array?
How to Ship Server Drives for Database Recovery
We serve all 50 states through mail-in data recovery. Server drives require more careful packing than consumer drives because enterprise SAS drives & RAID members must arrive with their slot positions documented.
- Label each drive before removal. Use masking tape & a marker. Write the slot number (0, 1, 2...) and the server model. For RAID arrays, the slot order determines stripe reconstruction.
- Wrap each drive individually. Use anti-static bags if available. Wrap in bubble wrap. Never let bare drives touch each other in transit.
- Ship in a sturdy box with 2+ inches of padding. Double-box for enterprise SAS drives. FedEx & UPS both work. Carrier declared-value coverage applies to the physical hardware only, not the data stored on it.
- Include a note. Database engine (SQL Server, Exchange, PostgreSQL), file names if known (e.g., the .mdf filename), & your contact info. The more context we have, the faster the diagnosis.
Ship to: 2410 San Antonio Street, Austin, TX 78705. Local Austin drop-offs accepted during Mon-Fri 10am-6pm CT. Call (512) 212-9111 before shipping if you have questions about packing a specific server configuration.
Related Recovery Services
MDF/NDF file recovery, suspect mode, Error 5171/823/824
EDB corruption, mailbox extraction, PST export
InnoDB tablespace, ibdata1, redo log reconstruction
ASM diskgroups, datafile block repair, control files
QBW company files, Error -6000/-301, Sybase repair
WAL reconstruction, pg_control repair, TOAST recovery
Content database extraction, RBS reconciliation
WiredTiger extraction, oplog replay, BSON recovery
RAID 0, 1, 5, 6, 10 arrays and NAS devices
Recover Your Database
Call Mon-Fri 10am-6pm CT or email for a free evaluation.