Error During HDD to SSD log disk Migration : "New drive cannot hold old drive's data"
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Created On 12/03/25 02:57 AM - Last Modified 02/03/26 03:25 AM
Symptom
The following error message is seen when customer tries to migrate existing logs from old disk drive to new RMA disk drive
New drive cannot hold old drive's data: 1875374424 < 1953514584 bytes
operation aborted. Environment
- PAN-2.5IN-SSD-1.92TB-PAIR ( This is now the standard replacement logging drive for the following devices)
- PA-5200
- PA-7000 (PA-7000-LPC)
- M-500
Cause
- The replacement SSDs currently being shipped have a slightly lower raw capacity than the legacy HDDs they replace.
- Original Drive: The 2TB HDD (SKU: PAN-2.5IN-HDD-2TB-PAIR, Model: ST2000NX0253) has an actual capacity of 1,907,729 MB (1.92 TB).
- Replacement Drive: The 1.92TB SSD (SKU: PAN-2.5IN-SSD-1.92TB-PAIR, Model: Micron_5400_MTFD) has an actual capacity of 1,831,420 MB (1.84 TB).
Resolution
- The PAN-2.5IN-SSD-1.92TB-PAIR is the designated, correct replacement for the discontinued 2TB HDD.
- Because the SSD has a slightly different usable capacity, Use one of the two methods discussed in the remediation steps of HDD to SSD Transition article.
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Additional Information
Reference article : HDD to SSD Transition