Log of Seagate DM Series Issues

[lcoughey]

Serial: W1E5...
Model: ST2000DM001
P/N: 1CH164-515
FW: CC47
Date: 14036
Site: WU
Number of heads: 4

Symptoms: none (from RAID)
Solution: bad sectors found while imaging

[lcoughey]

Model: ST3000DM001
P/N: 1CH166-300
FW: CC43
Site: SU
SN: W1F
# of heads: 6 (0,1,2,3,4,5)

Symptom: Scraping
Cause: Fatal Head Crash
Solution: None, DOA

[lcoughey]

Model: ST2000DM001
P/N: 9YN164-500
FW: CC48
Site: WU
SN: W1E
# of heads: 6 (0,1,2,3,4,5)

Symptom: Scraping
Cause: Fatal Head Crash
Solution: None, DOA

[lcoughey]

Model: ST2000DM001
P/N: 9YN164-568
FW: CC96
Site: WU
SN: W2F
# of heads: 5 (1,2,3,4,5)

Symptom: Scraping
Cause: Fatal Head Crash
Solution: None, DOA

[lcoughey]

Model: ST3000DM001
P/N: 1CH166-302
FW: CC26
Site: TK
SN: Z1F
# of heads: 6 (0,1,2,3,4,5)

Symptom: Inaccessible file system
Cause: Weak head 2, media damage, G-List issues
Solution: Cleaned heads, cleared G-List (got lucky that the drive only had 100GB of data). Head 2 reads worse as LBA increases.

[lcoughey]

Model: ST3000DM001
P/N: 9YN166-570
FW: CC9E
Site: WU
SN: W1F
# of heads: 6 (0,1,2,3,4,5)

Symptom: Drive clicking and not identifying
Cause: Weak head 4, media damage, media cache
Solution: Disabled media cache in module 93, set head for to read with really long timeouts

This drive is a perfect example of where many techs will mis-diagnose the drive and try to change the heads, only to make things worse.

[lcoughey]

Model: ST5000DM000
P/N: 1FK178-568
FW: CC48
Site: WU
SN: W4J
# of heads: 8 (0,1,2,3,4,5,6,7)

Symptom: Data not accessible
Cause: Weak heads / media damage
Solution: Diag Mode Locked, Unable to tweak FW, manually stitch an image together with DE

[lcoughey]

Model: ST2000DM001
P/N: 1CH164-505
FW: CC44
Site: TK
SN: Z1E
# of heads: 4 (0,1,2,3)

Symptom: In accessible drive
Cause: corrupt glist, head 1 stops reading after the first few percent
Solution: cleared glist, change heads

[lcoughey]

Model: ST3000DM001
P/N: 1CH166-505
FW: CC44
Site: WU
SN: W1F
# of heads: 6 (0,1,2,3,4,5)

Symptom: Inaccessible Drive gets stuck at BSY
Cause: Damaged glist, Head 1 reads fine for a few percent until it eventually is unable to read sectors
Solution: cleared glist, changed heads

[lcoughey]

Model: ST15000DM003
P/N: 9YN16G-302
FW: CC4C
Site: SU
SN: S1E
# of heads: 3

Symptom: Inaccessible Drive gets stuck at BSY
Cause: Damaged glist, Corrupt media cache, weak heads
Solution: cleared glist, cleared media cache