Urgent Field Update
Topic: Drive Hang after Power Cycle Date: 1/16/09
Products: Barracuda 7200.11, Barracuda ES.2 (SATA), DiamondMax 22, FreeAgent Desk, Maxtor
OneTouch 4, SV35.3, SV35.4
For Immediate Release
Contact your Seagate representative for additional information.
Q. Does this affect all drives manufactured through January 2008?
A. No, this only affects products that were manufactured through a specific test process in
combination with a specific firmware issue.
Q. Why has it taken so long for Seagate to find this issue on Barracuda ES.2 and SV35?
A. In typical Nearline and Surveillance operating environments drives are not power cycled and so
are not as likely to experience this issue.
Q. Does this affect the Barracuda ES.2 SAS drive?
A. No, the SATA and SAS drives have different firmware
Q. How will my RAID-set be affected?
A. If the error occurs, the drive will drop offline after a power cycle. The RAID will go into the defined
host specific recovery actions, which will result in the RAID operating in either a degraded mode
or initiating a rebuild if a hot spare is available. If you are unsure how your host will respond to a
dropped drive and have not yet experienced this issue, avoid unnecessary power cycles and refer
to your manufacturer support site for appropriate instructions.
Q. Is there a way to upgrade the firmware to my drives if in a large RAID-set, or do I need to
take the solution offline?
A; The ability to upgrade firmware in a RAID array is system dependant. Refer to your system
manufacturer support site for appropriate instructions.
Q. How can I tell which Barracuda ES or SV35 drives are affected?
A. 1). Check the “Drive model #” against the list of affected models below or
2) check the PN of the drive against the PN list below or
3) Call Seagate Technology, support services at
1-800-SEAGATE (1 800 732-4283), or
If it is a SV35 SATA drive and it is affected, new firmware will be available 1/23/09
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