Micron M500 Firmware

[Heidi Hall]

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After the first unresponsive event is experienced, every subsequent power-cycle of the system will allow the drive to operate for another 1008 hours (approximately six weeks) before it will no longer respond again.

This causes the drive to become unresponsive until the drive is power-cycled. No data loss will occur when the memory buffer overrun firmware event occurs. A power-cycle restores normal operation of the drive.

The bootflash on Nexus 9000/3000 switches will no longer respond, which causes failure of operations such as configuration changes/saves, read/write operations, and so on. It might also cause an unexpected reload.

In order to prevent this issue and disruption to the network and operations, Cisco recommends to upgrade the firmware of the SSD proactively before the uptime reaches 28,224 hours. See the How to Identify Affected Products section and follow the firmware upgrade procedure accordingly.

Note: An upgrade of the SSD Firmware of the switch with a RAW_VALUE of 128 might result in unexpected behavior after a firmware upgrade (for example, an unexpected reload or read-only drive). Any RAW_VALUE other than 128 for Temperature_Celsius is valid.

When the switch is upgraded (disruptive/non-disruptive) or reloaded using the fixed NX-OS version, the SSD firmware version will be automatically upgraded. See the Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 9.3(x) for more information.

For 9500 Series Switches with Dual Supervisor, copy upgrade_m500_firmware.tar.gz to Active as well as Standby supervisor bootflash. Perform the upgrade first on Standby supervisor and then Active supervisor.

This field notice provides the ability to determine if the serial number(s) of a device is impacted by this issue. In order to verify your serial number(s), enter it in the Serial Number Validation tool at

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

I am trying to upgrade the firmware of my SSD (crucial m500) from my macbook pro (mid 2010). My DVD drive is broken and I cannot replace it because the exit of the DVD is broken too. (the DVDs cannot get out after inserting.)

2) using natural osx applications to make the USB stick.Reference: -in-the-enterprise/how-to-create-a-bootable-usb-to-install-os-x/This one is actually for making a USB installer for OSX. But I thought I would be quite similar to make a bootable USB stick for updating firmware. So I followed it, but disk utility did not allow me to restore the USB from the dmg file.

There are also a third method which uses rEFInd Boot Manager. So I do not actually need to make a mac specific bootable USB stick. But I had a bad experience messing around with rEFInd, and I do not want to take the risk again.

Some people say the USB stick does not work because Apple disabled booting from USB functionality for security reasons. If that's the case my only solutions are using rEFInd or updating the firmware from some other computers?

There are many steps to follow, both in creating the usb disk, then in booting from it, but it took me to the firmware updater as promised. After all that effort, my disk was already up-to-date, but it did work.

Crucial support says there is no option for people without a CD drive, but there is. You just have to be willing to carefully follow some instructions and be sure you're not writing to the wrong disk.

I haven't tried this on a Crucial drive before (only OWC), but the method is the same; you should be able to use Disk Utility to restore the ISO file to a USB drive (try going directly from the ISO instead of converting to DMG).

Put this into your Mac drive and power down. Power up holding the C key down, release it as soon as you get the Crucial black screen. If a row of cccccc's appear, backspace delete them. The Firmware upgrade should then automatically open. Follow the instructions carefully (type yes when prompted and hit return ). If you have more than one SSD, it completes the first then asks again if you want to update the second.

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