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EXOS Summit Series Firmware Upgrade Failure 'Couldn't write to "/scratch/<image_name>.xos": Cannot allocate memory'

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TitleEXOS Summit Series Firmware Upgrade Failure 'Couldn't write to "/scratch/<image_name>.xos": Cannot allocate memory'
Symptoms
A firmware upgrade of a Summit switch fails and reports the following output:
Download to /scratch/summitX-30.1.0.16.xos on switch
exosadmin@192.168.1.250s password:
Connected to 192.168.1.250.
Fetching /tftpboot/summitX-30.1.0.18.xos to /scratch/summitX-30.1.0.16.xos
/tftpboot/summitX-30.1.0.18.xos 89% 65MB 3.7MB/s 00:02 ETA
Couldn't write to "/scratch/summitX-30.1.0.16.xos": Cannot allocate memory
Please wait validating image summitX-30.1.0.16.xos ,this will take approximately 30 seconds ...
failed!
Error: summitX-30.1.0.16.xos is not a validate image
Environment
  • Summit Series
  • Firmware Release 22.x, 30.x (prior to 30.7)
Cause
Randomly following the completion of the SCP file transfer between the switch and the source point the SSH service on the switch restarts and re-attempts to bind to TCP port 22; already in use.
Resolution
The SSH libraries have been upgraded in software release 30.7.x and above.
Additional notes
NOTE: If using Extreme Management Center, the inventory.log will show a similar output as shown above:
117822 1590714016447 Inventory Server.3.Event xmcadmin <xmc_ip> <switch_ip> Firmware Download Firmware Download
summitX-22.7.1.2-patch1-24.xos(2): (<switch_ip>) - Error Downloading Firmware. See event log for details. : 
Connected to <xmc_ip>. Fetching /root/firmware/images/summitX-22.7.1.2-patch1-24.xos to 
/scratch/summitX-22.7.1.2-patch1-24.xos /root/firmware/images/summitX-22.7.1.2-patch1 100% 74MB 1.9MB/s 00:38 
Couldn't write to "/scratch/summitX-22.7.1.2-patch1-24.xos": Cannot allocate memory
Please wait - validating image summitX-22.7.1.2-patch1-24.xos. 
This will take approximately 30 seconds ... failed! 
Error: summitX-22.7.1.2-patch1-24.xos is not a valid image Slot-1 OC-2293-ESS2.3 # 
install image summitX-22.7.1.2-patch1-24.xos ^ %% Invalid input detected at '^' marker.

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