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Brocade G620 switch reporting read-only file system

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Category:
fabric-interconnect-and-management-switches
Specialty:
san
Last Updated:

Applies to

Brocade FC switch

Issue

  • SSH CLI login error  FOS read only file system
  • Serial console with putty switch in reboot loop reporting IO error reading dev sda
  • sda device reported offline
  • Kernel panic
Example serial console output :
Silkworm CPLD [board: 162]
Uboot wdt counter value: 0
pcie: PCICSRBAR @ 0 paddr_hi 0xefffffff paddr_lo 0xe0000000
EXT4-fs (sda1): write access unavailable, cannot proceed (try mounting with noload)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block

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