ASA5505 error writing to flash file system

Answered Question
Apr 29th, 2010
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Any idea how to work around this error/problem?


ciscoASA5505# reload
System config has been modified. Save? [Y]es/[N]o:Y
%Error opening disk0:/.private/startup-config (Read-only file system)
Error executing command
Proceed with reload? [confirm]
ciscoASA5505#


I'm remote so formating the flash etc is not a good solution.


Thx,

Phil

Correct Answer by Jennifer Halim about 7 years 1 month ago

When you perform the reformat, it will repair the faulty file system. If that can't be repaired, you would need to replace the flash.

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Jennifer Halim Thu, 04/29/2010 - 05:36
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  • Cisco Employee,

Unfortunately you only have 2 options in this situation:

1) Reformat the flash

OR/

2) Reload the ASA


Unfortunately none of them is a good solution when you are remote to the ASA.

Phil Williamson Thu, 04/29/2010 - 05:41
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I was afraid that was my only option.

Actually the unit has been reloaded since the error first appeared, but it persists.

Is is possible to format flash, tftp new IOS/ASDM and startup-config and reload with some assurance that I don't end up with an 'electronic brick'?

Correct Answer
Jennifer Halim Thu, 04/29/2010 - 05:50
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  • Cisco Employee,

When you perform the reformat, it will repair the faulty file system. If that can't be repaired, you would need to replace the flash.

avdalen1974 Tue, 02/11/2014 - 04:54
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When you have issues with your flash, check your flash with fsck.

asafw# fsck disk0:

dosfsck 2.11, 12 Mar 2005, FAT32, LFN

/csco_config/97/bookmarks/Template

  Contains a free cluster (5131). Assuming EOF.

/csco_config/97/bookmarks/Template

  File size is 881 bytes, cluster chain length is 0 bytes.

  Truncating file to 0 bytes.

Reclaimed 4 unused clusters (32768 bytes) in 2 chains.


Performing changes.


/dev/hda1: 57 files, 12873/31180 clusters

fsck of disk0: complete

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