SPARC T-series servers (MOSC)

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Firmware update for T5140 - no fallback option?

edited Feb 5, 2018 4:06AM in SPARC T-series servers (MOSC) 1 commentAnswered ✓

This weekend I am upgrading my T5140 from version 7.4.0.d 2011/08/10 to version 7.4.11 2017/05/04.   I asked Oracle support if there was a way to back it out if it failed and they said no.  I think they indicated I would have to reinstall the old firmware using the same procedure - does that sound correct?

The server has Solaris 10 and a vm running Solaris 9.  This is because the application on the vm only runs on Solaris 9 and T5140 do not support Solaris 9.  I am worried about disaster recovery for the vm - does restoring the zfs for the vm recover this sytem?  It appears the previous admin used zfs and zpools for everything and used up all disk space so I can't mirror the root zpool.  Here is the configuration:

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