Root filesystem went Read- only mode

[Geofrey Rainey]

Umm, what has UPS info got to do with Oracle's inability to write to its
control file? 

-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of mark
Sent: Friday, 13 March 2009 1:25 p.m.
To: General Red Hat Linux discussion list
Subject: Re: Root filesystem went Read- only mode

Santosh Kumar wrote:
> Hope you are doing well.
> 
> Root filesystem went Read- only mode on production server. Please help

> me it happens on three different servers and twice on one server
within 10days.
> My Database is corrupted. I am using RHEL4 update 7 on some of 
> servers. Disk is SAN device.
> 
> There seems to be some problem in writing to control file below. 
> Oracle got terminated abruptly.
> Can anyone please look into it.

The control file error is that you've got the Oracle d/b on the SAN, and
the server's trying to write to the SAN, which is, you say, in r/o mode.

This is unlikely to be the SAN, IMO; I would really like to know things
like whether all your servers are on a UPS, and each have dual power
supplies,
*each* power supply on different circuits, NOT plugged into the same
one.

	mark

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