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Re: System in Recovery Mode

From: Michael Monnerie <michael(dot)monnerie(at)it-management(dot)at>
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: System in Recovery Mode
Date: 2008-02-25 20:48:47
Message-ID: 200802252148.47760@zmi.at (view raw or flat)
Thread:
Lists: pgsql-admin
On Montag, 25. Februar 2008 Aaron Bono wrote:
> We did have a hard drive problem (errors on the drive) in the past
> and they had to swap out a drive.  It is a RAID configuration so no
> backup/restore was necessary.

Even with a RAID system, a broken hard drive that doesn't show that it's 
broken can cause severe data destroying: We've had this several times 
already, with different RAID and drive combinations, SATA and SCSI, 
doesn't matter. The symptom was that you write data to the drive, it 
says OK, but upon reading you receive other data than you wrote. Even 
RAID 1/5/6 doesn't help you here.

Doesn't mean you have the same, but from what you wrote I just wanted to 
inform you that it's a fact that a single broken drive can destroy even 
a RAIDs data very nasty.

mfg zmi
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