[CentOS] NTFS is more resilient than ext3? Or is it hardware issue?

Keith Roberts keith at karsites.net
Thu Aug 12 16:16:23 UTC 2010


On Thu, 12 Aug 2010, Benjamin Franz wrote:

> To: CentOS mailing list <centos at centos.org>
> From: Benjamin Franz <jfranz at freerun.com>
> Subject: Re: [CentOS] NTFS is more resilient than ext3? Or is it hardware
>     issue?
> 
> On 08/12/2010 01:55 AM, Fajar Priyanto wrote:
>> Hi guys,
>> I don't mean to incite debate or something, just want to share
>> experience and a little curiosity.
>>
>> Back long time ago, we have an old file MS W2K (NTFS) server where due
>> no admin was available to manage it, the server would get power off
>> when the office closed, and auto power on again in the morning. That
>> thing happened for years and it was fine ^^
>>
>> Recently, I setup a Centos 5.5 file server with ext3 and got power
>> blackout twice and I notice the filesystem got corrupted and also bad
>> sectors.
>>
>> Is it just pure random luck, software or hardware issue?
>> What's your experience?
>>
>
> I would say 'luck'. No common system is normally 100% safe against 'pull
> the plug' shutdowns. Also, it matters how much disk I/O the system is
> doing. A system that is idle will tolerate 'pull the plug' better than
> one actually doing something. Additionally, powering up and powering
> down is the hardest thing you can do to the *hardware*. Servers should
> be let run 7/24 - they last longer. Finally, if power failures are
> taking the machine down, buy a UPS and connect the monitoring cable. I
> like APC UPSs and apcupsd for monitoring it and automatically shutting
> the system if needed.

I'm using an APC Back-UPS 650 on my home-built server. It 
does the job well. When there's a dip in the mains voltage 
the UPS switches in and keeps things running. I have 
configured apcupsd to gracefully shut the machine down after 
a 5 second power outage.

That APC UPS has been running for about 6 years now, still 
no problems with it.

I get postcards from APC occasionally, asking if I'd like to 
trade in my UPS for a newer one. Not now thankyou ;)

Kind Regards,

Keith Roberts

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