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From: Cory Coager <ccoager@gmail.com>
To: Roberto Spadim <roberto@spadim.com.br>, linux-raid@vger.kernel.org
Subject: Re: support for external persistent cache
Date: Tue, 18 Jan 2011 22:34:58 -0500	[thread overview]
Message-ID: <4D365BE2.9020300@gmail.com> (raw)
In-Reply-To: <AANLkTim3BJVbHdtByAni2ObUf0Qjece9jkd1_MSkT56P@mail.gmail.com>

On 01/18/2011 10:17 PM, Roberto Spadim wrote:
> reading again... should you use a good ups system with information
> about % of batery, like a notebook?
> read/write cache can be change with async or sync options on filesystem mount
> batery support is done with ups system
> maybe with some time of use (10 years) the baterry of you ramdisk
> should be replaced, will you replace it? is easier replace a ups
> batery or a ramdisk specific batery?
> check at internet about 12vdc atx power supply, and use a charger and
> a car batery to supply power to your computer, it's a very nice
> solution =)
Sure, I'll replace the battery in the ram disk.  Not much different than 
a hardware raid card with a battery in it.

I think you're missing my point.  A UPS isn't going to save your file 
system if the machine dies mid-write.


  reply	other threads:[~2011-01-19  3:34 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-19  3:06 support for external persistent cache Cory Coager
2011-01-19  3:12 ` Roberto Spadim
2011-01-19  3:17   ` Roberto Spadim
2011-01-19  3:34     ` Cory Coager [this message]
2011-01-19 15:19       ` Roberto Spadim
2011-01-19 15:52         ` Cory Coager
2011-01-19 16:16           ` Roberto Spadim
2011-01-19 16:17             ` Roberto Spadim
2011-01-19 16:20               ` Roberto Spadim
2011-01-19 16:29             ` Cory Coager
2011-01-19 16:44               ` Roberto Spadim
2011-01-19 16:57                 ` Roberto Spadim
2011-01-19 17:04                   ` Roberto Spadim
2011-01-19 17:19                     ` Cory Coager
2011-01-19 17:22                       ` Roberto Spadim
2011-01-19 17:02                 ` Cory Coager
2011-01-19 17:09                   ` Roberto Spadim
2011-01-19 17:15                     ` Roberto Spadim
2011-01-19 17:20                       ` Roberto Spadim
2011-01-19 17:29                       ` Cory Coager
2011-01-19 17:37                         ` Roberto Spadim

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