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.
next prev parent 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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