Re: [ANNOUNCE] Ramback: faster than a speeding bullet

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From: Alan Cox <alan@...>

To: Willy Tarreau <w@...>

Cc: Daniel Phillips <phillips@...>, David Newall <davidn@...>, <linux-kernel@...>

Subject: Re: [ANNOUNCE] Ramback: faster than a speeding bullet

Date: Saturday, March 15, 2008 - 4:56 pm

> RAID controllers do not have half a terabyte of RAM. Also, you are always
quoted text> invited to choose between speed (write back) and reliability (write through).

The write back ones are also battery backed properly, and will switched
to write through (flushing out the cache) on the first sniff of a low
battery signal.

The decent ones (the kind used in serious business) also let you swap the
battery backed RAM module to another card in the event of a failure of a
card so you can complete recovery.
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Messages in current thread:

[ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Mon Mar 10, 2:46 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Wed Mar 12, 8:01 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Wed Mar 12, 1:27 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Greg KH, (Tue Mar 11, 1:06 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 1:22 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Greg KH, (Tue Mar 11, 2:27 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Tue Mar 11, 1:48 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Chris Snook, (Mon Mar 10, 2:49 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Artur Skawina, (Mon Mar 10, 10:51 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Mon Mar 10, 5:22 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Mon Mar 10, 11:50 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Wed Mar 12, 9:11 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Wed Mar 12, 1:29 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Thu Mar 13, 1:39 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 2:14 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Thu Mar 13, 9:22 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 3:14 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Willy Tarreau, (Sat Mar 15, 4:59 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sat Mar 15, 4:56 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 5:25 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sat Mar 15, 5:08 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 5:51 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 5:17 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Sun Mar 16, 1:42 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Krzysztof Halasa, (Sun Mar 16, 6:15 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 6:38 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Krzysztof Halasa, (Sun Mar 16, 7:08 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 7:43 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 4:48 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Bernd Eckenfels, (Sat Mar 15, 7:18 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Willy Tarreau, (Sat Mar 15, 5:54 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 6:33 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Willy Tarreau, (Sat Mar 15, 7:22 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 11:33 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Krzysztof Halasa, (Sun Mar 16, 6:02 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sun Mar 16, 9:14 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Theodore Tso, (Sun Mar 16, 3:04 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Willy Tarreau, (Sun Mar 16, 2:56 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Krzysztof Halasa, (Sun Mar 16, 6:12 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Sun Mar 16, 1:24 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Ingo Oeser, (Sun Mar 16, 8:49 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Sat Mar 15, 7:22 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Krzysztof Halasa, (Sat Mar 15, 7:57 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sat Mar 15, 5:03 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 6:00 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sat Mar 15, 7:05 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 5:57 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Sun Mar 16, 9:31 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 10:42 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Sun Mar 16, 11:59 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Mon Mar 17, 1:52 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Mon Mar 17, 3:14 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Mon Mar 17, 4:25 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Pavel Machek, (Sun Mar 23, 5:33 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 23, 4:44 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Mon Mar 17, 2:56 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Mon Mar 17, 2:49 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Mon Mar 17, 4:16 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Mon Mar 17, 10:42 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Mon Mar 17, 1:23 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Willy Tarreau, (Mon Mar 17, 1:30 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Ric Wheeler, (Mon Mar 17, 9:52 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Mon Mar 17, 6:39 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sun Mar 16, 5:55 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 6:36 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Sun Mar 16, 6:46 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sun Mar 16, 7:39 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Mon Mar 17, 7:53 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Rik van Riel, (Thu Mar 13, 4:27 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 10:23 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, John Stoffel, (Fri Mar 14, 10:00 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Fri Mar 14, 1:22 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Fri Mar 14, 1:42 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Chris Friesen, (Wed Mar 12, 2:11 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Wed Mar 12, 6:56 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Thu Mar 13, 1:45 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 2:17 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Thu Mar 13, 2:32 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 3:12 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Thu Mar 13, 3:55 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 5:49 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 4:06 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Thu Mar 13, 4:39 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 5:16 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Pavel Machek, (Sat Mar 15, 4:18 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 4:51 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, , (Thu Mar 13, 12:25 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 3:32 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Thu Mar 13, 3:50 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 4:03 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Pavel Machek, (Sat Mar 15, 4:26 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 5:05 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Mike Snitzer, (Sat Mar 15, 4:40 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Jeff Moyer, (Fri Mar 14, 1:53 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Thu Mar 13, 2:30 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 2:50 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Pavel Machek, (Sat Mar 15, 9:32 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 4:22 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Pavel Machek, (Sat Mar 15, 5:33 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Sat Mar 15, 5:47 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, David Newall, (Thu Mar 13, 3:05 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 3:13 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Artur Skawina, (Tue Mar 11, 9:32 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Artur Skawina, (Tue Mar 11, 10:31 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Rik van Riel, (Mon Mar 10, 3:01 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 12:28 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Grzegorz Kulewski, (Mon Mar 10, 3:51 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Mon Mar 10, 4:23 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Alan Cox, (Mon Mar 10, 5:37 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Lars Marowsky-Bree, (Mon Mar 10, 5:03 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 7:14 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Lars Marowsky-Bree, (Tue Mar 11, 7:23 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 7:50 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Lars Marowsky-Bree, (Tue Mar 11, 5:56 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Ric Wheeler, (Thu Mar 13, 9:27 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 3:02 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Ric Wheeler, (Thu Mar 13, 3:12 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 3:38 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 7:30 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 7:02 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Matthias Schniedermeyer, (Thu Mar 13, 5:15 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Chris Friesen, (Tue Mar 11, 1:26 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 3:56 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Willy Tarreau, (Tue Mar 11, 4:53 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Wed Mar 12, 4:17 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Rik van Riel, (Thu Mar 13, 4:34 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Thu Mar 13, 10:20 pm)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Mike Snitzer, (Wed Mar 12, 10:41 am)

Re: [ANNOUNCE] Ramback: faster than a speeding bullet, Daniel Phillips, (Tue Mar 11, 12:23 am)

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