From: "Derek Ross" <dross@iders.ca>
To: <linux-mtd@lists.infradead.org>
Subject: Is realtime logging possible?
Date: Fri, 8 Feb 2002 15:37:19 -0600 [thread overview]
Message-ID: <007701c1b0e8$c90a9620$87657bc8@athlon> (raw)
Hello,
Our product will have a slow-realtime logging
component in it, and I'm trying to find out if
flash will be capable of handling it.
We'll be logging about 6 bytes once a second into
flash. The maximum blocking duration for a write
should be 0.1 second or less.
I understand that sector erases in flash take lots
of time, but it's possible to do erases in the
background, so that if you organize the writes not
to interfere with the erases (always different sectors)
you won't have long blocking issues.
The technical details are:
CDB89712 (rev B) development board.
Flash TE28F320 B Jedec, not CFI
Will later be using C for final product, which is CFI
Kernel is 2.4.6-rmk1-rayl1, and we also have 2.4.16-rmk2
We can upgrade mtd drivers if necessary.
Thanks,
Derek Ross.
next reply other threads:[~2002-02-08 21:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-08 21:37 Derek Ross [this message]
2002-02-09 1:31 ` Is realtime logging possible? David Woodhouse
2002-02-09 15:07 ` Derek Ross
2002-02-09 20:46 ` David Woodhouse
2002-02-10 15:51 ` kira brown
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