From: Sven Heinicke <sven@research.nj.nec.com>
To: linux-kernel@vger.kernel.org
Subject: Configure.help entry for CONFIG_MD_MULTIPATH
Date: Thu, 8 Nov 2001 12:29:27 -0500 (EST) [thread overview]
Message-ID: <15338.49399.235530.229030@abasin.nj.nec.com> (raw)
I just spent a bit of time trying to figure out what Multipath I/O
support was because there was no Configure.help entry. Here is a
slightly modified description of it from Ingo Molnar first post of the
code. It would of saved me time if it was there.
$ diff -u Configure.copy.help Configure.help
--- Configure.copy.help Thu Nov 8 10:36:57 2001
+++ Configure.help Thu Nov 8 12:17:36 2001
@@ -1795,6 +1795,16 @@
If unsure, say Y.
+Multipath I/O support
+CONFIG_MD_MULTIPATH
+ Multipath-IO is the ability of certain devices to address the same
+ physical disk over multiple 'IO paths'. The code ensures that such
+ paths can be defined and handled at runtime, and ensures that a
+ transparent failover to the backup path(s) happens if a IO errors
+ arrives on the primary path.
+
+ If unsure, say N.
+
# AC tree only
Support for IDE Raid controllers
CONFIG_BLK_DEV_ATARAID
reply other threads:[~2001-11-08 17:29 UTC|newest]
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