Date: Wed, 17 Oct 2001 11:35:16 -0400 (EDT) From: carter@pair.com To: freebsd-hardware@freebsd.org Subject: soft updates, write cache Message-ID: <20011017153516.62503.qmail@smx.pair.com>
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Hello, I'm a bit unclear on the interactions of soft-updates and drive write cache. I hear one should disable the write cache on IDE/ATA drives when using soft-updates. However, I am unsure if this is something I can set with sysctl, or must use a utility from the drive manufacturer. I run 4.1.1 currently, and hw.ata.wc is not listed as a known oid with sysctl. As well, 5.x I understand will enable soft-updates by default. Should I trust that write caching is correctly disabled, or worry that my IDE device controlls this with its own BIOS? IBM for example, offers a separate tool to change the drive features. Thanks, Chris Carter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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