Date: Mon, 1 Aug 2005 18:51:20 -0700 From: Colin King <ring_06@m202.net> To: Justin Finkelstein <justin@redwiredesign.com> Cc: freebsd-current@freebsd.org Subject: Re: Hot-swap SATA and atacontrol Message-ID: <20050802015120.GA43118@xenon.m202.net> In-Reply-To: <000c01c596ba$83abe050$0b02a8c0@justin> References: <20050801162615.GA40704@xenon.m202.net> <000c01c596ba$83abe050$0b02a8c0@justin>
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[-- Attachment #1 --] Only if your filesystem is unstable. Using atacontrol reloads the drive's information in the kernel, it doesn't affect the filesystem. Of course, you always want to unmount before swapping out a drive. On Mon, Aug 01, 2005 at 06:00:17PM +0100, Justin Finkelstein wrote: > Thanks; and just use fsck to check consistency? > > -----Original Message----- > From: Colin King [mailto:ring_06@m202.net] > Sent: 01 August 2005 17:26 > To: Justin Finkelstein > Subject: Re: Hot-swap SATA and atacontrol > > > I've been able to hot-swap regular IDE drives this way, but some > motherboards and BIOSes don't like that. If this works for you, I'd say go > for it. > > On Mon, Aug 01, 2005 at 04:33:24PM +0100, Justin Finkelstein wrote: > > Hi > > > > I'm trying to find out about the safety of hot-swappable sata devices > > when not using a raid configuration. What I'd like is to be able to > > remove a hot-swap drive while the system's powered up. > > > > The drive has its own sata channel, so I issue the following commands: > > > > umount /dev/ad2s1d - to dismount the drive > > atacontrol detach 1 - to stop all further ata commands going to the > > device > > > > This appears to work just fine, but I'd like a second opinion. > > > > Any thoughts? > > > > j. > > > > Redwire Design Limited > > Studio 12 > > 37 Tanner Street > > London SE1 3LF > > [ www.redwiredesign.com ] > > [ 020 7403 1444 ] - voice > > [ 020 7378 8711 ] - fax > > > > > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to > > "freebsd-current-unsubscribe@freebsd.org" > > -- > Colin King > http://www.m202.net/ > > 010000110110111101101110011001110111001001100001 > 011101000111010101101100011000010111010001101001 > 011011110110111001110011001011000010000001111001 > 011011110111010100100000011001100110111101110101 > 011011100110010000100000011101000110100001100101 > 001000000111001101100101011000110111001001100101 > 011101000010000001101101011001010111001101110011 > 011000010110011101100101001011100010000001011001 > 011011110111010100100000011101110110100101101110 > 001000000110110101111001001000000110010001100101 > 011001010111000000100000011000010110010001101101 > 011010010111001001100001011101000110100101101111 > 011011100010000001100001011011100110010000100000 > 011100100110010101110011011100000110010101100011 > 0111010000101110 > -- Colin King http://www.m202.net/ 010000110110111101101110011001110111001001100001 011101000111010101101100011000010111010001101001 011011110110111001110011001011000010000001111001 011011110111010100100000011001100110111101110101 011011100110010000100000011101000110100001100101 001000000111001101100101011000110111001001100101 011101000010000001101101011001010111001101110011 011000010110011101100101001011100010000001011001 011011110111010100100000011101110110100101101110 001000000110110101111001001000000110010001100101 011001010111000000100000011000010110010001101101 011010010111001001100001011101000110100101101111 011011100010000001100001011011100110010000100000 011100100110010101110011011100000110010101100011 0111010000101110 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) Comment: Signed from MercuryIV iD8DBQFC7tGX/snj4TV8XCERAoYJAKC50sjjZKsx2EJAOLDLCcUgATxKEQCdEKcF H2IQxDhSy11MiAlmXmg64QY= =twyc -----END PGP SIGNATURE-----help
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