Date: Thu, 4 Aug 2011 13:52:18 +0300 From: Dmitry Zamaruyev <dmitry.zamaruyev@zoral.com.ua> To: "Steven Hartland" <killing@multiplay.co.uk>, <freebsd-geom@freebsd.org> Subject: Re: SSD and gmirror Message-ID: <20110804135218.5b75211f@ghost.kharkov.zoral.com.ua> In-Reply-To: <D05FA406A75B437891A7AFEC56724D70@multiplay.co.uk> References: <20110804130014.0df63364@ghost.kharkov.zoral.com.ua> <D05FA406A75B437891A7AFEC56724D70@multiplay.co.uk>
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SSD will be attached to Intel ESB2 chip, that using standard ata/ahci drivers (I guess): atapci1: <Intel 63XXESB2 SATA300 controller> port 0x18a0-0x18a7,0x1874-0x1877,0x1878-0x187f,0x1870-0x1873,0x1880-0x189f mem 0xd8500800-0xd8500bff irq 19 at device 31.2 on pci0 atapci1: AHCI called from vendor specific driver atapci1: AHCI v1.10 controller with 6 3Gbps ports, PM supported В Thu, 4 Aug 2011 11:33:01 +0100 "Steven Hartland" <killing@multiplay.co.uk> пишет: > Be aware that you need to be using ata or another driver which > supports this for it to work even on a standard disk. > > ----- Original Message ----- > From: "Dmitry Zamaruyev" > > > > Hello list, > > > > I'm looking for clarification regarding gmirror/geom behavior in > > current 8-STABLE. > > I want to use couple of SSD drives in mirror RAID configuration with > > UFS on top. I know that UFS now supports TRIM (BIO_DELETE) on plain > > disks. > > But will gmirror propagate BIO_DELETE event to lower driver, so both > > SSDs will get trimmed when UFS issue this command? > > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. > and the person or entity to whom it is addressed. In the event of > misdirection, the recipient is prohibited from using, copying, > printing or otherwise disseminating it or any information contained > in it. > > In the event of misdirection, illegible or incomplete transmission > please telephone +44 845 868 1337 or return the E.mail to > postmaster@multiplay.co.uk. > -- Best regards, Dmitry Zamaruyev, System administrator.
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