Date: Tue, 4 Oct 2011 12:15:13 -0700 From: Garrett Cooper <yanegomi@gmail.com> To: Freddie Cash <fjwcash@gmail.com> Cc: Alexander Motin <mav@freebsd.org>, lev@freebsd.org, current@freebsd.org, freebsd-geom@freebsd.org Subject: Re: RFC: Project geom-events Message-ID: <71B3C40A-29FA-4965-AEC0-DEAE65276F5B@gmail.com> In-Reply-To: <CAOjFWZ4WHPD6EwZ_6mqYuz5d0Bi8DFN=GDUga8phNm%2BsEfRvhw@mail.gmail.com> References: <1927112464.20111004220507@serebryakov.spb.ru> <CAOjFWZ4WHPD6EwZ_6mqYuz5d0Bi8DFN=GDUga8phNm%2BsEfRvhw@mail.gmail.com>
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On Oct 4, 2011, at 11:12 AM, Freddie Cash wrote: > 2011/10/4 Lev Serebryakov <lev@freebsd.org> >=20 >> One thing is missed from software RAIDs is spare drives and state >> monitoring (yes, I know, that geom_raid supports spare drivers for >> metadata formats which supports them, but it not universal solution). >>=20 >=20 > Sounds impressive! Will be very useful for those using GEOM-based = RAID > (gmirror, gstripe, graid3, graid5, etc). >=20 > Just curious: would the geom-events framework, and in particular the > geom-events script, be useful for ZFS setups, for initiating = replacements > and providing "hot-spare" support? Work in the zfsd project branch already seems to do this = properly. Please note that some HBAs (like mps) don't play well with = hotswap on some branches, whereas others (mfi) might, depending on how = things are coded up and chipset support. Thanks, -Garrett=
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