[FUG-BR] Raid 5 no FreeBSD
Luiz Gustavo S. Costa
luizgustavo em luizgustavo.pro.br
Segunda Outubro 17 16:38:53 BRST 2011
putz.. é mesmo, como raid5 foi parar no virtualbox?
rsrsrsrs
Em 17 de outubro de 2011 15:49, Eduardo Schoedler <listas em esds.com.br> escreveu:
> Acho que a discussão está fugindo um pouco do assunto...
> Que tal criar outra thread ?
>
>
> Em 17 de outubro de 2011 15:46, Otavio Augusto <otavioti em gmail.com>escreveu:
>
>> Se vc quiser um BSD usaunbdo Xen como dom0 tente o NetBSD.
>>
>>
>> Em 17 de outubro de 2011 15:39, Marcelo Gondim <gondim em bsdinfo.com.br>
>> escreveu:
>> > Em 17/10/2011 11:55, Marcelo Gondim escreveu:
>> >> Em 17/10/2011 10:31, Luiz Gustavo Costa escreveu:
>> >>> Bom dia,
>> >>>
>> >>> João, o post do cara lá tá totalmente errado, não existe port do KVM (o
>> >>> mesmo usado em Linux) para o FreeBSD, ele cita uma instalação do Qemu
>> com
>> >>> o modulo de kernel para aceleração Kqemu, que não tem nada haver com o
>> KVM
>> >>>
>> >>> O VirtualBox é beeeem mais rapido que o qemu+kqemu
>> >> Luiz no virtualbox do FreeBSD não dá pra instalar esse aqui não né?
>> >> Oracle_VM_VirtualBox_Extension_Pack-4.1.4-74291.vbox-extpack
>> >>
>> >> Tentei fazer o install dele mas deu esse erro:
>> >>
>> >> (root em zeus)[/storage/data]# VBoxManage extpack install
>> >> Oracle_VM_VirtualBox_Extension_Pack-4.1.4-74291.vbox-extpack
>> >> 0%...
>> >> Progress state: NS_ERROR_FAILURE
>> >> VBoxManage: error: Failed to install
>> >>
>> "/storage/data/Oracle_VM_VirtualBox_Extension_Pack-4.1.4-74291.vbox-extpack":
>> >> Failed to locate the main module ('VBoxPuelMain')
>> >
>> > Acabei de ver que não é suportado no FreeBSD. :D Do resto está
>> > funcionando aqui certinho. Estou até instalando uma VM aqui com Windows
>> > XP para teste.
>> > Valeu pela ajuda pessoal.
>> >
>> >>
>> >>> via /usr/ports/UPDATING:
>> >>>
>> >>> 20091206:
>> >>> AFFECTS: users of emulators/qemu
>> >>> AUTHOR: nox em FreeBSD.org
>> >>>
>> >>> The port has been updated to 0.11.1, which no longer enables kqemu
>> by
>> >>> default (if built with KQEMU knob on), now you also have to
>> explicitly
>> >>> pass -enable-kqemu (or -kernel-kqemu as with the previous
>> versions)
>> >>> if you want to use it. Also note the 0.11 stable branch is the
>> last
>> >>> qemu branch that still supports kqemu, so if you depend on
>> reasonably
>> >>> fast emulation on FreeBSD you should start looking for
>> alternatives
>> >>> some time soon. (VirtualBox?)
>> >>>
>> >>> KVM = http://wiki.qemu.org/KVM
>> >>> KQEMU = http://wiki.qemu.org/KQEMU
>> >>>
>> >>>
>> >>> Em Mon, 17 Oct 2011 09:17:41 -0200, João Mancy<joaocep em gmail.com>
>> >>> escreveu:
>> >>>
>> >>>> bom dia,
>> >>>>
>> >>>> Se não me engano tem um port do KVM
>> >>>>
>> >>>> http://www.linux-kvm.org/page/BSD
>> >>>>
>> >>>> http://www.sufixo.com/raw/2009/06/08/kvm-on-freebsd-72/
>> >>>>
>> >>>> Fica a dica, e um abraço.
>> >>>>
>> >>>>
>> >>>>
>> >>>> Em 16 de outubro de 2011 11:49, Marcelo Gondim
>> >>>> <gondim em bsdinfo.com.br>escreveu:
>> >>>>
>> >>>>> Em 16/10/2011 01:38, Josias L.G escreveu:
>> >>>>>> http://wiki.freebsd.org/BHyVe
>> >>>>>>
>> >>>>>> Em breve algo melhor do que Xen.
>> >>>>> Cool !!! Não sabia desse projeto. Vou ficar de olho nele, porque é
>> uma
>> >>>>> área que o FreeBSD ainda não se destacou. O que mais vejo são
>> servidores
>> >>>>> Debian usando Xen rodando como dom0 e aí sim outros sistemas como
>> domU
>> >>>>> rodando com excelente performance.
>> >>>>>
>> >>>>> Se o BHyVe ficar melhor com certeza novos horizontes se abrirão. :)
>> >>>>>> Abraços.
>> >>>>>>
>> >>>>>> Em 15/10/2011, às 23:41, Marcelo Gondim escreveu:
>> >>>>>>
>> >>>>>>> Em 15/10/2011 23:03, Thiago Damas escreveu:
>> >>>>>>>> Que tipo de aplicacao usara estes discos? Ja pensou em fazer
>> um
>> >>>>> RAID
>> >>>>>>>> 10 com zfs?
>> >>>>>>> Opa Thiago,
>> >>>>>>>
>> >>>>>>> No momento para hospedagem de algumas aplicações mas pensei em
>> criar
>> >>>>> um
>> >>>>>>> servidor de VMs. No entanto parece que para isso o que temos de
>> >>>>> melhor
>> >>>>>>> seria o Virtualbox pelo jeito.
>> >>>>>>> Pena que ainda não temos grandes opções para essa tarefa ou estou
>> >>>>> enganado?
>> >>>>>>> Estive procurando por Xen no FreeBSD e pelo visto só trabalha como
>> >>>>> domU
>> >>>>>>> e não como dom0.
>> >>>>>>>
>> >>>>>>>> Thiago
>> >>>>>>>>
>> >>>>>>>> Em 15 de outubro de 2011 21:32, Marcelo
>> >>>>> Gondim<gondim em bsdinfo.com.br>
>> >>>>> escreveu:
>> >>>>>>>>> Em 15/10/2011 16:54, Luiz Gustavo Costa escreveu:
>> >>>>>>>>>> Buenas Marcelo !!!
>> >>>>>>>>>>
>> >>>>>>>>>> Rapaz, vinum... usei muito na familia 4.x do freebsd, era muito
>> >>>>> bom !
>> >>>>> mas
>> >>>>>>>>>> quando migra-mos para o 5.x ele não foi portado, até foi criado
>> o
>> >>>>> gvinum,
>> >>>>>>>>>> mas até algum tempo atras não estava estavel (falo isso mas eu
>> não
>> >>>>> sei
>> >>>>>>>>>> como esta o estado dele hoje).
>> >>>>>>>>>>
>> >>>>>>>>>> Eu faria o raid5 (raidZ) no zfs, mas existe uma outra opção
>> >>>>> chamada
>> >>>>> graid5
>> >>>>>>>>>> no ports, sinceramente nunca usei, mas pode-se testar:
>> >>>>>>>>> Pronto agora em raidz ;)
>> >>>>>>>>>
>> >>>>>>>>> (root em zeus)[~]# zpool status storage
>> >>>>>>>>> pool: storage
>> >>>>>>>>> state: ONLINE
>> >>>>>>>>> scan: none requested
>> >>>>>>>>> config:
>> >>>>>>>>>
>> >>>>>>>>> NAME STATE READ WRITE CKSUM
>> >>>>>>>>> storage ONLINE 0 0 0
>> >>>>>>>>> raidz1-0 ONLINE 0 0 0
>> >>>>>>>>> ad12 ONLINE 0 0 0
>> >>>>>>>>> ad14 ONLINE 0 0 0
>> >>>>>>>>> ad16 ONLINE 0 0 0
>> >>>>>>>>> ad18 ONLINE 0 0 0
>> >>>>>>>>>
>> >>>>>>>>> errors: No known data errors
>> >>>>>>>>>
>> >>>>>>>>> As vezes é tão fácil fazer as coisas no FreeBSD que a gente até
>> >>>>> duvida
>> >>>>>>>>> que realmente funcione. ahahahahaah
>> >>>>>>>>> Muito bom mesmo!!!
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>> [root em desktop] /usr/ports/sysutils/graid5# cat pkg-descr
>> >>>>>>>>>> FreeBSD GEOM class for RAID5.
>> >>>>>>>>>>
>> >>>>>>>>>> This is RAID5 geom class, originally written by Arne Worner
>> >>>>>>>>>> <arne_woerner em yahoo.com>
>> >>>>>>>>>>
>> >>>>>>>>>> WWW: http://lev.serebryakov.spb.ru/download/graid5/
>> >>>>>>>>>>
>> >>>>>>>>>> Abraços
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>> Em Sat, 15 Oct 2011 14:50:45 -0300, Marcelo Gondim<
>> >>>>> gondim em bsdinfo.com.br>
>> >>>>>>>>>> escreveu:
>> >>>>>>>>>>
>> >>>>>>>>>>> Olá Pesssoal,
>> >>>>>>>>>>>
>> >>>>>>>>>>> Estou aqui com 4 discos SATA II em uma máquina e resolvi fazer
>> um
>> >>>>> raid 5
>> >>>>>>>>>>> com eles. Usei o gvinum:
>> >>>>>>>>>>>
>> >>>>>>>>>>> drive r0 device /dev/ad12a
>> >>>>>>>>>>> drive r1 device /dev/ad14a
>> >>>>>>>>>>> drive r2 device /dev/ad16a
>> >>>>>>>>>>> drive r3 device /dev/ad18a
>> >>>>>>>>>>> volume raid5
>> >>>>>>>>>>> plex org raid5 512k
>> >>>>>>>>>>> sd drive r0
>> >>>>>>>>>>> sd drive r1
>> >>>>>>>>>>> sd drive r2
>> >>>>>>>>>>> sd drive r3
>> >>>>>>>>>>>
>> >>>>>>>>>>> Parece que foi tudo 100%. É realmente o gvinum usado para fazer
>> o
>> >>>>> raid 5
>> >>>>>>>>>>> ou existe alguma outra forma melhor no FreeBSD?
>> >>>>>>>>>>> Uma outra coisa que aparece no boot é essa mensagem:
>> >>>>>>>>>>>
>> >>>>>>>>>>> Oct 15 10:36:12 zeus kernel: GEOM_VINUM: raid5 plex request
>> >>>>> failed.
>> >>>>>>>>>>> gvinum/raid5[READ(offset=1500321938944, length=512)]
>> >>>>>>>>>>>
>> >>>>>>>>>>> Mas parece que está tudo funcionando:
>> >>>>>>>>>>>
>> >>>>>>>>>>> gvinum -> printconfig
>> >>>>>>>>>>> # Vinum configuration of zeus.linuxinfo.com.br, saved at Sat
>> Oct
>> >>>>> 15
>> >>>>>>>>>>> 14:48:59 2011
>> >>>>>>>>>>> drive r0 device /dev/ad12a
>> >>>>>>>>>>> drive r1 device /dev/ad14a
>> >>>>>>>>>>> drive r2 device /dev/ad16a
>> >>>>>>>>>>> drive r3 device /dev/ad18a
>> >>>>>>>>>>> volume raid5
>> >>>>>>>>>>> plex name raid5.p0 org raid5 1024s vol raid5
>> >>>>>>>>>>> sd name raid5.p0.s0 drive r0 len 976772096s driveoffset 265s
>> plex
>> >>>>>>>>>>> raid5.p0 plexoffset 0s
>> >>>>>>>>>>> sd name raid5.p0.s1 drive r1 len 976772096s driveoffset 265s
>> plex
>> >>>>>>>>>>> raid5.p0 plexoffset 1024s
>> >>>>>>>>>>> sd name raid5.p0.s2 drive r2 len 976772096s driveoffset 265s
>> plex
>> >>>>>>>>>>> raid5.p0 plexoffset 2048s
>> >>>>>>>>>>> sd name raid5.p0.s3 drive r3 len 976772096s driveoffset 265s
>> plex
>> >>>>>>>>>>> raid5.p0 plexoffset 3072s
>> >>>>>>>>>>>
>> >>>>>>>>>>> gvinum -> l
>> >>>>>>>>>>> 4 drives:
>> >>>>>>>>>>> D r0 State: up /dev/ad12a A:
>> >>>>> 0/476939
>> >>>>> MB
>> >>>>>>>>>>> (0%)
>> >>>>>>>>>>> D r1 State: up /dev/ad14a A:
>> >>>>> 0/476939
>> >>>>> MB
>> >>>>>>>>>>> (0%)
>> >>>>>>>>>>> D r2 State: up /dev/ad16a A:
>> >>>>> 0/476939
>> >>>>> MB
>> >>>>>>>>>>> (0%)
>> >>>>>>>>>>> D r3 State: up /dev/ad18a A:
>> >>>>> 0/476939
>> >>>>> MB
>> >>>>>>>>>>> (0%)
>> >>>>>>>>>>>
>> >>>>>>>>>>> 1 volume:
>> >>>>>>>>>>> V raid5 State: up Plexes: 1 Size:
>> >>>>> 1397
>> >>>>>>>>>>> GB
>> >>>>>>>>>>>
>> >>>>>>>>>>> 1 plex:
>> >>>>>>>>>>> P raid5.p0 R5 State: up Subdisks: 4 Size:
>> >>>>> 1397
>> >>>>>>>>>>> GB
>> >>>>>>>>>>>
>> >>>>>>>>>>> 4 subdisks:
>> >>>>>>>>>>> S raid5.p0.s0 State: up D: r0 Size:
>> >>>>> 465
>> >>>>>>>>>>> GB
>> >>>>>>>>>>> S raid5.p0.s1 State: up D: r1 Size:
>> >>>>> 465
>> >>>>>>>>>>> GB
>> >>>>>>>>>>> S raid5.p0.s2 State: up D: r2 Size:
>> >>>>> 465
>> >>>>>>>>>>> GB
>> >>>>>>>>>>> S raid5.p0.s3 State: up D: r3 Size:
>> >>>>> 465
>> >>>>>
>>
> -------------------------
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>
--
/\ Luiz Gustavo S. Costa
/ \ Programmer at BSD Perimeter
/ \ /\/\/\ Visit the pfSense Project
/ \ \ \ http://www.pfsense.org
---------------------------------------------------------------------
BSD da serra carioca, Teresopolis (visite: http://miud.in/Inv)
Contatos: luizgustavo em luizgustavo.pro.br / lgcosta em pfsense.org
Blog: http://www.luizgustavo.pro.br
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