* [gentoo-user-ru] root on nfs
@ 2011-09-08 8:35 Nikita Kipriyanov
2011-09-08 9:17 ` Nikita Kipriyanov
0 siblings, 1 reply; 3+ messages in thread
From: Nikita Kipriyanov @ 2011-09-08 8:35 UTC (permalink / raw
To: gentoo-user-ru
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Здравствуйте
Пытаюсь сделать бездисковую ноду, с корневой ФС на NFS-сервере.
Делал по инструкции http://www.gentoo.org/doc/en/diskless-howto.xml, с
поправками на baselayout2 (а именно - в части конфигурации сети).
Возникла следующая проблема: ядро при старте монтирует / в режиме ro;
впоследствии, его никак не удаётся перемонтировать в rw. Если эту же
самую ФС монтировать с livecd, с другого компа, или даже с этого же, но
с помощью mount.nfs из пакета net-fs/nfs-utils, всё отлично монтируется
и перемонтируется в любых режимах.
В документации ядра нашёл опцию debugnfsroot, но эта опция нисколько не
помогла. Эта опция пишет в dmesg подробности при каждом монтировании
nfs, но про режим ro/rw там ничего не пишется.
--
Никита Киприянов, ООО "Р-Терминал"
Тел.: +7 (473) 2000111, 2404243, доб. 913
E-mail: merlin@rterm.ru
Jabber ID: merlin@rterm.ru
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [gentoo-user-ru] root on nfs
2011-09-08 8:35 [gentoo-user-ru] root on nfs Nikita Kipriyanov
@ 2011-09-08 9:17 ` Nikita Kipriyanov
2011-09-09 9:43 ` Peter Volkov
0 siblings, 1 reply; 3+ messages in thread
From: Nikita Kipriyanov @ 2011-09-08 9:17 UTC (permalink / raw
To: gentoo-user-ru
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08.09.2011 12:35, Nikita Kipriyanov пишет:
> Здравствуйте
не дописал и случайно отправил
команда mount -o remount,rw / отрабатывает без ошибок, но фактически
ничего не выполняется и в /proc/mounts остаётся ro.
ядро 2.6.39-r3
фрагмент dmesg, соответствующий процессу монтирования, во вложении
прямо из этой же системы команда mount
192.168.168.15:/var/spool/netroot/bb1661j>/mnt -t nfs -o
rw,sync,hard,intr,nolock,rsize=8192,wsize=8192,vers=3
--
Никита Киприянов, ООО "Р-Терминал"
Тел.: +7 (473) 2000111, 2404243, доб. 913
E-mail: merlin@rterm.ru
Jabber ID: merlin@rterm.ru
[-- Attachment #2: dmesg.txt --]
[-- Type: text/plain, Size: 4420 bytes --]
[ 2.626008] Sending DHCP requests .
[ 2.917260] tg3 0000:03:06.0: eth0: Link is up at 100 Mbps, full duplex
[ 2.917386] tg3 0000:03:06.0: eth0: Flow control is on for TX and on for RX
[ 2.917566] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 5.693005] ., OK
[ 5.708008] IP-Config: Got DHCP answer from 192.168.168.254, my address is 192.168.168.67
[ 6.213319] IP-Config: Complete:
[ 6.213388] device=eth0, addr=192.168.168.67, mask=255.255.255.0, gw=192.168.168.254,
[ 6.213585] host=192.168.168.67, domain=office.rterm.ru, nis-domain=(none),
[ 6.213710] bootserver=192.168.168.254, rootserver=192.168.168.15, rootpath=
[ 6.214047] Root-NFS: nfsroot=/var/spool/netroot/bb1661j,nolock
[ 6.214144] NFS: nfs mount opts='udp,nolock,nolock,addr=192.168.168.15'
[ 6.214215] NFS: parsing nfs mount option 'udp'
[ 6.214283] NFS: parsing nfs mount option 'nolock'
[ 6.214350] NFS: parsing nfs mount option 'nolock'
[ 6.214416] NFS: parsing nfs mount option 'addr=192.168.168.15'
[ 6.214493] NFS: MNTPATH: '/var/spool/netroot/bb1661j'
[ 6.214560] NFS: sending MNT request for 192.168.168.15:/var/spool/netroot/bb1661j
[ 6.217132] NFS: received 1 auth flavors
[ 6.217199] NFS: auth flavor[0]: 1
[ 6.217268] NFS: MNT request succeeded
[ 6.217333] NFS: using auth flavor 1
[ 6.218997] VFS: Mounted root (nfs filesystem) readonly on device 0:11.
[ 6.219105] Freeing unused kernel memory: 380k freed
[ 7.988666] udev[231]: starting version 164
[ 10.686401] NFS: nfs mount opts='hard,intr,nolock,rsize=8192,wsize=8192,vers=3,addr=192.168.168.15'
[ 10.686409] NFS: parsing nfs mount option 'hard'
[ 10.686413] NFS: parsing nfs mount option 'intr'
[ 10.686416] NFS: ignoring mount option 'intr'
[ 10.686418] NFS: parsing nfs mount option 'nolock'
[ 10.686422] NFS: parsing nfs mount option 'rsize=8192'
[ 10.686430] NFS: parsing nfs mount option 'wsize=8192'
[ 10.686434] NFS: parsing nfs mount option 'vers=3'
[ 10.686439] NFS: parsing nfs mount option 'addr=192.168.168.15'
[ 12.309346] NFS: nfs mount opts='hard,intr,nolock,rsize=8192,wsize=8192,addr=192.168.168.15,vers=3,proto=tcp,mountvers=3,mountproto=udp,mountport=33130'
[ 12.309354] NFS: parsing nfs mount option 'hard'
[ 12.309358] NFS: parsing nfs mount option 'intr'
[ 12.309361] NFS: ignoring mount option 'intr'
[ 12.309363] NFS: parsing nfs mount option 'nolock'
[ 12.309367] NFS: parsing nfs mount option 'rsize=8192'
[ 12.309374] NFS: parsing nfs mount option 'wsize=8192'
[ 12.309379] NFS: parsing nfs mount option 'addr=192.168.168.15'
[ 12.309387] NFS: parsing nfs mount option 'vers=3'
[ 12.309392] NFS: parsing nfs mount option 'proto=tcp'
[ 12.309398] NFS: parsing nfs mount option 'mountvers=3'
[ 12.309403] NFS: parsing nfs mount option 'mountproto=udp'
[ 12.309408] NFS: parsing nfs mount option 'mountport=33130'
[ 12.309415] NFS: MNTPATH: '/usr/portage'
[ 12.309418] NFS: sending MNT request for 192.168.168.15:/usr/portage
[ 12.310444] NFS: received 1 auth flavors
[ 12.310447] NFS: auth flavor[0]: 1
[ 12.310459] NFS: MNT request succeeded
[ 12.310462] NFS: using auth flavor 1
[ 125.363333] NFS: nfs mount opts='hard,intr,nolock,rsize=8192,wsize=8192,addr=192.168.168.15,vers=3,proto=tcp,mountvers=3,mountproto=udp,mountport=33130'
[ 125.363341] NFS: parsing nfs mount option 'hard'
[ 125.363345] NFS: parsing nfs mount option 'intr'
[ 125.363348] NFS: ignoring mount option 'intr'
[ 125.363350] NFS: parsing nfs mount option 'nolock'
[ 125.363353] NFS: parsing nfs mount option 'rsize=8192'
[ 125.363361] NFS: parsing nfs mount option 'wsize=8192'
[ 125.363366] NFS: parsing nfs mount option 'addr=192.168.168.15'
[ 125.363373] NFS: parsing nfs mount option 'vers=3'
[ 125.363378] NFS: parsing nfs mount option 'proto=tcp'
[ 125.363384] NFS: parsing nfs mount option 'mountvers=3'
[ 125.363389] NFS: parsing nfs mount option 'mountproto=udp'
[ 125.363394] NFS: parsing nfs mount option 'mountport=33130'
[ 125.363401] NFS: MNTPATH: '/var/spool/netroot/bb1661j'
[ 125.363404] NFS: sending MNT request for 192.168.168.15:/var/spool/netroot/bb1661j
[ 125.364158] NFS: received 1 auth flavors
[ 125.364161] NFS: auth flavor[0]: 1
[ 125.364172] NFS: MNT request succeeded
[ 125.364175] NFS: using auth flavor 1
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [gentoo-user-ru] root on nfs
2011-09-08 9:17 ` Nikita Kipriyanov
@ 2011-09-09 9:43 ` Peter Volkov
0 siblings, 0 replies; 3+ messages in thread
From: Peter Volkov @ 2011-09-09 9:43 UTC (permalink / raw
To: gentoo-user-ru
В Чтв, 08/09/2011 в 13:17 +0400, Nikita Kipriyanov пишет:
> 08.09.2011 12:35, Nikita Kipriyanov пишет:
> команда mount -o remount,rw / отрабатывает без ошибок, но фактически
> ничего не выполняется и в /proc/mounts остаётся ro.
А /etc/mtab является символической ссылкой на /proc/mounts?
Так же может быть этот топик поможет:
http://forums.gentoo.org/viewtopic-t-818883.html
--
Peter.
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