Re: lug-bg: Kernel panic timeout (LILO)
- Subject: Re: lug-bg: Kernel panic timeout (LILO)
- From: danchev@email.domain.hidden (George Danchev)
- Date: Sat, 17 May 2003 20:32:48 +0300
On 17 05 2003 19:41, Plamen Tonev wrote:
<em class="quotelev1">> On Sat, 17 May 2003 18:22:06 +0300
<em class="quotelev1">> George Danchev <danchev_at_spnet.net> wrote:
<em class="quotelev1">>
<em class="quotelev1">>
<em class="quotelev2">> >
<em class="quotelev2">> > Prodylzhavam ot tam deto stigna Velin ... i /proc/sys/kernel/panic =/= 0
<em class="quotelev2">> > kernel-a ste reboot-ne, sled koeto ste e neobhodimo nqkak si da e ukazno
<em class="quotelev2">> > na machine-a BIOS da booti ot hard-a tam ... sled koeto ide OS
<em class="quotelev2">> > loader-a... Ako da kazhem riskoviq kernel image NE e default-nat v
<em class="quotelev2">> > lili.conf (see default <image>), to sled delay <sec/10> bi trqbvalo
<em class="quotelev2">> > boot-ne default kernel image-a, kojto da kazhem e po-robust ;-) ...
<em class="quotelev2">> > eventualni stops biha bili pri incidentno spirane na sistemata, fsck na /
<em class="quotelev2">> > ... Ako si e ext3fs v jounnal mode ORDERED, to mozhesh spokojno da
<em class="quotelev2">> > skip-nesh check-a stoto ext3 ORDERED vinagi e v consistent state:
<em class="quotelev2">> >
<em class="quotelev2">> > A feature of e2fsck is that it will regularly force a check of a
<em class="quotelev2">> > filesystem even if the filesystem is marked clean. Typically,
<em class="quotelev2">> > this happens on every twentieth mount or every 180 days, whichever comes
<em class="quotelev2">> > first.
<em class="quotelev2">> >
<em class="quotelev2">> > This still happens with ext3, and is quite possibly not what you
<em class="quotelev2">> > want to happen - one of the reasons you chose ext3 was to avoid the
<em class="quotelev2">> > downtime
<em class="quotelev2">> > which is caused by a long fsck.
<em class="quotelev2">> >
<em class="quotelev2">> > So it is a good idea to turn this feature off for ext3.
<em class="quotelev2">> > To distable use the command
<em class="quotelev2">> >
<em class="quotelev2">> > tune2fs -i 0 /dev/hdxx
<em class="quotelev2">> >
<em class="quotelev2">> >
<em class="quotelev2">> > Sled kato se log-nesh posle vse pak ste napravish edin fsck zastoto, dori
<em class="quotelev2">> > i v consistent state fs-a mozhe da sydyrzha inodes na ve4e
<em class="quotelev2">> > nesystestvuvasti files, koeto ne e opasno, no e izlishen bokluk ...
<em class="quotelev2">> > Obratnoto e opasno data t.e. files bez asociirani inodes ... (ask
<em class="quotelev2">> > foldoc.org for fs inode, cqlata info za file-a se pazi tam;-)
<em class="quotelev2">> >
<em class="quotelev1">>
<em class="quotelev1">>
<em class="quotelev1">> Úúúúì îê Äàí÷åâ ;-), àìà íå ðàçáðàõ ñàìî òîâà êàêâî îáùî èìà?.
<em class="quotelev1">>  ñìèñúë òàêúâ quest-à â ñëó÷àÿ ñå íàìèðà â òîâà êàê äà ñìåíèø default
<em class="quotelev1">> kernel-à ñëåä åäèí íåóñïåøåí reboot. ...úúúì...ñåãà ïðî÷åòîõ çà 5-òè ïúò
<em class="quotelev1">> ïèñìîòî è çàáåëÿçàõ ÷å ãîâîðèø çà remote machine boot ìîæå áè èìàø ïðåäâèä
<em class="quotelev1">> äà ñå èçïîëçâà boot ïðåç lan êàðòàòà ..ò.å ïîäðåäáàòà â BIOS-à äà å Network
<em class="quotelev1">> Boot, HDD0 è ò.í
Íå ;-) Àç òè ãî íàïèñàõ òàêà:
Ako da kazhem riskoviq kernel image NE e default-nat v lilî.conf (see default
<image>), to sled delay <sec/10> bi trqbvalo boot-ne default kernel image-a,
kojto da kazhem e po-robust ;-) ...
Àìà ñå îòïëåñíàõ ñ äðóãè ðàáîòè è çàáðàâèõ lilo -R drugimagelabel ;-)
Àëåêñàíäúð îïðàâè ðàáîòàòà êàòî îáàäè ãîòîâà ÷àñò îò lilo.conf è lilo -R
label-na-safe-image.
Òîâà êîåòî ñòàâà íà ïðàêòèêà å ÷å â boot record-a êîéòî ùå ñå èçïúëíè
ñëåäâàùèÿ ïúò (ïðè reboot) å çàïèñàí ãîòîâ boot command line ... "áóóòíè
íàïðàâî òîÿ ëèíóêñ èìèäæ" ;-) ... Àìà àç ñè ïîìèñëèõ, ÷å òàçè ìàøèíà å remote
çà òåá (ò.å ëîãâàø ñå îòäàëå÷å), íå ÷å áóóòâàø ïî ìðåæàòà ... ;-) ... çà òâà
øàðíàõ ìàëêî îïàñåíèÿ êîèòî ìîãàò äà prevent remote login-a îò òâîÿ ñòðàíà...
--
pub 4096R/0E4BD0AB 2003-03-18
1AE7 7C66 0A26 5BFF DF22 5D55 1C57 0C89 0E4B D0AB <keyserver.bu.edu>
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