Ðàçìûøëåíèÿ îá èñïîëüçîâàíèè ôàéëîâ pre-* è post-* â íîâûõ ïðîøèâêàõ Îëåãà

[andyqp]

Èçâèíèòå, åñëè ÷òî íå ïîíÿë - ÿ â ýòîé ñôåðå òîòàëüíûé ÷àéíèê: ïðîáëåìà â òîì, ÷òî êàêèå-òî ñ ôàéëñèñòåìîé ñâÿçàííûå ïðîöåññû äîëæíû çàïóñêàòüñÿ ïîñëå òîãî, êàê óñòàíîâèëîñü âðåìÿ? Èç òðýäà ïîíÿë (ïî äèñêóññèÿì, íà êàêîé ñåêóíäå âðåìÿ ïîïðàâëÿåòñÿ), ÷òî óñòàíîâêà âðåìåíè ïðîèñõîäèò àñèíõðîííî ñ ïðîöåññîì ìîíòèðîâàíèÿ.
Òîãäà ïî÷åìó íåëüçÿ ïðîñòî (?) íàïèñàòü öûêë (ñ îãðàíè÷åíèåì íà, ñêàæåì, ìèíóòó), êîòîðûé â íóæíîì ìåñòå æäåò, ïîêà íå óñòàíîâèòñÿ date?
Åñëè èäåÿ ãîäèòñÿ - êèíüòå ñþäà ðåçóëüòàò ïîæàëóéñòà. ß ïîêà åùå ñàì íå ñóìåþ êðàñèâî íàïèñàòü (ñì. íà÷àëî).

Ñïàñèáî,
Andris

[Contemplator]

Соглашаюсь, я отчаявшийся дилетант, а Вы славно потрудились и разложили все по полочкам. Но, тем е менее вопрос остается открытым и думаю без в вмешательства Олега врядли разрешится...
Сорри за флуд.

P.S. Для себя проблему решил проще - sleep 1 первой строкой в pre-mount:

Jan 1 02:00:06 dhcp client: deconfig: lease is lost
Jan 1 02:00:06 udhcpc[94]: Lease of 91.149.xxx.9 obtained, lease time 86400
Feb 5 14:01:51 dnsmasq[73]: read /etc/hosts - 5 addresses
Feb 5 14:01:51 dnsmasq[73]: reading /tmp/resolv.conf
Feb 5 14:01:51 dnsmasq[73]: using nameserver 213.184.238.25#53
Feb 5 14:01:51 dnsmasq[73]: using nameserver 213.184.238.6#53
Feb 5 14:01:52 dhcp client: bound IP : 91.149.xxx.9 from 91.149.xxx.1
Feb 5 14:01:52 dropbear[114]: Running in background
Feb 5 14:01:54 kernel: usb_control/bulk_msg: timeout
Feb 5 14:01:54 kernel: usb.c: USB device not accepting new address=2 (error=-145)
Feb 5 14:01:54 kernel: hub.c: new USB device 01:03.2-3, assigned address 3
Feb 5 14:01:54 kernel: scsi0 : SCSI emulation for USB Mass Storage devices
Feb 5 14:01:54 kernel: Vendor: USB-HS Model: HITACHI_DK23DA-3 Rev: 0.01
Feb 5 14:01:54 kernel: Type: Direct-Access ANSI SCSI revision: 02
Feb 5 14:01:54 kernel: Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
Feb 5 14:01:55 kernel: SCSI device sda: 58605120 512-byte hdwr sectors (30006 MB)
Feb 5 14:01:55 kernel: Partition check:
Feb 5 14:01:55 kernel: p1 p2 p3
Feb 5 14:02:01 ntp client: Synchronizing time with pool.ntp.org ...
Feb 5 14:02:03 e2fsck: /dev/discs/disc0/part1: clean, 83/3476160 files, 1042621/6948112 blocks

так кто ж все-таки время получает?....

[Oleg]

Åñòü ïðîñòîé âàðèàíò: íóæíî ïðîñòî îòêëþ÷èòü ïðîâåðêó ïî ïðîõîæäåíèþ "ñëèøêîì áîëüøîãî âðåìåíè" (ýòî íàì íå àêòóàëüíî, âðÿä ëè ó êîãî-òî àïòàéì ðîóòåðà áóäåò ãîä). È âñ¸.

Ïîñìîòðåòü òåêóùèå íàñòðîéêè ìîæíî òàê:
tune2fs -l /dev/discs/disc0/part1

Çàïðåòèòü ïîäîáíóþ ïðîâåðêó:
tune2fs -i 0 /dev/discs/disc0/part1

[al37919]

Î! ßäðåíûòü! Õîòåëè Îëåãà --- ïîëó÷àéòå: http://wl500g.info/showpost.php?p=81358&postcount=54

[Vofik]

Äàéòå ïîæàëóéñòà ñêðèïò äëÿ ïðîâåðêè äèñêà (àâòîïðîâåðêà, äëÿ cron)
1. pre-shutdown
2. îòìîíòèðîâàòü disk0_1
3. ïðîâåðèòü äèñê
4. åñëè ïðîâåðêà ïðîøëà óñïåøíî, òî ñìîíòèðîâàòü îáðàòíî disk0_1 è âûïîëíèòü post-mount
5. åñëè íåò - ìèãàòü äèîäîì ïèòàíèÿ (ïðîãà pwrled)

ÂÑÅ îïèðàöèè äîëæíû èìåòü ËÎÃÈ, æåëàòåëüíî â /tmp/proverka

Êòî íàïèøåò ñåé ÷óäíûé ÷óäíûé ñêðèïò?

[Serge_K]

Äàéòå ïîæàëóéñòà ñêðèïò äëÿ ïðîâåðêè äèñêà (àâòîïðîâåðêà, äëÿ cron)
1. pre-shutdown
2. îòìîíòèðîâàòü disk0_1
3. ïðîâåðèòü äèñê
4. åñëè ïðîâåðêà ïðîøëà óñïåøíî, òî ñìîíòèðîâàòü îáðàòíî disk0_1 è âûïîëíèòü post-mount
5. åñëè íåò - ìèãàòü äèîäîì ïèòàíèÿ (ïðîãà pwrled)

ÂÑÅ îïèðàöèè äîëæíû èìåòü ËÎÃÈ, æåëàòåëüíî â /tmp/proverka

Êòî íàïèøåò ñåé ÷óäíûé ÷óäíûé ñêðèïò?

Ëó÷øå âñåãî âñå ñäåëàòü ïî îáðàçó è ïîäîáèþ òîãî, êàê îïèñàë íàø Ãóðó:
http://wl500g.info/showthread.php?t=...EB%E5%ED%E8%FF

[Serge_K]

Ó ìåíÿ ôàéë pre-shutdown âûøåë òàêèì:

#! /bin/sh

/opt/etc/init.d/rc.unslung stop

for i in `awk '/ext3/{print($1)}' /etc/fstab`
do
  mount -o remount,ro $i
done

swapoff -a

sleep 5s 

À íå ïðàâèëüíåå çäåñü /proc/mounts âìåñòî /etc/fstab ?

[al37919]

âåðîÿòíî, äà.  ïðèíöèïå, ïîëàãàþ, ÷òî ïðîáëåìû â ëþáîì ñëó÷àå íåò, ò.ê. äàæå åñëè ìû áóäåì ïûòàòüñÿ ïåðåìîíòèðîâàòü êàêóþ òî ñòðîêó èç fstab, êîòîðàÿ íà ñàìîì äåëå íå ñìîíòèðîâàíà, òî áóäåò âûäàíî ñîîáùåíèå îá îøèáêå è ïðîäîëæèòñÿ âûïîëíåíèå îñòàëüíîãî. Îäíàêî, ïîñêîëüêó /proc/mount ñîäåðæèò ñïèñîê ðåàëüíî ñìîíòèðîâàííûõ íà äàííûé ìîìåíò ôñ, òî åãî èñïîëüçîâàíèå â äàííîì êîíòåêñòå äåéñòâèòåëüíî äîëæíî áûòü áîëåå êîððåêòíûì.

[angel_il]

êñòàòè, mount êîòîðûé ñòàâèòñÿ èç ipk ïàêåòà â opt, îí èñïîëüçóåò /etc/mtab à òàê êàê /opt/bin èäåò ïåðâûì â PATH òî ïðèøëîñü ñäåëàòü ñèìâîëè÷åñêóþ ññûëêó ñ ýòèì èìåíåì íà /proc/mounts èíà÷å mount èç opt ðóãàåòñÿ íà îòñóòñòâèå mtab

[ABATAPA]

êñòàòè, mount êîòîðûé ñòàâèòñÿ èç ipk ïàêåòà â opt, îí èñïîëüçóåò /etc/mtab à òàê êàê /opt/bin èäåò ïåðâûì â PATH òî ïðèøëîñü ñäåëàòü ñèìâîëè÷åñêóþ ññûëêó ñ ýòèì èìåíåì íà /proc/mounts èíà÷å mount èç opt ðóãàåòñÿ íà îòñóòñòâèå mtab

Ýòîò mount åùå è íåïðàâèëüíî îòîáðàæàåò èíôîðìàöèþ î ñìîíòèðîâàííûõ ñ îïöèåé '--bind' ðàçäåëàõ, íàïðèìåð, ïîñëå
$ mount --bind /tmp/mnt/disc0_1/opt /opt
îí ïîêàçûâàåò:
$ mount
...
/dev/discs/disc0/part1 on /tmp/mnt/disc0_1 type ext3 (rw,noatime)
/dev/discs/disc0/part1 on /opt type ext3 (rw,noatime)

Òîãäà êàê "âçðîñëûé" mount óìååò ïîêàçûâàòü òàê (ïîñëå mount --bind /etc /tmp/etc):
/etc on /tmp/etc type none (rw,bind)
õîòÿ `cat /proc/mounts` òîæå ïîêàçûâàåò
/dev/sda2 /tmp/etc ext3 rw,data=ordered 0 0
ò.å. íå óïîìèíàåò 'bind'.

[boby7]

Ïîñëå âñåõ ìàíèïóëÿöèé îïèñàíûõ â ïåðâûõ ïîñòàõ , ó ëîãå ïîÿâëÿåòñÿ ñîîáæåíèå

Mar 10 00:31:09 kernel: Out of Memory: Killed process 129 (e2fsck). 

Êàê èñïðàâèòü?

[al37919]

êàêîâ îáúåì äèñêà?

à âîîáùå â pre-mount ïåðåä öèêëîì ïðîâåðîê äîáàâèòü swapon -a

[boby7]

êàêîâ îáúåì äèñêà?

à âîîáùå â pre-mount ïåðåä öèêëîì ïðîâåðîê äîáàâèòü swapon -a

250G ____________________

[boby7]

êàêîâ îáúåì äèñêà?

à âîîáùå â pre-mount ïåðåä öèêëîì ïðîâåðîê äîáàâèòü swapon -a

Ñïàñèáî, âðîòå ïîëó÷èëîñü

[al37919]

ãäå òî äî 140-150 Ìá ïðîâåðêà ïðîõîäèò óñïåøíî áåç ïîäêëþ÷åíèÿ ñâîïà. Ïîòîì îòâàëèâàåòñÿ. ß ýòî íå ñðàçó ïîíÿë, ò.ê. ó ìåíÿ 120Ãá. Òåïåðü ïîäíîâèë ïåðâûé ïîñò.