Ïðîáëåìà ñ fstab

**ABATAPA** · 06-03-2008, 17:12

Originally Posted by al37919

cat /proc/scsi/usb-storage-0/0 | awk /GUID/'{print $2}' (âìåñòî /0 ìîæåò ñòîÿòü äðóãàÿ öèôðà)

Íàñêîëüêî áûëî áû ïðîùå, åñëè áû â ïðîøèâêå ïîÿâèëñÿ blkid...

**Vofik** · 06-03-2008, 17:16

ìîæíî è â post-boot, åñòü çàìå÷àòåëüíàÿ êîìàíäà sleep

**Vofik** · 06-03-2008, 21:20

êñòàòè, ó ìåíÿ íà áåòå, òàêàÿ ñòðàííîñòü åñòü - åñëè ôëåø è âèíò âîòêíóòü â õàá, à åãî â ðîóòåð, òî ÂÑÅÃÄÀ (íè ðàçó íå áûëî ïîäðóãîìó) îíè íå ìåíÿþòñüñÿ! ïîìåíÿòü èõ ìîæíî, ïîìåíÿâ ìåñòàìè â õàáå......... òàê, ÷òî äåëàéòå âûâîäû

**ADM 503** · 07-03-2008, 12:07

Originally Posted by djet

À íå ëó÷øå ëè ïîâåñèòü ýòî â pre-mount?

Ó ìåíÿ òàêîé:

PHP Code:


#!/bin/sh



SCRIPTNAME="${0##*/}"





logger -t ${SCRIPTNAME} "Started ${SCRIPTNAME}${*:+ $*}."



fstab="/etc/fstab";     fsopt="noatime,nodiratime,rw" 



sn_trscnd=B1S0QP3R;     mp_trscnd="/opt";       dev_trsnd=$(scsi add $sn_trscnd);

sn_fuj=D625100AD;       mp_fuj="/mnt";          dev_fuj=$(scsi add $sn_fuj);



[ -L $mp_fuj ] && rm $mp_fuj

[ ! -d $mp_fuj ] && mkdir $mp_fuj



echo "#device Mountpoint      FStype  Options Dump    Pass#" > $fstab 

[ -b $dev_trsnd ] && echo "$dev_trsnd/part1     $mp_trscnd      ext3    $fsopt  0       1" >> $fstab

[ -b $dev_fuj ] && echo "$dev_fuj/part2        $mp_fuj      ext3    $fsopt  0       0" >> $fstab

[ -b $dev_fuj ] && echo "$dev_fuj/part1        none    swap    sw  0       0" >> $fstab



[ -d /tmp/harddisk ] && rmdir /tmp/harddisk

ln -s /mnt /tmp/harddisk



swapon -a



PID="/var/run/pwrled.pid"

[ -r $PID ] && kill $(cat $PID);

/usr/local/bin/pwrled -c 0 -e 20 -d 20 -n 1 -bp $PID



for disc in `awk '/ext3/{print($1)}' /etc/fstab`

do   

     e2fsck -p $disc |  /usr/bin/logger -t e2fsck                 

done



[ -r $PID ] && kill $(cat $PID);

/usr/local/bin/pwrled -c 0 -e 60 -d 60 -n 1 -bp $PID

#/usr/local/bin/pwrled off



logger -t ${SCRIPTNAME} "Leaving ${SCRIPTNAME}."

...ñîçäàë /usr/local/sbin/pre-mount â íåãî ñêîïèðîâàë ñêðèïò. Èçìåíèë â íåì íàçâàíèå ôëýøêè è åå ñåðèéíèê. Â /usr/local/sbin/post-boot çàêîìåíòèðîâàë mount /dev/discs/disc0/part3 /tmp/harddisk Äàë êîìàíäó flashfs save && flashfs commit && flashfs enable && reboot Ïðîâåðèë... íå ðàáîòàåò

Ïðîêîìåíòèðóéòå ïîæàëóéñòà, ÷òî êàêàÿ ñòðîêà â ñêðèïòå äåëàåò. Îñîáåííî íåïîíÿòíî

sn_trscnd=B1S0QP3R; mp_trscnd="/opt"; dev_trsnd=$(scsi add $sn_trscnd);
sn_fuj=D625100AD; mp_fuj="/mnt"; dev_fuj=$(scsi add $sn_fuj);

Ñïàñèáî

**Vofik** · 07-03-2008, 18:48

îáîçíà÷àåò ÷òî è êóäà ìîíòèðóåòñÿ........ ïîìîåìó è äîãàòüñÿ ìîæíî áûëî........

**ADM 503** · 08-03-2008, 03:15

Originally Posted by Vofik

îáîçíà÷àåò ÷òî è êóäà ìîíòèðóåòñÿ........ ïîìîåìó è äîãàòüñÿ ìîæíî áûëî........

Íó ÿ è äîãàäàëñÿ. À áåç óïðåêîâ â íåçíàíèè sh ìîæíî? Ó ìåíÿ âñ¸ âïåðåäè. Íå âñå æå ãåíèÿìè ðîäèëèñü.
Êòîíèáóäü, ðàñïèøèòå ïîæàëóéñòà â ýòîì ñêðèïòå ÷òî åñòü ÷òî. Ó ìåíÿ íåçàðàáîòàëî, õîòåëàñü áû ïîíèìàòü ÷òî ïðîèñõîäèò. Â öåëîì ÿ ïîíÿë, íî íåêîòîðûå êîìàíäû ìíå íåïîíÿòíû. È çà÷àì òàì ïåðåìåííàÿ.

**Oleg** · 08-03-2008, 16:48

Originally Posted by djet

À íå ëó÷øå ëè ïîâåñèòü ýòî â pre-mount?

Ó ìåíÿ òàêîé:

À ÷òî òàêîå çà ïðîãðàììà scsi? Äóìàþ, ó ADM503 å¸ íåò.

**al37919** · 08-03-2008, 16:58

ïðåäëàãàþ ïåðåðàáîòàííûé âàðèàíò òîãî, ÷òî áûëî ïðåäëîæåíî íà íåñêîëüêî ïîñòîâ âûøå. Ýòî "ìèíèìàëèñòñêèé âàðèàíò" pre-mount --- òîëüêî òî, ÷òî íåîáõîäèìî äëÿ òîãî, ÷òîáû ðåøèòü âîïðîñ çàäàííûé â òåìå (åñòåñòâåííî, ñ èñïîëüçîâàíèåì ñêðèïòà scsi êîòîðûé áûë ïðèâåäåí âûøå).

Code:

#! /bin/sh

fstab="/etc/fstab"
ext3opt="noatime,rw"
 
sn_trscnd=B1S0QP3R; dev_trsnd=$(scsi add $sn_trscnd)
sn_fuj=D625100AD; dev_fuj=$(scsi add $sn_fuj)

echo "#device Mountpoint      FStype  Options Dump    Pass#" > $fstab  
[ -b $dev_trsnd ] && echo "$dev_trsnd/part1    /opt      ext3    $ext3opt  0       1" >> $fstab 
[ -b $dev_fuj ] && echo "$dev_fuj/part2    /mnt      ext3    $ext3opt  0       0" >> $fstab 
[ -b $dev_fuj ] && echo "$dev_fuj/part1    none    swap    sw  0       0" >> $fstab

Çäåñü sn_* --- ýòî Serial number îòñþäà:

Code:

cat /proc/scsi/usb-storage-0/0

äëÿ íåñêîëüêèõ óñòðîéñòâ ýòî ìîæåò áûòü ëèáî 0/1 ëèáî 1/0 (â îáùåì ñëó÷àå x/y , ãäå x >= 0; y >= 0) --- íàäî ïðîâåðèòü âñå âàðèàíòû (ïðè âñåõ âîçìîæíûõ ïîäêëþ÷åííûõ óñòðîéñòâàõ). Êîðî÷å --- ýòî óíèêàëüíûå èäåíòèôèêàòîðû ôèçè÷åñêèõ óñòðîéñòâ ïî êîòîðûì ìû îïðåäåëÿåì êòî åñòü êòî. Ïðèâåäåííûå èäåíòèôèêàòîðû transcend è fujitsu êîððåêòíû òîëüêî äëÿ djet. Êàæäûé äîëæåí ñîñòàâèòü ñïèñîê ñåðèéíûõ íîìåðîâ óñòðîéñò, êîòîðûå ìîãóò áûòü ïîäêëþ÷åíû ê åãî êîíêðåòíîé ñèñòåìå.

P.S. 2 Oleg: ñì. òðåòèé ïîñò òåìû

**djet** · 08-03-2008, 19:32

Ïðîøó ïðîùåíèÿ, â ñêðèïò âêðàëàñü îøèáêà, çàìåòèë êîòîðóþ òîëüêî ïîñëå ïåðåçàãðóçêè. Èñïðàâèòü ñëåäóåò ýòîò êóñîê:

echo "#device Mountpoint FStype Options Dump Pass#" > $fstab
[ -b $dev_trsnd/part1 ] && echo "$dev_trsnd/part1 $mp_trscnd ext3
[ -b $dev_fuj/part2 ] && echo "$dev_fuj/part2 $mp_fuj ext3 $fsopt 0
[ -b $dev_fuj/part1 ] && echo "$dev_fuj/part1 none swap sw 0 0" >

Çàáûë partx ïðè ïðîâåðêå [ -b ].

**ADM 503** · 11-03-2008, 18:04

Ëþäè äîáðûå ïîìîãèòå
1) ÷òî çíà÷èò -b ?

[ -b $dev_trsnd/part1 ] && echo "$dev_trsnd/part1 $mp....

2) Â /usr/local/sbin/post-boot

# mount /dev/discs/disc0/part3 /tmp/harddisk

Íî ïîñëå flashfs save && flashfs commit && flashfs enable && reboot â /tmp/harddisk <=

Êàê îíî òóäà ìîíòèðóåòñÿ? ß æ åå çàêîìåíòèë
3) Ïîïûòêà ïîäìîíòèðîâàòü HDD â ðó÷íóþ

[John@(none) root]$ /bin/mount -o sync,noatime,rw /dev/discs/disc0/part1 /tmp/harddisk
mount: Mounting /dev/discs/disc0/part1 on /tmp/harddisk failed: Invalid argument
[John@(none) root]$

ïîïûòêè ñìîíòèðîâàòü êóäà íèáóäü òèïà â /opt/hdd òîæå Invalid argument (ïàïêà /tmp/harddisk ñóùåñòâóåò)
! ß â linux è â sh íå ðàçáèðàþñü ! => ïðîñòî ïîìîãèòå ïîæàëóéñòà, íàä ñîáîé ÿ ñàì ïîòîì ïîñìåþñü

**djet** · 11-03-2008, 19:42

1) ïðîâåðêà íàëè÷èÿ áëî÷íîãî óñòðîéñòâà (äèñêà) ïî óêàçàííîìó ïóòè
2) ïîõîæå íà âñòðîåííóþ àâòîìîíòèðîâêó

Ïîñìîòðèòå ïîñëå çàãðóçêè ñîäåðæèìîå fstab (cat /etc/fstab) è ñäåëàéòå mount -a.

**ADM 503** · 12-03-2008, 01:14

[John@(none) root]$ mount -a
mount: Mounting /dev/discs/disc1/part1 on none failed: No such file or directory
mount: Mounting /dev/discs/disc1/part3 on /tmp/flashdisk failed: No such file or directory
mount: Mounting /dev/discs/disc0/part1 on /opt/hdd1 failed: No such device
mount: Mounting /dev/discs/disc0/part2 on /opt/hdd2 failed: No such device
[John@(none) root]$

Íà áîðòó ôëýøêà (disc1) ïîäìîíòèðîâàíà ïðàâåëüíî åñëè íå îáðàùàòü âíèìàíèå íà 2)

à âîò HDD (disc0)

fstab:

#device Mountpoint FStype Options Dump
/dev/discs/disc1/part1 none swap sw 0 0
/dev/discs/disc1/part2 /opt ext3 noatime,rw 0 0
/dev/discs/disc1/part3 /tmp/flashdisk ext3 noatime,rw 0 0
/dev/discs/disc0/part1 /opt/hdd1 ext2 noatime,rw 0 0
/dev/discs/disc0/part2 /opt/hdd2 ext2 noatime,rw 0 0

à ÷òî çíà÷àò 0 0 íà êîíöå?

**al37919** · 12-03-2008, 05:39

Òî÷êè ìîíòèðîâàíèÿ:
/tmp/flashdisk
/opt/hdd1
/opt/hdd2
äîëæíû áûòü ñóùåñòâóþùèìè äèðåêòîðèÿìè

Íà äâå öèôðû â êîíöå ìîæíî íå îáðàùàòü âíèìàíèÿ. Ýòî ÷àñòü ñòàíäàðòíîãî ñèíòàêñèñà fstab, êîòîðàÿ â íàøåì ñëó÷àå íå èñïîëüçóåòñÿ.

Äà êñòàòè, ext2 ïðîøèâêà Îëåãà íå ïîääåðæèâàåò.

**ADM 503** · 13-03-2008, 15:05

Ñêðèïòû çàðàáîòàëè, ñïàñèáî.
Ïûòàþñü ïðàâèëüíî âûñòðîèòü ñõåìó ìîíòèðîâàíèÿ. Â ïðîöåññå íàòêíóëñÿ íà íåïîíÿòíóþ ìíå âåùü. Çàêîììåíòèðîâàë ìîíòèðîâàíèå â pos-boot íî ïðè ýòîì âîïðåêè ìîèì ñòàðàíèÿì äèñêè ìîíòèðóþòñÿ â /tmp/harddisk õîòÿ ÿ óêàçàë /opt/flashdisk . Äóìàþ, ñðàáàòûâàåò àâòîìîíòèðîâàíèå, íî ÿ äóìàë ÷òî pos-boot ñðàáàòûâàåò äî ìîíòèðîâàíèÿ è ó ìåíÿ åñòü âîçìîæíîñòü ñìîíòèðîâàòü ïî ñâîåìó. Íå ïîíÿâ êåì/êîãäà/â êàêóþ î÷åðåäü ñòàðòóåò pre-mount, ñòàðòàíóë åãî èç pos-boot

.
Âîïðîñ: 1) ÷òî ó ìåíÿ ñî swap ? Îí âðîäå ðàáîòàåò, íî ïðè ýòîì îí ñìîíòèðîâàí 82 Linux swap /tmp/harddisk

2) êàê ïðàâèëüíî ìîíòèðîâàòü âîïðåêè àâòîìîíòèðîâàíèþ?
3) ñêðèïòàìè ñîçäà¸òñÿ fstab. Êàêàÿ èíôîðìàöèÿ â íåì ó÷èòûâàåòñÿ, êàê îí ó÷àñòâóåò â ïðîöåññàõ ìîíòèðîâàíèÿ? Âûõîäèò ñèñòåìà åãî çíàåò è îïðàøèâàåò?
4) Â ïàïêå /tmp/harddisk ïîñåëèëèñü êàêèåòî ôàéëû è áåçäîííàÿ ïàïêà /?.Ý_

Âûêëàäûâàþ ñâîè ìûòàðñòâà:

[John@(none) root]$ cat /usr/local/sbin/post-boot
#!/bin/sh
dropbear > /dev/null 2>&1

pre-mount

if [ ! -d /dev/discs ]
then
insmod scsi_mod && insmod sd_mod && insmod usb-storage && sleep 5s
fi

# mount /dev/discs/disc1/part2 /opt
i=0
while [ $i -le 30 ]
do
if [ -d /opt/etc ]
then
break
fi
sleep 1
i=`expr $i + 1`
done

# mount /dev/discs/disc1/part3 /tmp/harddisk

swapon /dev/discs/disc1/part1

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

echo "export TERMINFO=/opt/share/terminfo">>/etc/profile
echo "alias mc=\"mc -c\"">>/etc/profile

[John@(none) root]$ cat /usr/local/sbin/pre-mount

echo "#device Mountpoint FStype Options Dump Pass#" > $fstab
[ -e $dev_flashcard ] && echo "$dev_flashcard/part1 none swap sw 0 0" >> $fstab
[ -e $dev_flashcard ] && echo "$dev_flashcard/part2 /opt ext3 $ext3opt 0 0" >> $fstab
[ -e $dev_flashcard ] && echo "$dev_flashcard/part3 /opt/flashdisk ext3 $ext3opt 0 0" >> $fstab

[ -e $dev_hdd ] && echo "$dev_hdd/part1 /opt/hdd1 ext3 $ext3opt 0 0" >> $fstab
[ -e $dev_hdd ] && echo "$dev_hdd/part2 /opt/hdd2 ext3 $ext3opt 0 0" >> $fstab

John@(none) root]$ cat /etc/fstab

#device Mountpoint FStype Options Dump Pass#
/dev/discs/disc1/part1 none swap sw 0 0
/dev/discs/disc1/part2 /opt ext3 noatime,rw 0 0
/dev/discs/disc1/part3 /opt/flashdisk ext3 noatime,rw 0 0
/dev/discs/disc0/part1 /opt/hdd1 ext3 noatime,rw 0 0
/dev/discs/disc0/part2 /opt/hdd2 ext3 noatime,rw 0 0

[John@(none) root]$ df
Filesystem 1k-blocks Used Available Use% Mounted on
/dev/root 3008 3008 0 100% /
/dev/discs/disc1/part2 988244 37676 900368 4% /opt
/dev/discs/disc0/part1 19236308 131252 18127904 1% /opt/hdd1
/dev/discs/disc0/part2 57685564 131232 54624076 0% /opt/hdd2
/dev/discs/disc1/part1 1973952 375488 1598464 19% /tmp/harddisk
/dev/discs/disc1/part3 443376 8240 412244 2% /tmp/harddisk/part1

[John@(none) root]$ fdisk -l
Disk /dev/scsi/host0/bus0/target0/lun0/disc: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/scsi/host0/bus0/target0/lun0/part1 1 2433 19543041 83 Linux
/dev/scsi/host0/bus0/target0/lun0/part2 2434 9729 58605120 83 Linux

Disk /dev/scsi/host1/bus0/target0/lun0/disc: 2021 MB, 2021654016 bytes
255 heads, 63 sectors/track, 245 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/scsi/host1/bus0/target0/lun0/part1 1 63 506016 82 Linux swap
/dev/scsi/host1/bus0/target0/lun0/part2 64 188 1004062+ 83 Linux
/dev/scsi/host1/bus0/target0/lun0/part3 189 245 457852+ 83 Linux

Ñâîäíàÿ èíôîðìàöèÿ èç "fdisk -l" è "df":
/dev/scsi/host1/bus0/target0/lun0/part1 1 63 506016 82 Linux swap /tmp/harddisk
/dev/scsi/host1/bus0/target0/lun0/part2 64 188 1004062+ 83 Linux /opt
/dev/scsi/host1/bus0/target0/lun0/part3 189 245 457852+ 83 Linux /tmp/harddisk/part1

/dev/scsi/host0/bus0/target0/lun0/part1 1 2433 19543041 83 Linux /opt/hdd1
/dev/scsi/host0/bus0/target0/lun0/part2 2434 9729 58605120 83 Linux /opt/hdd2

[John@(none) root]$ free
total used free shared buffers
Mem: 127328 20080 107248 0 2732
Swap: 506008 0 506008
Total: 633336 20080 613256
[John@(none) root]$

P.S. ß îñîçíàë, ÷òî ñäåëàòü ïðèâÿçêó ïî ñåðèéíèêó ê disc0 èëè disc1 íåâîçìîæíî. Ò.å. ìîæíî çàñòàâèòü ñèñòåìó êîððåêòíî ìîíòèðîâàòü óñòðîéñòâà â çàâèñèìîñòè îò ñåðèéíèêà, ÷òî ìû è äåëàåì

×òî íàçûâàåòñÿ "ïîäõîä ñ äðóãîé ñòîðîíû"

**al37919** · 13-03-2008, 21:41

ß îñîçíàë, ÷òî ñäåëàòü ïðèâÿçêó ïî ñåðèéíèêó ê disc0 èëè disc1 íåâîçìîæíî

òî÷íî.

Êñòàòè, âåðñèÿ ïðîøèâêè? Ïîõîæå íå ïðåâüþ?

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