Êàê çàôèêñèðîâàòü ïîðÿäîê USB íîñèòåëåé (fstab)?

[al37919]

êàê æåñòêî ïðîïèñàòü èõ ìîíòèðîâàíèå íà ðîóòåðå?

íèêàê. Íî ìîæíî ñäåëàòü ãåíåðàöèþ fstab ïðè çàãðóçêå. Ïðèìåðíî òàê:
http://wl500g.info/showpost.php?p=79119&postcount=249
http://www.wl500g.info/showpost.php?p=80436&postcount=3
http://wl500g.info/showthread.php?t=18485

[alien]

À ìîæíî ïîïðîñèòü âàðèàíò ñêðèïòà äëÿ ìîåãî ñëó÷àÿ?

Èìååòñÿ USB-flash ñ äâóìÿ ðàçäåëàìè. Îäèí swap ìîíòèðóåòñÿ â /swap.
Âòîðîé ext2 ìîíòèðóåòñÿ â /opt

Âèíò èìååò îäèí ðàçäåë, ìîíòèðóåòñÿ â /userdata

[bbsc]

alien, à ÷åì ïëîõ òîò ñêðèïò, ÷òî âûøå? Êîòîðûé "ñî ñâîïîì"?
Òîëüêî â hdd_guid âïèñàòü GUID îò ôëåøêè, à â flash_guid - GUID îò âèí÷åñòåðà. Òî÷êè ìîíòèðîâàíèÿ îòðåäàêòèðîâàòü âðîäå íåñëîæíî.

Ç.Û. Ðàäè ýñòåòèêè ìîæíî íàïðÿ÷üñÿ è ïîìåíÿòü èìåíà ïåðåìåííûõ ñàìîñòîÿòåëüíî.

Ç.Ç.Û. Ýòî ïëîõàÿ èäåÿ: ñâîï íà ôëåøêå, îñîáåííî åñëè åñòü âèíò.

[alien]

alien, à ÷åì ïëîõ òîò ñêðèïò, ÷òî âûøå? Êîòîðûé "ñî ñâîïîì"?
Òîëüêî â hdd_guid âïèñàòü GUID îò ôëåøêè, à â flash_guid - GUID îò âèí÷åñòåðà. Òî÷êè ìîíòèðîâàíèÿ îòðåäàêòèðîâàòü âðîäå íåñëîæíî.

Ç.Ç.Û. Ýòî ïëîõàÿ èäåÿ: ñâîï íà ôëåøêå, îñîáåííî åñëè åñòü âèíò.

Äà, ïðî ïîìåíÿòü GUID íå ïîäóìàë)

Ïî ñâîïó - âèíò "ïîòàñêóí". ß ïîñ÷èòàë, ÷òî íå áóäåò õîðîøî íåîæèäàííî ëèøàòü ðîóòåð ñâîïà. À ôëåøêà òàì íàâñåãäà ïîñåëèëàñü. Ñäîõíåò - âæèâèì äðóãóþ)

[igor77777]

Äà, ïðî ïîìåíÿòü GUID íå ïîäóìàë)

Ïî ñâîïó - âèíò "ïîòàñêóí". ß ïîñ÷èòàë, ÷òî íå áóäåò õîðîøî íåîæèäàííî ëèøàòü ðîóòåð ñâîïà. À ôëåøêà òàì íàâñåãäà ïîñåëèëàñü. Ñäîõíåò - âæèâèì äðóãóþ)

Òàê ïîñåëè swap íà îòäåëüíóþ ôëåøêó.
Îáèäíî áóäåò, êîãäà ñäîõíåò ôëåøêà ñ íàñòðîåííûåì ñîôòîì.

PS: ìîæåò ìíå íå ïîâåçëî ñ ôëåøêîé. ß òîæå õîòåë ïîìåñòèòü opt è swap íà îäíó ôëåøêó. Òàê ïîñëå óñòàíîâêè íåêîòîðîãî êîëëè÷åñòâà ïàêåòîâ - âñå ðóøèëîñü. Ïîñëå ïåðåíîñà swap íà âèíò, âñå ñòàëî ðàáîòàòü.

[alien]

Òàê ïîñåëè swap íà îòäåëüíóþ ôëåøêó.

Äâå ôëåøêè + âèíò... Íå çíàþ. Íå íàìåðåí ñòàâèòü ìíîãî ñîôòà, òîððåíò êëèåíò ïîæàëóé è âñ¸. Ìîæíî ñäåëàòü áýêàï.

[vladniktep]

AlekseyA, äà êàê çàïóñòèòü....

Çàïóñòèòü ôàéë íà èñïîëíåíèå:
/opt/tmp/vasya

.

À ó ìåíÿ ïî÷åìó òî íà ïîïûòêó çàïóñêà îòâå÷àåò ÷òî ôàéë íå íàéäåí. Õîòÿ ÿ åãî âèæó è ìîãó îòêðûâàòü äëÿ ðåäàêòèðîâàíèÿ.
×òî íå òàê?

[bbsc]

Âûâîä ñ êîíñîëè â ñòóäèþ.

[vladniktep]

Âûâîä ñ êîíñîëè â ñòóäèþ.

[.......@.... root]$ /opt/tmp/startUSB
-sh: /opt/tmp/startUSB: not found

[bbsc]

Óãó, à ÷òî ãîâîðèò ls -al /opt/tmp ?

[vladniktep]

Óãó, à ÷òî ãîâîðèò ls -al /opt/tmp ?

[...@... root]$ ls -al /opt/tmp
drwxr-xr-x 3 ... root 4096 Jun 5 15:44 .
drwxr-xr-x 18 ... root 4096 Jun 5 15:33 ..
drwxr-xr-x 2 ... root 4096 Apr 22 00:01 ipkg
-rwxr-xr-x 1 ... root 850 Jun 5 15:47 startUSB

[bbsc]

vladniktep, íå çíàþ. Âîçìîæíî, ïðîáåë â êîíöå èìåíè ôàéëà.

[zappa]

Ñäåëàë ñêðèïò, êîòîðûì ïîäìåíÿþ /sbin/hotplug.
Ïî ïóíêòàì:
1. Êîãäà ïðîèñõîäèò ñîáûòèå ïîäêëþ÷åíèÿ/îòêëþ÷åíèÿ æåëåçà, íàïðèìåð usb äåâàéñà, ÿäðî ñìîòðèò â íåêîòîðóþ âíóòðåííþþ ïåðåìåííóþ, è åñëè òàì åñòü ïóòü ê èñïîëíÿåìîìó ôàéëó, òî çàïóñêàåò ýòîò ôàéë, ïåðåäàâàÿ åìó â ïåðåìåííûõ îêðóæåíèÿ äàííûå î ïðîèñøåäøåì ñîáûòèè.
2. Äàííàÿ ïåðåìåííàÿ ýêñïîðòèðóåòñÿ ÷åðåç /proc/sys/kernel/hotplug Òóäà ìîæíî ïèñàòü ïóòè ê íàøèì ôàéëàì. Ïî óìîë÷àíèþ òóäà ïðîïèñàí ïóòü /sbin/hotplug
3. Èäåÿ â òîì, ÷òîáû äëÿ èíòåðåñóþùèõ íàñ ñîáûòèé âûïîëíÿëñÿ íàø ñêðèïò, à äëÿ âñåõ îñòàëüíûõ - áèíàðíûé ôàéë èç ïðîøèâêè. Ïîñëå èçó÷åíèÿ èñõîäíèêîâ ïðîøèâî÷íîãî âàðèàíòà ó ìåíÿ ñëîæèñëîìü âïå÷àòëåíèå, ÷òî íèêàêîãî îñîáåííîãî ðàçóìà òàì íåò. Íî äëÿ ñîâìåñòèìîñòè ñ áóäóùèìè âåðñèÿìè ïðîøèâîê, ãäå ýòîò ðàçóì ìîæåò ïîÿâèòüñÿ, ÿ çàïóñêàþ íà èñïîëíåíèå ïðîøèâî÷íûé âàðèàíò.
4. ß ðàçëîæèë âñ¸ íà òðè êóñêà: ôàéë /usr/local/sbin/hotplug - ñîáñòâåííî ïàðñåð ñîáûòèé è êîíôèãóðàöèè, ôàéë íàñòðîåê /ets/usbmassplug.conf è äîáàâêà â ñêðèïò /usr/local/sbin/post-boot, êîòîðàÿ ïðîïèñûâàåò ïóòü ê íàøåìó ñêðèïòó â ïåðåìåííóþ ÿäðà.
5. Ïîñëå äîáàâëåíèÿ ôàéëà /ets/usbmassplug.conf íå çàáûâàåì åãî äîïèñàòü â /usr/local/.files

Ñîäåðæèìîå ôàéëîâ - îòäåëüíûì ïîñòîì.

[zappa]

#!/bin/sh
SYSHOTPLUG=/sbin/hotplug
DEVICES=/proc/bus/usb/devices

#mkdir -p /tmp/debug/
#echo "======================================="  >> /tmp/debug/hotplug.log
#date  >> /tmp/debug/hotplug.log
# We process hotplugging for usb only
if [ "$1" != "usb" ]; then
    #echo "Not an usb event: $1" >> /tmp/debug/hotplug.log
    exec $SYSHOTPLUG;
fi

# INTERFACE  we are going to process is 8 for mass storage and 6 for SCSI
if [ "$INTERFACE" != "8/6/80" ]; then
    #echo "Not a mass-storage event: $INTERFACE" >> /tmp/debug/hotplug.log
    exec $SYSHOTPLUG;
fi

# We process only addition
if [ "$ACTION" != "add" ]; then
    #echo "Not an add event: $ACTION" >> /tmp/debug/hotplug.log
    exec $SYSHOTPLUG;
fi

# Sleep a little to let device to settle
sleep 1
# Now we are going to construct `Bus:' string to match in
# /proc/scsi/usb-storage-X/X. Thus we will now what device initiated event
# After split Bus=fds[3], Level=fds[5], Parent=fds[7], Port=fds[9] and
# DeviceId=fds[13]. Lines array indexed by strings bus/devid with values
# level/port/parent.
cat $DEVICES | awk '/^T:/ {
    split($0,fds,/[ =\t\n]+/);
    lines[sprintf("%d/%d",fds[3],fds[13])]=sprintf("%d/%d/%d",fds[5],fds[9],fds[7])
} 
END {
    split(ENVIRON["DEVICE"],dvals,"/");
    rbus=dvals[5];dnum=dvals[6];
    tlvl=0;
    do {
        if(!sprintf("%d/%d",rbus,dnum) in lines)
            exit 1;
        split(lines[sprintf("%d/%d",rbus,dnum)],lvals,"/");
        ++tlvl;
        ports[tlvl]=lvals[2];
        clvl=lvals[1];
        dnum=lvasl[3]
    }while(clvl>1);
    res=sprintf("Bus: 01:%02d.2-%d",rbus,ports[tlvl]+1);
    for(i=tlvl-1;i>0;--i)
        res=sprintf("%s.%d",res,ports[i]+1);
    #print "USB:",res >> "/tmp/debug/hotplug.log";
    hostnum=-1;
    for(i=0;i<4 && hostnum==-1;++i) {
        file=sprintf("/proc/scsi/usb-storage-%d/%d",i,i);
        #print "Processing file:",file >> "/tmp/debug/hotplug.log";
        while(0 < getline ums < file) {
            #print "\tLooking in string:",ums >> "/tmp/debug/hotplug.log";
            if(index(ums,"GUID:")) {
                split(ums,gid," ");
                guid=gid[2];
            }
            if(index(ums,res)) {
                hostnum=i;
                break;
            }
        }
    }
    #print "Host number",hostnum,"GIUD:",guid >> "/tmp/debug/hotplug.log";
    if(hostnum==-1)
        exit 0;
    guidstr=sprintf("^GUID:%s",guid);
    #print "Looking for: ",guidstr >> "/tmp/debug/hotplug.log";
    while(0 < getline conf < "/etc/usbmassplug.conf") {
        #print "Processing:",conf >> "/tmp/debug/hotplug.log";
        if(conf ~ guidstr) {
            #print "Found match!" >> "/tmp/debug/hotplug.log";
            split(conf,mp," ");
            if(mp[3]=="swap") {
                #printf("swapon /dev/scsi/host%d/bus0/target0/lun0/part%d\n",hostnum,mp[2]) >> "/tmp/debug/hotplug.log";
                system(sprintf("swapon /dev/scsi/host%d/bus0/target0/lun0/part%d",hostnum,mp[2]));
            } else {
                #printf("mount -t %s -o %s /dev/scsi/host%d/bus0/target0/lun0/part%d %s\n",mp[4],mp[5],hostnum,mp[2],mp[3]) >> "/tmp/debug/hotplug.log";
                system(sprintf("mount -t %s -o %s /dev/scsi/host%d/bus0/target0/lun0/part%d %s",mp[4],mp[5],hostnum,mp[2],mp[3]));
            }
        }
    }
}'

 àòòà÷å - àðõèâ, â êîòîðîì äåáàã ìåñòàìè ðàñêîììåíòèðîâàí. Äëÿ óäîáñòâà.

Ïîÿñíåíèÿ: ïî áîëüøåé ÷àñòè ïîâåäåíèå ñêðèïòà îáúÿñíåíî â êîììåíòàðèÿõ. Ñêðèïò ïàðñèò /proc/bus/usb/devices, âîññòàíàâëèâàåò ïî ýòîìó ôàéëó òîïîëîãèþ ïîäêëþ÷åíèÿ äåâàéñîâ, íàõîäèò òî÷êó ïîäêëþ÷åíèÿ äëÿ äåâàéñà, ñãåíåðèðîâàâøåãî ñîáûòèå è èùåò ñðåäè mass-storage äåâàéñîâ ñâåæå ïîäêëþ÷¸ííîãî. Ïîñëå ýòîãî âûíèìàåò èç êîíôèãóðàöèè âñå òî÷êè ìîíòèðîâàíèÿ è âûïîëíÿåò mount è swapon.

[zappa]

Èíòåðåñóþùèå ñòðî÷êè â /usr/local/sbin/post-boot âûãëÿäÿò ñëåäóþùèì îáðàçîì:

# make sure mass-storage modules loaded
insmod scsi_mod
insmod sd_mod
insmod usb-storage
# redirect mass-storage addition to our script
echo "/usr/local/sbin/hotplug" > /proc/sys/kernel/hotplug

Ôàéë êîíôèãóðàöèè /etc/usbmassplug.conf âûãëÿäèò ñëåäóþùèì îáðàçîì:

# Add lines in following format:
# GUID:guid part_num mount_point type options
# guid is value from string GUID: from /proc/scsi/usb-storage-X/X
# part_num is a number of partition starting with 1
# mount_point is mount point dir or special value `swap'
# type is filesystem type (for swap mount points is ignored)
# options are mount options as passed to mount (ignored for swap)
GUID:152d232900005e07ffffffff 1 /mnt ext3 rw,noatime
GUID:058f63870000000195631602 1 /opt ext3 rw,noatime
GUID:058f63870000000195631602 2 swap

Âîëüíûé ïåðåâîä: ôîðìàò ñòðî÷åê ñëåäóþùèé
GUID:èäåíòèôèêàòîð_óñòðîéñòâà íîìåð_÷àñòè òî÷êà_ìîíòèðîâàíèÿ òèï_ñèñòåìû ïàðàìåòðû
èäåíòèôèêàòîð_óñòðîéñòâà ÷èòàåì äëÿ íàøèõ óñòðîéñòâ èç ôàéëîâ /proc/scsi/usb-storage-X/X â ñòðî÷êå, íà÷èíàþùåéñÿ ñ GUID:
íîìåð_÷àñòè - íîìåð ðàçäåëà íà íàøåì óñòðîéñòâå, íà÷èíàÿ ñ åäèíèöû
òî÷êà_ìîíòèðîâàíèÿ - ïóòü ê äèððåêòîðèè èëè ñïåöèàëüíîå çíà÷åíèå swap äëÿ ñâîï ðàçäåëîâ
òèï_ñèñòåìû - òèï ôàéëîâîé ñèñòåìû, íàïðèìåð ext3
ïàðàìåòðû - ïàðàìåòðû ìîíòèðîâàíèÿ, íàïðèìåð rw,noatime
Äëÿ ñâîï ðàçäåëîâ òèï_ñèñòåìû è ïàðàìåòðû èãíîðèðóþòñÿ