Âîïðîñ ïðî Swap (ñâîï)

**VadimVB** · 06-03-2006, 07:56

Âîïðîñ â ñëåäóþùåì.

Fdisk'îì áüþ ôëýøêó íà äâà ðàçäåëà. Ïåðâûé ïîä ñîôò âòîðîé swap

Ìå÷ó âòîðîé ðàçäåë êàê 82 òèï
ïîòîì
mkswap /dev/discs/disc0/part2
swapon /dev/discs/disc0/part2

Âîïðîñû:
1. mkswap íóæíî òîëüêî îäèí ðàç äåëàòü ?
2. Ýòè ñòðîêè êóäà â pre-boot èëè post-boot ?
3. íóæíî ëè ôîðìàòèðîâàòü ñâîï ðàçäåë ïåðåä mkswap ?
4. Åñëè íå çàïóñêàòü stupid-ftpd òî insmod scsi..... êóäà òîæå â pre-boot èëè â post-boot ?

5. Åñëè stupid-ftpd çàïóùåí òî êàê ñäåëàòü òàê ÷òîá ïðè àâòîìîíòèðîâêå â /tmp/harddisk íå ïîÿâëÿëñÿ êàòàëîã /part1 - êîòîðûé åñòü swap ðàçäåë? ×òîá åãî âîîáùå íå âèäíî áûëî?

**Oleg** · 06-03-2006, 11:19

1. îäèí
2. Swapon â post-boot, ïîñëå òîãî, êàê ìîäóëè çàãðóæåíû
3. íåò
4 .post
5. Íå äîëæíî ïîÿâëÿòüñÿ, åñëè íå óäà¸òñÿ ïîäìîíòèðîâàòü (à swap íå ñìîíòèðóåòñÿ)

**VadimVB** · 06-03-2006, 17:00

Originally Posted by Oleg

1. îäèí
2. Swapon â post-boot, ïîñëå òîãî, êàê ìîäóëè çàãðóæåíû
3. íåò
4 .post
5. Íå äîëæíî ïîÿâëÿòüñÿ, åñëè íå óäà¸òñÿ ïîäìîíòèðîâàòü (à swap íå ñìîíòèðóåòñÿ)

2. Â Âàøåì æå îòâåòå ãäåòî â ôîðóìå (àíãëèñêîì) âû ïèñàëè ÷òî â pre-boot :-)

5. Â òîì òî èô ôè÷à. mount ïèøåò òîëüêî ïðî îäèí ñìîíòèðîâàííûé ðàçäåë (part1) íî â tmp/harddisk êðîìå ftp_pub, ftp_pvt, lost+find ïîÿâëÿåòñÿ êàòàëîã part1 (êîòîðûé êàê ÿ ïîíèìàþ íàñàìîì äåëå part2)
Ïðè ýòîì åñëè íå ôîðìàòèðîâàòü âòîðîé ïàðòèøîí òî ïðè çàãðóçêå òîðìîçèò è ïîÿâëÿåòñÿ ñîîáùåíèå âîò òàêîå â ëîãå (ÿ ïðî usb_control/bulk_msg: timeout )

Ôëýøêà ðàçáèòà íà äâà ïðàéìåðè ðàçäåëà. Îòôîðìàòèðîâàí òîëüêî ïåðâûé. Íà ôòîðîé ñëäåëàí mkswap è â fdisk îí ïîìå÷åí êàê Linux Swap (82)

Code:

kernel: scsi0 : SCSI emulation for USB Mass Storage devices                
kernel:   Vendor: OTi       Model: Flash Disk        Rev: 2.00             
kernel:   Type:   Direct-Access                      ANSI SCSI revision: 02
kernel: Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0  
kernel: SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)            
kernel: sda: Write Protect is off                                          
kernel: Partition check:                                                   
kernel:  p1 p2                                                             
kernel: WARNING: USB Mass Storage data integrity not assured               
kernel: USB Mass Storage device found at 2                                 
kernel: USB Mass Storage support registered.                               
kernel: kjournald starting.  Commit interval 5 seconds                     
kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on sd(8,1), internal journal    
kernel: EXT3-fs: recovery complete.                                        
kernel: EXT3-fs: mounted filesystem with ordered data mode.                
USB storage: ext3 fs mounted to /tmp/harddisk                              
kernel: VFS: Can't find ext3 filesystem on dev sd(8,2).                    
kernel: MSDOS FS: Using codepage 950                                       
kernel: MSDOS FS: IO charset cp950                                         
kernel: FAT: bogus logical sector size 3081                                
kernel: VFS: Can't find a valid FAT filesystem on dev 08:02.               
kernel: FAT: freeing iocharset=cp950                                       
kernel: FAT: bogus logical sector size 3081                                
kernel: VFS: Can't find a valid FAT filesystem on dev 08:02.               
kernel: usb_control/bulk_msg: timeout                                      
kernel: usb_control/bulk_msg: timeout                                      
kernel: usb_control/bulk_msg: timeout                                      
kernel: usb_control/bulk_msg: timeout                                      
FTP server: daemon is started

**VadimVB** · 08-03-2006, 12:35

Originally Posted by VadimVB

5. Â òîì òî èô ôè÷à. mount ïèøåò òîëüêî ïðî îäèí ñìîíòèðîâàííûé ðàçäåë (part1) íî â tmp/harddisk êðîìå ftp_pub, ftp_pvt, lost+find ïîÿâëÿåòñÿ êàòàëîã part1 (êîòîðûé êàê ÿ ïîíèìàþ íàñàìîì äåëå part2 - swap)
Ïðè ýòîì åñëè íå ôîðìàòèðîâàòü âòîðîé ïàðòèøîí òî ïðè çàãðóçêå òîðìîçèò è ïîÿâëÿåòñÿ ñîîáùåíèå âîò òàêîå â ëîãå (ÿ ïðî usb_control/bulk_msg: timeout )

Ôëýøêà ðàçáèòà íà äâà ïðàéìåðè ðàçäåëà. Îòôîðìàòèðîâàí òîëüêî ïåðâûé. Íà ôòîðîé ñëäåëàí mkswap è â fdisk îí ïîìå÷åí êàê Linux Swap (82)

Code:

kernel: scsi0 : SCSI emulation for USB Mass Storage devices                
kernel:   Vendor: OTi       Model: Flash Disk        Rev: 2.00             
kernel:   Type:   Direct-Access                      ANSI SCSI revision: 02
kernel: Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0  
kernel: SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)            
kernel: sda: Write Protect is off                                          
kernel: Partition check:                                                   
kernel:  p1 p2                                                             
kernel: usb_control/bulk_msg: timeout                                      
kernel: usb_control/bulk_msg: timeout                                      
kernel: usb_control/bulk_msg: timeout                                      
kernel: usb_control/bulk_msg: timeout                                      
FTP server: daemon is started

Óæå ðàçîáðàëñÿ - îêàçàëîñü ÷òî êàêàÿòî íå ñîâìåñòèìîñòü ñ ýòîé ôëýøêîé ( ñì. âûøå OTi 512MB). Ýòè òàéìàóòû ëåçëè è ïîòîì ïðè ïîïûòêå íàïðèìåð êàòàëîã ñîçäàòü - à ïîòîì îíà âîîáùå îòâàëèâàëàñü. È âåñü ëîã áûë çàïîëíåí ÷òî òèïà I/o error sector xxxx.

Âîáùåì êóïèë ôëýøêó OCZ ñ íåé âñ¸ ïðåêðàñíî.
À OTi áóäó òàê èñïîëüçâîàòü - ôàéëî ïîä âèíäàìè íîñèòü. Õîòÿ æàëêî - îíà ìåäëåíåå ãîðàçäî ÷òî äëÿ Àñóñà ïîôèã à â îá÷ûíîé æèçíè ñêîðîñòü íå ïîìåøàëà áû

Ïðàâäà ïîñëå çàïóñêà stupid-ftpd âñ¸ ðàâíî â /tmp/harddisk ïîÿâëÿåòñÿ êàòàëîã part1. Íó è ÷¸ðò ñ íèì âñ¸ ðàâíî õî÷ó ïîñòàâèòü vsftpd è ìîíòèðîâàòü âñ¸ âðó÷íóþ.

**Oleg** · 08-03-2006, 15:42

Originally Posted by VadimVB

2. Â Âàøåì æå îòâåòå ãäåòî â ôîðóìå (àíãëèñêîì) âû ïèñàëè ÷òî â pre-boot :-)

Âèäèìî ýòî áûëî äëÿ ñëó÷àÿ çàãðóçêè ñ ôëåøêè.

5. Â òîì òî èô ôè÷à. mount ïèøåò òîëüêî ïðî îäèí ñìîíòèðîâàííûé ðàçäåë (part1) íî â tmp/harddisk êðîìå ftp_pub, ftp_pvt, lost+find ïîÿâëÿåòñÿ êàòàëîã part1 (êîòîðûé êàê ÿ ïîíèìàþ íàñàìîì äåëå part2)

Ýòî ñòðàííî. ß ãëÿíó, åñëè íå çàáóäó.

**VadimVB** · 08-03-2006, 16:19

Originally Posted by Oleg

Âèäèìî ýòî áûëî äëÿ ñëó÷àÿ çàãðóçêè ñ ôëåøêè.

Ýòî ñòðàííî. ß ãëÿíó, åñëè íå çàáóäó.

Âîò:

ls -la /tmp/harddisk

Code:

drwxr-xr-x    7 Admin    root         1024 Mar  8 19:01 .
drwxr-xr-x    1 Admin    root            0 Jan  1  2000 ..
drwxr-xr-x    2 Admin    root         1024 Mar  7 17:05 ftp_pub
drwxr-xr-x    2 Admin    root         1024 Mar  7 17:05 ftp_pvt
drwx------    2 Admin    root        12288 Mar  7 14:46 lost+found
drwxr-sr-x   10 Admin    root         1024 Nov  5 03:22 opt
drwxr-xr-x    2 Admin    root         1024 Jan  1  1970 part1

mount

Code:

/dev/root on / type squashfs (ro)
none on /dev type devfs (rw)
proc on /proc type proc (rw)
ramfs on /tmp type ramfs (rw)
usbfs on /proc/bus/usb type usbfs (rw)
/dev/discs/disc0/part1 on /tmp/harddisk type ext3 (rw,sync,noatime)
/dev/discs/disc0/part1 on /opt type ext3 (rw,sync,noatime)

fdisk -l

Code:

Disk /dev/scsi/host0/bus0/target0/lun0/disc: 524 MB, 524288000 bytes
17 heads, 59 sectors/track, 1020 cylinders
Units = cylinders of 1003 * 512 = 513536 bytes

                                 Device Boot    Start       End    Blocks   Id  System
/dev/scsi/host0/bus0/target0/lun0/part1               1         900      451320+  83  Linux
/dev/scsi/host0/bus0/target0/lun0/part2             901        1020       60180   82  Linux swap

À âîò èç ëîãà - âèäíî ÷òî íå ìîíòèðóåòñÿ ñâîï, îäíàêî.. ïîëó÷àåì òî ÷òî âûøå

Code:

kernel: scsi0 : SCSI emulation for USB Mass Storage devices                
kernel:   Vendor: OCZ       Model: ET1208AD          Rev: 1.0              
kernel:   Type:   Direct-Access                      ANSI SCSI revision: 02
kernel: Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0  
kernel: SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)            
kernel: sda: Write Protect is off                                          
kernel: Partition check:                                                   
kernel:  p1 p2                                                             
kernel: WARNING: USB Mass Storage data integrity not assured               
kernel: USB Mass Storage device found at 2                                 
kernel: USB Mass Storage support registered.                               
kernel: Adding Swap: 60172k swap-space (priority -1)                       
dropbear[109]: Running in background                                       
kernel: kjournald starting.  Commit interval 5 seconds                     
kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on sd(8,1), internal journal    
kernel: EXT3-fs: recovery complete.                                        
kernel: EXT3-fs: mounted filesystem with ordered data mode.                
kernel: VFS: Can't find ext3 filesystem on dev sd(8,2).                    
kernel: MSDOS FS: Using codepage 950                                       
kernel: MSDOS FS: IO charset cp950                                         
kernel: FAT: bogus logical sector size 0                                   
kernel: VFS: Can't find a valid FAT filesystem on dev 08:02.               
kernel: FAT: freeing iocharset=cp950                                       
kernel: FAT: bogus logical sector size 0                                   
kernel: VFS: Can't find a valid FAT filesystem on dev 08:02.               
FTP server: daemon is started

Ñîîáùåíèå î ìîíòèðîâêè ïåðâîé ïàðòèöèè â /tmp/harddisk íåòó ïîòîìó ÷òî ìîíòèðóåòñÿ âðó÷íóþ èç post-boot

**alexhemp** · 02-03-2007, 15:32

Oleg

Â÷åðà ðàçáèë ñâîé âèíò íà 80 ãèã íà 2 ðàçäåëà, îäèí - ïîä swap

Ïîñëå çàãðóçêè òîæå ïîÿâëÿåòñÿ êàòàëîã part1 â /tmp/harddisk

áûòü ìîæåò ýòî îò òîãî, ÷òî swap - âòîðîé ðàçäåë?

È åùå âîïðîñ - èìååò ñìûñë èñïîëüçîâàòü ïîä swap ôëåøêó íà 256 ìåòðîâ (âàëÿåòñÿ áåç äåëà) íà âòîðîì ïîðòó? Òîãäà ìîæíî áóäåò âèíò áåçîïàñíî îòêëþ÷àòü, ïðÿìî íà õîäó...

Èìååòñÿ ëè êàêîé-ëèáî ñêðèïò post-unmount - õî÷ó òóøèòü íåêîòîðûå ïðîöåññû, çàïóùåííûå èç /opt/etc/init.d (ïðè çàãðóçêå èç post-mount êîïèðîâàòü ñêàæåì â /tmp/etc/init.d èõ à ïîòîì òóøèòü ïðè âûäåðãèâàíèè âèíòà).

**alexanderm** · 17-09-2007, 08:07

WL500g Premium
Ïðîøèâêà 1.9.2.7-7g

Êàê ñîçäàòü swap-ôàéë íà USB-äèñêå â ñóùåñòâóþùåì (åäèíñòâåííîì) ðàçäåëå ext3 è ïîäìîíòèðîâàòü åãî?
×òîáû ïîñëå reboot àâòîìàòè÷åñêè ìîíòèðîâàëñÿ.

**Reyter** · 17-09-2007, 09:03

Originally Posted by alexanderm

WL500g Premium
Ïðîøèâêà 1.9.2.7-7g

Êàê ñîçäàòü swap-ôàéë íà USB-äèñêå â ñóùåñòâóþùåì (åäèíñòâåííîì) ðàçäåëå ext3 è ïîäìîíòèðîâàòü åãî?
×òîáû ïîñëå reboot àâòîìàòè÷åñêè ìîíòèðîâàëñÿ.

Ïîèñê ðóëèò.
×òîáû àâòîìàòè÷åñêè ìîíòèðîâàëñÿ - ïðîïèñûâàåì ñîîáòâåòñòâóþùóþ êîìàíäó â post-boot

**alexanderm** · 17-09-2007, 10:15

Originally Posted by Reyter

Ïîèñê ðóëèò.
×òîáû àâòîìàòè÷åñêè ìîíòèðîâàëñÿ - ïðîïèñûâàåì ñîîáòâåòñòâóþùóþ êîìàíäó â post-boot

Ïðàâèëüíî ÿ ïîíÿë, ÷òî â post-boot äîáàâèì swapon /opt/swap.file

**Reyter** · 17-09-2007, 10:21

Originally Posted by alexanderm

Ïðàâèëüíî ÿ ïîíÿë, ÷òî â post-boot äîáàâèì swapon /opt/swap.file

Ïðàâèëüíî. Íî äîëæíî áûòü ïîñëå êîìàíäû ìîíòèðîâàíèÿ ñàìîãî /opt.

**St.MPA3b** · 18-09-2007, 15:51

íî ëó÷øå, êîíå÷íî, íà îòäåëüíîì ðàçäåëå ñâîï ñäåëàòü

**alexanderm** · 24-09-2007, 17:05

Originally Posted by alexanderm

Ïðàâèëüíî ÿ ïîíÿë, ÷òî â post-boot äîáàâèì swapon /opt/swap.file

À â êàêîì ïîðÿäêå âûïîëíÿåòñÿ ñêðèïòû?
ß äîáàâèë swapon /opt/swap.file â post-mount è ðàáîòàåò.

**Mam(O)n** · 24-09-2007, 17:18

Õî÷ó çàìåòèòü, ÷òî ñêðèïòû âûïîëíÿþòñÿ íå â îïðåäåëåííîì ïîðÿäêå. Íàïðèìåð post-firewall ìîæåò áûòü çàïóùåí, ïîêà post-boot åùå íå îòðàáîòàë. Ýòî òàêæå îòíîñèòñÿ è ê post-mount, êîòîðûé çàïóñêàåòñÿ ïîñëå òîãî, êàê ñèñòåìà àâòîìàòè÷åñêè ïîäìîíòèðîâàëà âíåøíèé íàêîïèòåëü. À ýòî ìîæåò ïðîèçîéòè â ëþáîé ìîìåíò ïîñëå ïîäãðóçêè ìîäóëåé ÿäðà, îòâå÷àþùèõ çà äîñòóï ê íàêîïèòåëþ ÷åðåç usb. À swapon ëó÷øå âñåãî äåëàòü â post-mount, òåì áîëåå, åñëè îí ðàñïîëàãàåòñÿ íà ôàéëîâîé ñèñòåìå.

**decil** · 19-09-2007, 20:47

Ïîäêëþ÷èë ôëýøêó SuperTalent 2gb

Â êîíñîëè ââ¸ë:

PHP Code:


fdisk /dev/scsi/host0/bus0/target0/lun0/disc

ðàçáèë ñëåäóþùèì îáðàçîì:

PHP Code:


/dev/scsi/host0/bus0/target0/lun0/part1               1         238     1911703+  83  Linux

/dev/scsi/host0/bus0/target0/lun0/part2             239         250       96390   82  Linux swap

ñîõðàíèë êîìàíäîé W. Ïåðåãðóçèë ðîóòåð ðåáóòîì.

Ïðè ïîïûòêå âûçâàòü:

PHP Code:


/sbin/swapon /dev/scsi/host0/bus0/target0/lun0/part2

ãîâîðèò, ÷òî ìîë:

PHP Code:


swapon: /etc/fstab: No such file or directory

Ñîîòâåòñòâåííî, âñå ïîñëåäóþùèå øàãè ïî óñòàíîâêå ïîëåçíûõ ïàêåòîâ ñ ïîïðàâêîé íà ïóòü ê äåâàéñó óñïåõà íå óìåëè.

Ïîäñêàæèòå ãäå ëûæè ñìàçàòü, à òî ãóãëü è ÿíäåêñ çàáàíèëè.

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