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Post subject: RAMDISK on demand
 Posted: 05.03.2005 - 12:53 #17021
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Ucen
Joined: Okt 20, 2004
Posts: 561
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ahoj ako sa da spravit nieco ako v dose islo
ramdrv.exe (nie ramdrv.sys)
proste ak potrebujem ramdisk s nejakym FS
ako sa to da za jazdi na k2.4.26 urobit
lebo viem len spravit ram0 pri starte ale ked to potrebujem vytvorit a zrusti on demand uz na rozbehnutom stroji ....cudne ale neviem ...
alebo mate iny napad ako vymienat velmi male mnostvo dat mezdi roznymi procesmi rozdlicne permision ...velmi rychle bez pisania nejakeho demona a pipe
potrebujem ukladat rychlo nejake statusy velmi rychlo bezi na UMSDOS to nerobi dobroto pomale a nici sa integrita UMSDOS pri velkej rychlosti
zapis read..
stacili by mi aj premmnene shellu ale to je problem ine procesy by sa knim nedostali aspon nie co su forkovane inym userom a aplikaciamy ktore by to museli niekde citat a nastavovat... |
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Post subject: RE: RAMDISK on demand
Posted: 05.03.2005 - 14:02 #17030
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Basic
Joined: Okt 12, 2003
Posts: 354
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| hm neviem takto to riesit ma ani len nenapadlo zatial ale ako si sam spominal na to su tam pipes a tie funguju spolahlivo |
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Post subject: RE: RAMDISK on demand
Posted: 05.03.2005 - 14:18 #17034
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Basic
Joined: Okt 31, 2004
Posts: 19
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| hmm co tak ipc ale nejde zo shellu tiez |
Last edited by newbie on 05.03.2005 - 14:23; edited 2 times in total
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Post subject: RE: RAMDISK on demand
Posted: 05.03.2005 - 14:20 #17036
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Ucen
Joined: Okt 20, 2004
Posts: 561
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len ze na to musis napisat program
...a cmd utility na toto moje riesenie staci
shell cat apod veci ...
potrebujem pocas nejakeho zjobu zapisat niekde nieco docasne status aby bol ktomu mozme pozuit permision a a davat to k dispozicii len niektorym userom ...
ale UMSDOS fs nieje rychly ani poslahlivy...
ramdisk je najlespie riesenie
nemusim robit upratovanie posebe proste po tom jobe zrusim ...a kopec shell codu je usetrenych.. |
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Post subject: RE: RAMDISK on demand
Posted: 05.03.2005 - 14:31 #17038
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Ucen
Joined: Okt 20, 2004
Posts: 561
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dnes som cely den hladal HOWTO o ramdisku a nic ...HELP MEEEEEEEE    |
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Post subject: RE: RAMDISK on demand
Posted: 09.03.2005 - 12:09 #17218
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Ucen
Joined: Okt 20, 2004
Posts: 561
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poradte mi niekto nejake howto pre ramdisk + nejaky maly (ram usage fs ale nie minix
to ma obmezenie kratke nazvy tie pouzivam ako hash table )
nejaky iny napad ako nahodit ramdisk vytvoitrit si fs z potom uvolnit ram co pouzival ten ramdisk..
proste xcem dat co najviac ram procesom poakial nepotrebujem ten ramdisk.... ten stroj ma len 64ram neda sa to rozsiriot uz viacej .. |
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Post subject: RE: RAMDISK on demand
Posted: 10.03.2005 - 11:33 #17298
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Ucen
Joined: Okt 20, 2004
Posts: 561
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nikto mi nexcel pomoct musel som si poplakat u uja googla...
askgoogle..... sakra...
Make sure the computer you are working on has support for ramdisks and has such a device (/dev/ram0).
Create an empty filesystem with the appropriate size on this ramdisk:
# mke2fs -m0 /dev/ram0 300
Mount it somewhere:
# mount -t ext2 /dev/ram0 /mnt
Copy what you need for your new root filesystem, and create your future /linuxrc if you did not create it in /tmp/rootfs/linuxrc:
# cp -a /tmp/rootfs/* /mnt
Unmount the ramdisk:
# umount /mnt
Save the ramdisk image to some file and free it:
# dd if=/dev/ram0 of=initrd bs=1024 count=300
# freeramdisk /dev/ram0
no a je to .... hmmm |
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