Peri HDA , HDA1 .......

[MIXALAS OTHON]

Se prohgoumeno mail mou
Kapoios shmeiwse mia aporeia gia thn hda1 kai to hda

1.) Se genikes grammes h ierarxeia einai :

<Suskeuh>
 |
 - <Partition>
     |
     - <Directory>
         |
         - <sub-directorys>
             |
             _ <File>


Apo auth th domh to mono anagkaio kai sigouro einai to
prwto dhladh h <Suskeuh> afou ola ta upoloipa mporoun na
tautizontai me authn.

Gia paradeigma sto modem ola ta merh tou dendrou tautizontai
me thn suskeuh </dev/ttyS0>

Ston disko, loipon, h dendrikh auth domh anaptysetai plhrws.
Omws an alla3eis ta xarakthristika tou epikefalhs epipedou
tote automata allazoun ta xarakthristika olhs ths domhs.

Gia paradeigma :
</dev/hda>       -----> 1os IDE Diskos  (tou prwtou IDE controller)
|
- - </dev/hda1>  ------> Prwth partision tou prwtou IDE diskou
   |
   - < />              ------> Suntomografia ths prwths partision kai Basiko
     |
     -<tmp>       ------>  Ypokatalogos
        |
        -<to_arxeio>  ----> Ena arxeio


Otan enw eimai sto /tmp dwsw thn entolh:

#cat > to_arxeio

h entolh cat kanei ta e3hs :

pros8etei to curent sto onoma arxeiou kai to kanei
 ./to_arxeio
to leitourgiko antika8ista to curent <.> me thn apoluth dieu8unsh
kai exoume
/tmp/to_arxeio
sth shnexeia apo ton pinaka mount antika8ista to root </> kai ginetai

/dev/hda1/tmp/to_arxeio

kai sth sunexeia pros8etei thn epikefalhs suskeuh

/dev/hda/dev/hda1/tmp/to_arxeio

Twra h ektelesh akolou8ei th seira :

/dev/hda  -   /dev/hda1  -  /tmp/  -  to_arxeio


Ara:

1.)To hda1 exei plhrofories gia ta xarakthristika ths partision kai epomenws
einai ane3arthth ths fusikhs sukeuhs.
Etsi otan alla3a to sda se hda den htan anagkh na alla3w kai to
hda1 afou auto periexei swstes plhrofories ( epeidh to xameno
to programma egkatastashs katalabe ton scsi disko san IDE
kai "egraye"  tis plhrofories gia thn partition sto /dev/hda1)

2) Katalabainoume giati einai pio grhgorh h egrafh se mounted
file sustem apo oti se kanoniko directory ( ena bhma ligotero)
p.x. /proc  /swap e.t.c

3) Katalabainoume giati ena susthma me duo diskous twn
500Mb enai pio grhgoro apo ena susthma me enan disko tou 1Gb

Se duo diskous mporei na exoume tautoxronh diekpairewsh afou
ta aithmata apeu8unontai  se duo diaforetikes suskeues
An malista einai kai SCSI tote h taxuthta diaforopoieitai dramatika

[ Istoriko :
Megalh egkatastash.
Unix - 486 sta 25 - 8 Mb Ram - 1Gb se 2 Diskous - 32 Users
To susthma einai sxedon nekro otan oi xrhstes douleuoun.
Anagkazomaste na baloume disko kai anti gia enan topo8etw
3 diskous twn 500 Mb kai spaw se autous tis efarmoges.
To susthma ginetai 3afnika upoferto.
*Eutuxws autes tis meres alla3an Server*
]

- -O8wn

P.S.
Gia ta sign.files, oso me afora, mou einai duskolo na allazw ta standard tou
susthmatos gia na grafw sth lista.

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