Scsi controller problima

[Peter Avgeris]

Gerassimos Toumazatos wrote:

> Geia sas. eimai ena kainoyrgios xrhsths toy linux (redhat 4.2). prospauw
> na mauw merika pragmata kai merikes fores ta paw kala. exw omws ena
> problhma me to scsi controller. einai o AHA 1520B kai to autoprobe den
> ton briskei. mesa apo to kernel configuration ekana kapoies dhlwseis,
> akomh omws den mporw na katalabw an mporei na to dei  h oxi. ekei panw
> exw syndedemeno ena zip drive. poy mporw na dw an to exei brei? Sthn
> ekkinhsh pantws moy deixnei 0scsi hosts detected.
> kaue symboylh ua einai polytimh. Eyxaristw

Loipon, agaphte file, gia na doylepsei o SCSI controller einai oloklhrh
istoria, alla apaj kai doylepsei, den exeis tipote na fobhqeis. Eixa
talaipwrhqei ligaki kai egw kai qa hqela na se bohqhsw na to jeperaseis
eykola.
Soy apantw ormwmenos apo to gegonos oti xrhsimopoiw kai egw akribws to idio
configuration me sena. Doyleyw ton Adaptec AVA-1505, o opoios xrhsimopoiei ton
idio AKRIBWS driver me ton diko soy Adaptec AHA-1520. Exw kai egw ena ZIP
external SCSI kai ena internal DAT 4mm gia backup kai doyleyei ypodeigmatika
kai me ta dyo.

Gia na doylepseis ton sygkekrimeno SCSI einai aparaithta ta ejhs:
1. O kernel poy exeis egkatasthsei na exei yposthrijh gia general SCSI
devices.
2. Na exei KAI yposthrijh gia to SYGKEKRIMENO controller.
3. Na exeis dhlwsei sto /etc/lilo.conf APARAITHTA mia parametro poy th blepei
otan bootareis.

As ta paroyme me th seira:

Ypoqetoyme oti exeis egkatasthsei kernel me SCSI support. Eidikotera, prepei
na jereis ean o kernel poy xrhsimopoieis exei support gia devices toy typoy
Adaptec 152x (me ayton doyleyoyn kai oi AHA/AVA - 1505).
Ean den yposthrizetai kati tetoio, psaje mesa sto CD gia kapoio kernel poy na
yposthrizei ta parapanw. Ean de breis tipote, pare kapoio kernel source kai
kane compile ena diko soy kernel kai dwse YES sto General SCSI support kai YES
sto Adaptec 152x SCSI support. Logika kapoios kernel mesa sto RedHat 4.2
sigoyra yparxei se kapoio apo ta dyo CDs. Ean de breis tipote kai de mporeis h
den jereis tipote gia to pws qa "compilareis" diko soy kernel, mporw na soy
steilw to diko moy na doylepseis.

Afoy ta exeis kanei ola ta anwterw, qa prepei na eisageis mesa sto
/etc/lilo.conf sthn teleytaia grammh to akoloyqo:
append="aha152x=0x340,11,7,1"
Mh jexaseis na dwseis 'lilo' (ennoeitai xwris ta ' ') prin bootareis.

Ayto isxyei gia port address 0x340 kai irq 11, opws doyleyei se mena. Gia na
deis ti paizei, tsekare ta jumperakia toy controller.
Bootarontas apo thn arxh, qa prepei na briskei to SCSI soy kanonikotata. Apo
ekei kai pera, to ZIP drive to anagnwrizei ws sda4 kai oxi ws sda0 (to giati,
den to exei katalabei kaneis ws twra, apo oti diabaza kapote sto Usenet). Ean
de doyleyeis to lilo gia na jekinhseis to Linux soy, kalytera na jexaseis to
SCSI support eidika toy dikoy soy controller!!!

Ayta ta oliga.
Ean qeleis tipote bohqeia akomh, mh distaseis na moy grapseis.
Eyxomai na bohqhsa...

Filika,
--
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| Peter D. Avgeris          | Mechanical Engineer (N.T.U.A.)          |
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