scsi gaidaro (heeeelp!)

[Yiannis Galanommatis]

Kat'arxhn na xairethsw olous tous filous ths listas, mias
kai exw konta miso xrono na sas dw afou eixa
kommeno to thlefwno (as einai kala ta timologia tou ote)  :-)


8a h9ela na rwthsw thn gnwmh sas gia ena provlhma pou exw kai
mou exei spasei ta nevra.

Exw enan scsi controller Adaptec AHA2940UW (id:7) kai ta plextor
cdrom32x (id:1),
cdrec4x(id:3), quantum atlas4 (id:4), kai ena scanner xwris revma

Syndesmologia:

[SCSI (term auto)]---- 50pins -----[]----[]-----[scd1]------[scd0]<-TERM

                             ---- 68pins -----[]----[]-----[]------[sda]
<-TERM
                            -----68pins ext <---------> 25pins [scanner]
[exei mono 1 scsi 25pins,

ara ypo9etw oti kanei termination monos toy.


Exw ton kernel 2.2.13.

Kata to bootarisma pairmw merikes fores ta e3hs:

scsi : aborting due to timeout : pid 3, scsi 0, channel 0, id 1, lun 0
Test Unit Ready 00 00 00 00 00

ep' aoriston...

ean pali den symvei auto, otan paw na kanw mount to scd0, tote pairnw:

scsi : aborting due to timeout : pid 42379, scsi 0, channel 0, id 1, lun
0 Read (0) 00 00 00 00 00
scsi : aborting due to timeout : pid 42379, scsi 0, channel 0, id 1, lun
0 Read (0) 00 00 00 00 00
scsi : aborting due to timeout : pid 42379, scsi 0, channel 0, id 1, lun
0 Read (0) 00 00 00 00 00
scsi : aborting due to timeout : pid 42380, scsi 0, channel 0, id 4, lun
0 Write (6) 04 ab 1c 06 00
meta alles pente entoles Write sto id 4, treis read sto 1, kai paei
legontas

an pali den to vgalei, 'h meta apo kapoia retries to kanei mount, sto
unmount vgazei pali kati parmoio,
[...] id 1, lun 0 Prevent/Allow Medium Removal 00 00 00 00 00

kai o ypologisths 9elei h/w reset.

skefthka pws epeidh o diaolos exei polles oures, na vgalw to e3wteriko
kalwdio toy skanner afou
outos h allws authn thn periodo ton exe monima svhsto.
Na shmeiwsw kapoia pragmata:
1) ola arxisan otan evala scsi disko
2) otan evala to cdrom sto id3 to cdrec sto id4 kai ton disko sto id6,
tote boresa na kanw mount, alla
    oxi na diavasw.
3) ta windoze den parousiasan pote kanena provlhma
4) to provhma emfanizetai mono sto cdrom.

Pros megalh mou ekplh3h omws xwris to kalwdio ola phgainan tzami!!
E, tote dyo pragmata skefthka oti borei na ftaine:
1) Maurh magia
2) H xwritikh kai epagwgikh antistash twn kalwdiwn 3eperase ta epitrepta
oria.

Etsi phga na metrhsw to mhkos twn kalwdiwn, kai  vrhka oti einai sxedon
3 metra (eswterika kai e3wterika).
3erw oti eimai sta oria... Alla an ontws afto ftaiei, giati den exoun
provlhma ta windoze kai oles
oi syskeves doulevoun roloi? Kai pali, to scanner den to exw sto revma.
Pws ephrreazei thn
leitourgia tou controller?

Apo periergeia, 3anavala to kalwdio pali mesa, phga na kanw mount kai
phra ta e3hs:
scsi : aborting command due to timeout : pid 46520, scsi 0 channel 0, id
3, lun 0 Read (10) 00 00 00 00 00
SCSI host 0 abort (pid 46521) timed out - resetting
SCSI bus is being reset for host 0 channel 0
SCSI aborting command due to timeout : pid 46522, scsi 0, channel 0,
id6, lun 0 Write (6) 04 ab 1c 06 00
SCSI bus is being reset for host 0 channel 0
SCSI host 0 channel 0 reset (pid 46521) timed out - trying harder
SCSI bus is being reset for host 0 channel 0

wait_on_bh, CPU 1:
irq: 0 [0 0]
bh: 1 [1 0]
<[c010af05]> <[c015ccf6]> ....
....
probably an unrecoverable scsi bus or device hang

opote egw 3anavgazw to kalwdio. Parathrw oti twra oti o ypologisths
borei na synexisei
na ergazetai ektos apo thn tty1 h opoia kollhse kai den borousa na kanw
kill thn entolh mount.
otan phga na kanw 3ana mount, perimene synexws opote se mia allh konsola

grafw shutdown now, pataw CTRL-D, kollaei sto VMware monitor, kanw
CTRL-ALT-DEL, kollaei
sto umounting all filesystems, kai telos h/w reset.

3anabainw sto linux, ola pali doulevoun roloi.

As ypo9esw oti ftaiei to mhkos twn kalwdiwn, an kai estw
kai gia elaxista ekatosta, den ypervainei ta 3 metra.
Ta windoz giati doulevoun?

As me voh9hsei kapoios, exw pelagwsei...
thanx

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