[ImoLUG] cdrom o sda?

[Angelus Angelus]

il risultato della prova fatta:
senza il master dual layer: 
[root@localhost alchemyst]# hdparm /dev/hdb

/dev/hdb:
 IO_support    =  0 (default 16-bit)
 unmaskirq     =  0 (off)
 using_dma     =  1 (on)
 keepsettings  =  0 (off)
 readonly      =  0 (off)
 readahead     = 256 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device

hdb: HL-DT-ST DVDRAM GSA-4040B, ATAPI CD/DVD-ROM drive
hdb: selected mode 0x42
ide0 at 0x9000-0x9007,0x9402 on irq 16
Probing IDE interface ide1...
hdb: ATAPI 32X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com

hdb: cdrom_pc_intr: The drive appears confused (ireason = 0x01). Trying to recover by ending request.
hdb: cdrom_pc_intr: The drive appears confused (ireason = 0x01). Trying to recover by ending request.

senza lo slave:
[root@localhost alchemyst]# hdparm /dev/hda

/dev/hda:
 IO_support    =  0 (default 16-bit)
 unmaskirq     =  0 (off)
 using_dma     =  1 (on)
 keepsettings  =  0 (off)
 readonly      =  0 (off)
 readahead     = 256 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device

hda: HL-DT-ST DVDRAM GSA-H44N, ATAPI CD/DVD-ROM drive
hda: selected mode 0x44
ide0 at 0x9000-0x9007,0x9402 on irq 16
Probing IDE interface ide1...
hda: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache, UDMA(66)
Uniform CD-ROM driver Revision: 3.20
device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com

//non scrive più la riga con "the drive appear confused"
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