[Brmlab] AS/400

Rado1 rado at rado1.cz
Wed Sep 11 08:36:47 CEST 2013


Tie disky maju vacsinou uplne iny firmware.
Ale zasa na druhu stranu google tvrdi, ze to je len zalezitost low-level formatu.
-- 
Rado1
rado (at) rado1.cz

On Wed, Sep 11, 2013 at 12:40:48AM +0200, David Klusacek wrote:
#> 
#> To mi teda nekdo vysvetlete --- to jako do mainframu se montuji specialni
#> disky s takhle divne vetsim sektorem, nebo ten server normalni SCSI disky
#> nuti aby mu vraceli sektor i s nejakym ECCckem nebo CRCckem, ktery si na PC
#> pocita ten disk sam pro sebe a neobtezuje s tim CPU?
#> 
#> 
#> On Wed, Sep 11, 2013 at 12:00:19AM +0200, mrkva na mrkva.eu wrote:
#> > Už jsem si toho taky všimnul, když jsem konečně vyhrabal stroj se SCSI
#> > řadičem...
#> > 
#> > 133.174317] scsi 2:0:1:0: Direct-Access     IBMAS400 DRVS18D
#> > S27E PQ: 0 ANSI: 3
#> > [  133.174342] scsi target2:0:1: Beginning Domain Validation
#> > [  133.180428] scsi target2:0:1: Domain Validation skipping write tests
#> > [  133.180434] scsi target2:0:1: Ending Domain Validation
#> > [  133.180503] scsi target2:0:1: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5
#> > ns, offset 127)
#> > [  133.181237] sd 2:0:1:0: Attached scsi generic sg4 type 0
#> > [  133.182728] sd 2:0:1:0: [sdb] Spinning up disk..........ready
#> > [  141.208605] sd 2:0:1:0: [sdb] Unsupported sector size 522.
#> > [  141.208613] sd 2:0:1:0: [sdb] 0 512-byte logical blocks: (0 B/0 B)
#> > [  141.208618] sd 2:0:1:0: [sdb] 522-byte physical blocks
#> > [  141.209446] sd 2:0:1:0: [sdb] Write Protect is off
#> > [  141.209452] sd 2:0:1:0: [sdb] Mode Sense: cb 00 00 08
#> > [  141.210371] sd 2:0:1:0: [sdb] Write cache: disabled, read cache:
#> > enabled, doesn't support DPO or FUA
#> > [  141.211409] sd 2:0:1:0: [sdb] Unsupported sector size 522.
#> > [  141.213393] sd 2:0:1:0: [sdb] Attached SCSI disk
#> > 
#> > On 10.9.2013 22:54, Rado1 wrote:
#> > > Mozno teraz hovorim uplne z cesty, ale mainframe svet pouziva
#> > > 520B bloky nie 512B.
#> > > Tyka sa to diskov. neviem, ci CD/DVD nie je nejako emulovane...
#> > > 
#> > 
#> 
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