I would love to get my hands on such a drive :-) EMC uses the same magic; they cram stuff in the additional 8 bytes.
On Thu, Sep 10, 2009 at 06:41:08PM +0200, Milan Prihoda wrote: > Brynet wrote: >> Milan Prihoda wrote: >> >>> These drives have 520KByte sector size instead of 512KByte. >>> Is there any way how to dump raw data from these drives without >>> reformat drive to different sector size ? >>> >> >> Most disks have a sector size of 512 bytes, not kilobytes. >> >> -Brynet >> >> > Hi, > i should apologize for incompletely question (with mistakes) > so again (and better :-) > > Yes, of course drives have sector size of 520bytes not kilobytes, > it was my typo fail. > > > # dmesg | grep sd2 > sd2 at scsibus0 targ 2 lun 0: <IBMAS400, DFHSS4W, 4I4I> SCSI2 0/direct fixed > sd2: drive offline > > # fdisk sd2 > fdisk: sd2: Device not configured > > # disklabel sd2 > disklabel: /dev/rsd2c: Device not configured > > # dd=/dev/rsd2c of=disk1.img > dd: /dev/rsd2c: Device not configured > > > > I tried this drive in a linux box and dmesg told me: > # dmesg | grep sdb > sd 0:0:3:0: [sdb] Unsupported sector size 520. > sd 0:0:3:0: [sdb] 0 512-byte hardware sectors: (0 B/0 B) > sd 0:0:3:0: [sdb] Write Protect is off > sd 0:0:3:0: [sdb] Mode Sense: a7 00 10 08 > sd 0:0:3:0: [sdb] Write cache: disabled, read cache: enabled, supports > DPO and FUA > sd 0:0:3:0: [sdb] Attached SCSI disk > > and there i get knowledge about 520byte sector size. > > I would like to get raw data from this drive. > Ok - if it's impossible, i want to say it. :-) > > Thank. Milan
