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Looks like it's already handled in 2.5. Here's a patch for 2.4: http://www.gelato.unsw.edu.au/patches-index.html ----- Original Message ----- From: "Anders Henke" <anders.henke@sysiphus.de> To: <linux-kernel@vger.kernel.org> Sent: Thursday, December 12, 2002 6:12 AM Subject: using 2 TB in real life > I've just added a 1.9 TB array to one of my servers (running 2.4.20, > the device is an 12bay-IFT IDE-to-Fibre-RAID connected via a > Qlogic 2300 HBA): > > Disk /dev/sdb: 255 heads, 63 sectors, 247422 cylinders > Units = cylinders of 16065 * 512 bytes > > Device Boot Start End Blocks Id System > /dev/sdb1 1 247422 1987417183+ 83 Linux > [...] > Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0 > SCSI device sdb: -320126976 512-byte hdwr sectors (-163904 MB) > sdb: sdb1 > > > Another array (1.2 TB) gives almost the same effect: > Disk /dev/sdb: 255 heads, 63 sectors, 157450 cylinders > Units = cylinders of 16065 * 512 bytes > > Device Boot Start End Blocks Id System > /dev/sdb1 1 157450 1264717093+ 83 Linux > [...] > Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0 > SCSI device sdb: -1765523456 512-byte hdwr sectors (195564 MB) > sdb: sdb1 > > These issues arise when using arrays larger than around 0.5 T; > nevertheless, these devices do work fine with both xfs or ext3, > it's "just" a cosmetical issue. However, this negative > values make one feel like Linux isn't truely capable of using up to > 2 TB of disk devices and so this should be resolved. > To me it seems that sd.c doesn't know how to calculate the > correct values for such beasts - any ideas? > > > Regards > > Anders > -- > http://sysiphus.de/ > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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