lkml.org 
[lkml]   [2008]   [Dec]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: 2.6.27.10: ata1.00: HPA detected: current 293044655, native 293046768
Date
Justin Piszcz wrote:
> On one system, two Raptor 150s:
>
> [ 0.739402] ata1.00: HPA detected: current 293044655, native 293046768
> [ 0.739491] ata1.00: ATA-7: WDC WD1500ADFD-00NLR5, 21.07QR5, max
> UDMA/133
> [ 0.739577] ata1.00: 293044655 sectors, multi 0: LBA48 NCQ (depth 31/32)
> [ 0.742454] ata1.00: configured for UDMA/133
>
> [ 1.059146] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [ 1.061406] ata2.00: ATA-7: WDC WD1500ADFD-00NLR5, 21.07QR5, max
> UDMA/133
> [ 1.061494] ata2.00: 293046768 sectors, multi 0: LBA48 NCQ (depth 31/32)
> [ 1.064360] ata2.00: configured for UDMA/133
>
> Two disks in a RAID-1 (mdadm) configuration, how come the first one
> has an issue w/HPA as the firmware of both disks is the same..?
>
> l1:~# smartctl -a /dev/sda | grep -i bytes
> User Capacity: 150,038,863,360 bytes
> l1:~# smartctl -a /dev/sdb | grep -i bytes
> User Capacity: 150,039,945,216 bytes
> l1:~#
>
> Why does this occur?

Presumably somebody or something set up a host protected area on one
drive and not the other.. I believe there are some utilities out there
that can be used to disable the HPA and allow the full capacity to be used.



\
 
 \ /
  Last update: 2008-12-30 18:43    [W:0.052 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site