From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 13143] New: scsi_debug doesn't manage more than 1Tb
Date: Tue, 21 Apr 2009 16:07:08 GMT
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http://bugzilla.kernel.org/show_bug.cgi?id=13143
Summary: scsi_debug doesn't manage more than 1Tb
Product: SCSI Drivers
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
ReportedBy: tvignaud@mandriva.com
Regression: No
While debugging a partitionner software that has issues with disks bigger than
1Tb, I found out that scsi_debug doesn't manage more than 1Tb:
# modprobe scsi_debug virtual_gb=1000
# cat /proc/partitions |fgrep sdc
8 32 1048576000 sdc
# rmmod scsi_debug
# modprobe scsi_debug virtual_gb=1100
# cat /proc/partitions |fgrep sdc
8 32 9223372035860725760 sdc
dmesg shows that the additionnal 100Gb makes it loose sight:
sd 16:0:0:0: [sdc] 2097152000 512-byte hardware sectors: (1.07 TB/1000 GiB)
versus:
sd 15:0:0:0: [sdc] 18446744071721451520 512-byte hardware sectors: (18.4
EB/15.9 EiB)
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