Date: Wed, 25 Apr 2007 20:39:29 +0200 From: Frank Altpeter <frank@altpeter.de> To: freebsd-questions@freebsd.org Subject: strange effect building large storage server Message-ID: <20070425183929.GC1872@corpex.de>
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Hi there,
I was just hitting a quite strange problem with installing
FreeBSD-6.2-RELEASE on an x86 platform...
The machine itself provides a SATA raid controller, which is
equipped with 12x500G disks, making a total of about 5 TB space.
So, because of the 2GB restriction of freebsd, i decided to create 4
partitions: da0s1 with 60G for the system, and da0s2 - da0s4 with ($rest /
3). Then, creating two partitions on da0s2 - da0s4 with each ($rest / 6)
in size, making the system partitions and 6 x 816G partitions.
After installation and startup, i see strange things happen, since
/dev/da0s2d
/dev/da0s2e
/dev/da0s3e
are working, but
/dev/da0s3d
/dev/da0s4d
/dev/da0s4e
give me errors:
mount: /dev/da0s3d: Input/output error
mount: /dev/da0s4d: No such file or directory
mount: /dev/da0s4e: No such file or directory
The partition table looks ok to me:
******* Working on device /dev/da0 *******
parameters extracted from in-core disklabel are:
cylinders=668656 heads=255 sectors/track=63 (16065 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=668656 heads=255 sectors/track=63 (16065 blks/cyl)
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 63, size 125821017 (61436 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 1023/ head 254/ sector 63
The data for partition 2 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 125821080, size 3537882495 (1727481 Meg), flag 0
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 254/ sector 63
The data for partition 3 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 3663703575, size 3537882495 (1727481 Meg), flag 0
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 165/ sector 59
The data for partition 4 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 2906618774, size 3537882495 (1727481 Meg), flag 0
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 76/ sector 55
while the disklabel output looks a litte bit strange:
# /dev/da0s2:
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
c: 3537882495 0 unused 0 0 # "raw" part, don't edit
d: 1767899136 0 4.2BSD 2048 16384 28552
e: 1769983359 1767899136 4.2BSD 2048 16384 28552
# /dev/da0s3:
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
c: 3537882495 0 unused 0 0 # "raw" part, don't edit
d: 1767899136 0 4.2BSD 0 0 0
e: 1769983359 1767899136 4.2BSD 2048 16384 28552
disklabel: /dev/da0s4: no valid label found
Does anyone have a hint what problem i'm hitting here? Any input is
greatly appreciated...
Tìoraidh an-dràsda,
Frank Altpeter
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