1.
But size is not checked on all devices if open() or fstat() return error - it's
just skipped. So if rist device will report size larger than the rest one and
you couldn't get size for all the others I guess zpool will assume the size of
each vdev to be that of first device, right?
2. At the end of my first post I used dtrace to get what sizes were returned
from fstat64() calls by zpool abd as you can see some devices reported
different sizes than the others. But format/inq are reporting the same size for
all these devices so there's something wrong here.
Here's truss output you requested.
# truss -v fstat -t open,fstat zpool create t2 raidz c7t5d176 c7t5d177
c7t5d178 c7t5d179 c7t5d180 c7t5d181 c7t5d182 c7t5d183 c7t5d184 c7t5d185
c7t5d186 c7t5d187 c7t5d188 c7t5d189 c7t5d190
[...]
/1: open("/dev/dsk/c7t5d183", O_RDONLY) Err#2 ENOENT
/1: open("/dev/dsk/c7t5d184", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781617 m=0060640 l=1 u=0 g=3
rdev=0x00800897
/1: at = Sep 20 18:25:26 CEST 2006 [ 1158769526 ]
/1: mt = Sep 20 18:25:26 CEST 2006 [ 1158769526 ]
/1: ct = Sep 20 18:25:26 CEST 2006 [ 1158769526 ]
/1: bsz=8192 blks=0 fs=devfs
/1: open("/dev/dsk/c7t5d185", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781633 m=0060640 l=1 u=0 g=3
rdev=0x0080089F
/1: at = Sep 20 18:25:26 CEST 2006 [ 1158769526 ]
/1: mt = Sep 20 18:25:26 CEST 2006 [ 1158769526 ]
/1: ct = Sep 20 18:25:26 CEST 2006 [ 1158769526 ]
/1: bsz=8192 blks=0 fs=devfs
/1: open("/dev/dsk/c7t5d186", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781649 m=0060640 l=1 u=0 g=3
rdev=0x008008A7
/1: at = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: mt = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: ct = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: bsz=8192 blks=0 fs=devfs
/1: open("/dev/dsk/c7t5d187", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781665 m=0060640 l=1 u=0 g=3
rdev=0x008008AF
/1: at = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: mt = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: ct = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: bsz=8192 blks=0 fs=devfs
/1: open("/dev/dsk/c7t5d188", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781681 m=0060640 l=1 u=0 g=3
rdev=0x008008B7
/1: at = Sep 21 11:31:52 CEST 2006 [ 1158831112 ]
/1: mt = Sep 21 11:31:52 CEST 2006 [ 1158831112 ]
/1: ct = Sep 21 11:31:52 CEST 2006 [ 1158831112 ]
/1: bsz=8192 blks=0 fs=devfs
/1: fstat64(2, 0xFFBFA5C8) = 0
/1: d=0x047C0000 i=12582920 m=0020620 l=1 u=0 g=7
rdev=0x00600002
/1: at = Sep 22 14:32:07 CEST 2006 [ 1158928327 ]
/1: mt = Sep 22 14:32:19 CEST 2006 [ 1158928339 ]
/1: ct = Sep 20 18:21:33 CEST 2006 [ 1158769293 ]
/1: bsz=8192 blks=0 fs=devfs
invalid vdev specification
use '-f' to override the following errors:
raidz contains devices of different sizes
/1: open("/dev/dsk/c7t5d189", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781697 m=0060640 l=1 u=0 g=3
rdev=0x008008BF
/1: at = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: mt = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: ct = Sep 20 18:25:27 CEST 2006 [ 1158769527 ]
/1: bsz=8192 blks=0 fs=devfs
/1: open("/dev/dsk/c7t5d190", O_RDONLY) = 8
/1: fstat64(8, 0xFFBFB598) = 0
/1: d=0x047C0000 i=16781713 m=0060640 l=1 u=0 g=3
rdev=0x008008C7
/1: at = Sep 20 19:04:06 CEST 2006 [ 1158771846 ]
/1: mt = Sep 20 19:04:06 CEST 2006 [ 1158771846 ]
/1: ct = Sep 20 19:04:06 CEST 2006 [ 1158771846 ]
/1: bsz=8192 blks=0 fs=devfs
#
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