Steve Lord wrote:
>
> On Thu, 2001-11-08 at 15:04, Dan Yocum wrote:
> > Hi guys,
> >
> > I know the Red Hat kernel-2.4.9-13SGI_XFS_PR1 is in testing still, but
> > massive I/O errors occur when I run bonnie++ on my 1.12TB FS - the rest of
> > the partitions seem to be behaving themselves, tho.
> >
> > I'll try to get the error messages next time I boot it up.
>
> Check your inode size, actually, do this:
>
> xfs_db /dev/xxxx
> sb
> p
>
> and send the output. There was a version of mkfs which would create
> a bad filesystem above 1 Tbyte.
You mean a filesystem with isize=256 instead of 512 (33 bit vs 32 bits),
which I ran into a few weeks (months?) back? Or is there another problem
with mkfs that I don't know about? (fwiw, yeah, I did the mkfs with 'i
size=512.')
Here's the output:
]# xfs_db /dev/md0
xfs_db: sb
xfs_db: p
magicnum = 0x58465342
blocksize = 4096
dblocks = 280145408
rblocks = 0
rextents = 0
uuid = 37dcf492-e042-4be2-a3e1-fbc16d911623
logstart = 140509312
rootino = 64
rbmino = 65
rsumino = 66
rextsize = 256
agblocks = 1048576
agcount = 268
rbmblocks = 0
logblocks = 32768
versionnum = 0x2184
sectsize = 512
inodesize = 512
inopblock = 8
fname = "\000\000\000\000\000\000\000\000\000\000\000\000"
blocklog = 12
sectlog = 9
inodelog = 9
inopblog = 3
agblklog = 20
rextslog = 0
inprogress = 0
imax_pct = 25
icount = 657920
ifree = 657915
fdblocks = 279504960
frextents = 0
uquotino = 0
gquotino = 0
qflags = 0
flags = 0
shared_vn = 0
inoalignmt = 2
unit = 128
width = 256
dirblklog = 0
This also shows up in xfs_info:
]# xfs_info /export/data/dp15.a/
meta-data=/export/data/dp15.a isize=512 agcount=268, agsize=1048576
blks
data = bsize=4096 blocks=280145408, imaxpct=25
= sunit=128 swidth=256 blks, unwritten=0
naming =version 2 bsize=4096
log =internal bsize=4096 blocks=32768
realtime =none extsz=1048576 blocks=0, rtextents=0
Thanks,
Dan
--
Dan Yocum
Sloan Digital Sky Survey, Fermilab 630.840.6509
yocum@xxxxxxxx, http://www.sdss.org
SDSS. Mapping the Universe.
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