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Re: stress test on ppc

To: linux-xfs@xxxxxxxxxxx
Subject: Re: stress test on ppc
From: Thomas Graichen <news-innominate.list.sgi.xfs@xxxxxxxxxxxxx>
Date: 30 Nov 2000 09:01:12 GMT
Distribution: local
Organization: innominate AG, Berlin, Germany
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Reply-to: Thomas Graichen <graichen@xxxxxxxxxxxxx>
Reply-to: thomas.graichen@xxxxxxxxxxxxx
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"Nathan Scott" <nathans@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> hi Thomas,

> On Nov 29,  9:21am, Thomas Graichen wrote:
>> Subject: Re: stress test on ppc
>> "Nathan Scott" <nathans@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>> 
>> ...looks like it happens pretty early
>> 
>>   ppc:/usr/src/xfs/cmd/xfs/mkfs # ./mkfs.xfs -f /dev/hda9
>>   meta-data=/dev/hda9              isize=256    agcount=8, agsize=49152 blks
>>   data     =                       bsize=4096   blocks=393216, imaxpct=25
>>            =                       sunit=0      swidth=0 blks, unwritten=0
>>   naming   =version 2              bsize=4096  
>>   log      =internal log           bsize=4096   blocks=1200
>>   realtime =none                   extsz=65536  blocks=0, rtextents=0
>>   ppc:/usr/src/xfs/cmd/xfs/mkfs # xfs_db -r -c sb -c p /dev/hda9|grep 
>> blocksize
>>   blocksize = 524288
>>   ppc:/usr/src/xfs/cmd/xfs/mkfs #
>> 

> ok, so the problem is in either mkfs or xfs_db.  after mkfs, run:

> # od -c -N 8 /dev/hda9
> 0000000   X   F   S   B  \0  \0 020  \0
> 0000012

> you should see exactly that (the second 4 are the blocksize).
> if you do, its an xfs_db problem.  if not, its a mkfs problem.

ppc:~ # od -c -N 8 /dev/hda9
0000000   X   F   S   B  \0  \0 020  \0
0000010
ppc:~ #

so it looks like xfs_db

> lemme know.  (at the same time, could you send the unfiltered
> "xfs_db -r -c sb -c p /dev/hda9" output also?)

no problem

ppc:~ # xfs_db -r -c sb -c p /dev/hda9
magicnum = 0x58465342
blocksize = 524288
dblocks = 105553116266496
rblocks = 0
rextents = 0
uuid = bc3a44f0-947a-4ebe-964e-5d237161432b
logstart = 262148
rootino = 72057594037927936
rbmino = 129
rsumino = 4683743612465315840
rextsize = 16
agblocks = 196608
agcount = 8
rbmblocks = 0
logblocks = 1200
versionnum = 0x2084
sectsize = 64
inodesize = 256
inopblock = 2048
fname = "\000\000\000\000\000\000\000\000\000\000\000\000"
blocklog = 12
sectlog = 144
inodelog = 8
inopblog = 32
agblklog = 16
rextslog = 0
inprogress = 0
imax_pct = 152
icount = 64
ifree = 13546827679130451968
fdblocks = 391980
frextents = 0
uquotino = 0
pquotino = 0
qflags = 0
flags = 0
shared_vn = 0
inoalignmt = 1073741824
unit = 0
width = 0
dirblklog = 0
ppc:~ #

t

-- 
thomas.graichen@xxxxxxxxxxxxxx
technical director                                       innominate AG
clustering & security                             the linux architects
tel: +49-30-308806-13   fax: -77             http://www.innominate.com

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