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alpha again

To: linux-xfs@xxxxxxxxxxx
Subject: alpha again
From: Thomas Graichen <news-innominate.list.sgi.xfs@xxxxxxxxxxxxx>
Date: 24 Nov 2000 18:50:32 GMT
Distribution: local
Organization: innominate AG, Berlin, Germany
Reply-to: Thomas Graichen <graichen@xxxxxxxxxxxxx>
Reply-to: thomas.graichen@xxxxxxxxxxxxx
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (Linux/2.4.0-XFS-test10 (i686))
just another try ... maybe someone has an idea now :-)

root@cyan:/usr/src/xfs/linux# mkfs -t xfs -f -b size=8192 /dev/sdb1  
meta-data=/dev/sdb1              isize=256    agcount=8, agsize=4142 blks
data     =                       bsize=8192   blocks=33130, imaxpct=25
         =                       sunit=0      swidth=0 blks, unwritten=0
naming   =version 2              bsize=8192  
log      =internal log           bsize=8192   blocks=1000
realtime =none                   extsz=65536  blocks=0, rtextents=0
root@cyan:/usr/src/xfs/linux# mount /dev/sdb1 /mnt
root@cyan:/usr/src/xfs/linux# umount /mnt
root@cyan:/usr/src/xfs/linux# xfs_repair /dev/sdb1
Phase 1 - find and verify superblock...
Phase 2 - using internal log
        - zero log...
        - scan filesystem freespace and inode maps...
bad magic # 0x0 for agf 0
bad version # -1 for agf 0
bad length 0 for agf 0, should be 4142
flfirst -2147483648 in agf 0 too large (max = 128)
reset bad agf for ag 0
freeblk count 1 != flcount 1084270339 in ag 0
bad agbno 2966461184 for btbno root, agno 0
bad agbno 16580607 for btbcnt root, agno 0
        - found root inode chunk
Phase 3 - for each AG...
        - scan and clear agi unlinked lists...
        - process known inodes and perform inode discovery...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3

looks for me a little bit like some kind of maybe size problems
in some structure alignments or so ... aside from this i can
run a dbench 64 without problems on the alpha ... looks
like it's a more harmless and well located problem

any idea where to look deeper here now?


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

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