Re: cluster/stripe

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Hi Raghavendra,

On 9/26/07, Raghavendra G <raghavendra.hg@xxxxxxxxx> wrote:

> some more questions.
> 1. Are the bricks exported by the server are empty? i.e., are you trying
> to use stripe on already _existing_ files ? Note that stripe works only on
> those files which are created through it.


yes, they are. I clean up glusterfs before each test.

2. Is the size of the file being stripped is greater than the block size
> configured in the server spec file? But in any case atleast file should be
> created on both server bricks.


file is 432M.

It's very interesting, I don't see second copy at all even empty

cp-related lines in logfiles (tla 495):

client:

2007-09-26 18:58:16 D [trace.c:971:trace_lookup] ctrace: callid: 2
(*this=0x9614910, loc=0x964ef9c {path=, inode=0x964bc98}, need_xattr=0 )
2007-09-26 18:58:16 D [trace.c:435:trace_lookup_cbk] ctrace: callid: 2
(*this=0x9614910, op_ret=0, op_errno=0, inode=0x964bc98, *buf=0x964f104
{st_dev=64768, st_ino=131, st_mode=16895, st_nlink=2, st_uid=0, st_gid=0,
st_rdev=0, st_size=6, st_blksize=4096, st_blocks=0})
2007-09-26 18:58:16 D [trace.c:971:trace_lookup] ctrace: callid: 3
(*this=0x9614910, loc=0x964ef4c {path=, inode=0x964bc98}, need_xattr=0 )
2007-09-26 18:58:16 D [trace.c:435:trace_lookup_cbk] ctrace: callid: 3
(*this=0x9614910, op_ret=0, op_errno=0, inode=0x964bc98, *buf=0x964f104
{st_dev=64768, st_ino=131, st_mode=16895, st_nlink=2, st_uid=0, st_gid=0,
st_rdev=0, st_size=6, st_blksize=4096, st_blocks=0})
2007-09-26 18:58:16 D [fuse-bridge.c:423:fuse_lookup] glusterfs-fuse: LOOKUP
1/pdst.dat.gz (/pdst.dat.gz)
2007-09-26 18:58:16 D [trace.c:971:trace_lookup] ctrace: callid: 4
(*this=0x9614910, loc=0x964ef4c {path=/pdst.dat.gz, inode=0x964efb0},
need_xattr=0 )
2007-09-26 18:58:16 D [trace.c:440:trace_lookup_cbk] ctrace:
(*this=0x9614910, op_ret=-1, op_errno=2)
2007-09-26 18:58:16 D [fuse-bridge.c:378:fuse_entry_cbk] glusterfs-fuse: ERR
=> -1 (2)
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] fuse/inode: destroy
inode(0) [@0x964efb0]
2007-09-26 18:58:16 D [fuse-bridge.c:423:fuse_lookup] glusterfs-fuse: LOOKUP
1/pdst.dat.gz (/pdst.dat.gz)
2007-09-26 18:58:16 D [trace.c:971:trace_lookup] ctrace: callid: 5
(*this=0x9614910, loc=0x964f19c {path=/pdst.dat.gz, inode=0x964f0d8},
need_xattr=0 )
2007-09-26 18:58:16 D [trace.c:440:trace_lookup_cbk] ctrace:
(*this=0x9614910, op_ret=-1, op_errno=2)
2007-09-26 18:58:16 D [fuse-bridge.c:378:fuse_entry_cbk] glusterfs-fuse: ERR
=> -1 (2)
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] fuse/inode: destroy
inode(0) [@0x964f0d8]
2007-09-26 18:58:16 D [trace.c:1076:trace_mknod] ctrace: (*this=0x9614910,
loc=0x964f19c {path=/pdst.dat.gz, inode=0x964f0d8}, mode=33188, dev=0)
2007-09-26 18:58:16 D [trace.c:517:trace_mknod_cbk] ctrace:
(*this=0x9614910, op_ret=0, op_errno=2, inode=0x964f0d8, *buf=0x964efa8
{st_dev=64768, st_ino=132, st_mode=33188, st_nlink=1, st_uid=0, st_gid=0,
st_rdev=0, st_size=0, st_blksize=4096, st_blocks=0, st_atime=[Sep 26
18:58:16], st_mtime=[Sep 26 18:58:16], st_ctime=[Sep 26 18:58:16]})
2007-09-26 18:58:16 D [fuse-bridge.c:346:fuse_entry_cbk] glusterfs-fuse:
ENTRY => 132
2007-09-26 18:58:16 D [inode.c:559:__create_inode] fuse/inode: create
inode(132)
2007-09-26 18:58:16 D [inode.c:351:__active_inode] fuse/inode: activating
inode(132), lru=0/1024
2007-09-26 18:58:16 D [inode.c:381:__passive_inode] fuse/inode: passivating
inode(132), lru=1/1024
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] fuse/inode: destroy
inode(0) [@0x964f0d8]
2007-09-26 18:58:16 D [inode.c:351:__active_inode] fuse/inode: activating
inode(132), lru=0/1024
2007-09-26 18:58:16 D [trace.c:1334:trace_open] ctrace: (*this=0x9614910,
loc=0x964f19c {path=/pdst.dat.gz, inode=0x964f508}, flags=32769,
fd=0x964f200)
2007-09-26 18:58:16 D [trace.c:100:trace_open_cbk] ctrace: (*this=0x9614910,
op_ret=0, op_errno=0, *fd=0x964f200)
2007-09-26 18:58:16 D [trace.c:1410:trace_writev] ctrace: (*this=0x9614910,
*fd=0x964f200, *vector=0xbfe74a30, count=1, offset=0)
2007-09-26 18:58:16 D [trace.c:189:trace_writev_cbk] ctrace:
(*this=0x9614910, op_ret=1048576, op_errno=2, *buf=0x964f7b8 {st_dev=64768,
st_ino=132, st_mode=33188, st_nlink=1, st_uid=0, st_gid=0, st_rdev=0,
st_size=1048576, st_blksize=4096, st_blocks=0, st_atime=[Sep 26 18:58:16],
st_mtime=[Sep 26 18:58:16], st_ctime=[Sep 26 18:58:16]})
...
2007-09-26 18:58:38 D [trace.c:1410:trace_writev] ctrace: (*this=0x9614910,
*fd=0x964f200, *vector=0xbfe74a30, count=1, offset=450887680)
2007-09-26 18:58:38 D [trace.c:189:trace_writev_cbk] ctrace:
(*this=0x9614910, op_ret=996565, op_errno=2, *buf=0x964f7b8 {st_dev=64768,
st_ino=132, st_mode=33188, st_nlink=1, st_uid=0, st_gid=0, st_rdev=0,
st_size=451884245, st_blksize=4096, st_blocks=851968, st_atime=[Sep 26
18:58:16], st_mtime=[Sep 26 18:58:38], st_ctime=[Sep 26 18:58:38]})
2007-09-26 18:58:38 D [trace.c:1452:trace_flush] ctrace: (*this=0x9614910,
*fd=0x964f200)
2007-09-26 18:58:38 D [trace.c:594:trace_flush_cbk] ctrace:
(*this=0x9614910, op_ret=0, op_errno=0)
2007-09-26 18:58:38 D [trace.c:1472:trace_close] ctrace: (*this=0x9614910,
*fd=0x964f200)
2007-09-26 18:58:38 D [trace.c:612:trace_close_cbk] ctrace:
(*this=0x9614910, op_ret=0, op_errno=2)
2007-09-26 18:58:38 D [inode.c:381:__passive_inode] fuse/inode: passivating
inode(132), lru=1/1024

brick1:

2007-09-26 18:58:16 D [inode.c:559:__create_inode] brick/inode: create
inode(131)
2007-09-26 18:58:16 D [inode.c:351:__active_inode] brick/inode: activating
inode(131), lru=0/1024
2007-09-26 18:58:16 D [inode.c:381:__passive_inode] brick/inode: passivating
inode(131), lru=1/1024
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] brick/inode: destroy
inode(0) [@0xa002560]
2007-09-26 18:58:16 D [inode.c:351:__active_inode] brick/inode: activating
inode(131), lru=0/1024
2007-09-26 18:58:16 D [inode.c:381:__passive_inode] brick/inode: passivating
inode(131), lru=1/1024
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] brick/inode: destroy
inode(0) [@0xa0027b0]
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] brick/inode: destroy
inode(0) [@0xa0027b0]
2007-09-26 18:58:16 D [inode.c:559:__create_inode] brick/inode: create
inode(132)
2007-09-26 18:58:16 D [inode.c:351:__active_inode] brick/inode: activating
inode(132), lru=1/1024
2007-09-26 18:58:16 D [inode.c:381:__passive_inode] brick/inode: passivating
inode(132), lru=2/1024
2007-09-26 18:58:16 D [inode.c:351:__active_inode] brick/inode: activating
inode(132), lru=1/1024
2007-09-26 18:58:38 D [inode.c:381:__passive_inode] brick/inode: passivating
inode(132), lru=2/1024

brick2:

2007-09-26 18:58:16 D [inode.c:559:__create_inode] brick/inode: create
inode(131)
2007-09-26 18:58:16 D [inode.c:351:__active_inode] brick/inode: activating
inode(131), lru=0/1024
2007-09-26 18:58:16 D [inode.c:381:__passive_inode] brick/inode: passivating
inode(131), lru=1/1024
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] brick/inode: destroy
inode(0) [@0x996e560]
2007-09-26 18:58:16 D [inode.c:351:__active_inode] brick/inode: activating
inode(131), lru=0/1024
2007-09-26 18:58:16 D [inode.c:381:__passive_inode] brick/inode: passivating
inode(131), lru=1/1024
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] brick/inode: destroy
inode(0) [@0x996e7b0]
2007-09-26 18:58:16 D [inode.c:308:__destroy_inode] brick/inode: destroy
inode(0) [@0x996e7b0]

inode 132 is not created on brick2

your rpc is a trick, debug print in callbacks crashes process :-/

thanks for hints

regards, Alexey


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