Getting Started
Jay Smith
Hello,
I believe I have sucessfully installed fuse, mhash, tokyocabinet, and lessfs from source.
When I try to run lessfs I do it in the following way.
./lessfs ../etc/MylessFS.cfg ./mnt
where:
etc/MylessFS.cfg points to a file with the following content.
BLOCKDATA_IO_TYPE=file_io
BLOCKDATA_PATH=/home/jsmith/app/lessfs/bin/blockData/dataFile
BLOCKDATA_BS=10485760
BLOCKUSAGE_PATH=/home/jsmith/app/lessfs/bin/metaData/
BLOCKUSAGE_BS=10485760
#The
path to the directory that holds the directory structures.
#DIRENT_PATH=
DIRENT_BS=1048576
HARDLINK_PATH=/home/jsmith/app/lessfs/bin/hardlinkData
HARDLINK_BS=1048576
SYMLINK_PATH=/home/jsmith/app/lessfs/bin/symlinkData
SYMLINK_BS=1048576
FREELIST_PATH=/home/jsmith/app/lessfs/bin/freelistData
FREELIST_BS=1048576
LISTEN_IP=127.0.0.1
LISTEN_PORT=100
MIN_SPACE_FREE=10
#Determines
when the CLEAN_PROGRAM shell script is run
#MIN_SPACE_CLEAN=25
#Not
an actual shell
script
#CLEAN_PROGRAM=/usr/local/bin/warn_me.sh
HASHLEN=24
CACHESIZE=512
COMMIT_INTERVAL=30
MAX_THREADS=2
DYNAMIC_DEFRAGMENTATION=on
COREDUMPSIZE=25600000
SYNC_RELAX=0
ENCRYPT_DATA=off
ENCRYPT_META=off
ENABLE_TRANSACTIONS=on
COMPRESSION=qlz
HASHNAME=TIGER192
BLKSIZE=131072
BACKGROUND_DELETE=off
REPLICATION=off
ROTATE_REPLOG_SIZE=1073741824
#REPLICATION_PARTNER_PORT=201
MAX_BACKLOG_SIZE=0
STICKY_ON_LOCKED=off
DEBUG=5
and /mnt/ points to an empty directory that I intend to be the mount point for the virtual file system created by lessFS.
No output is produced and no change happens.
When I attempt to check the program using gdb I get the following output.
[jsmith@discfarm bin]$ gdb ./lessfs
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-56.el6)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/jsmith/app/lessfs/bin/lessfs...(no debugging symbols found)...done.
(gdb) r ../etc/MylessFS.cfg /mnt/
Starting program: /home/jsmith/app/lessfs/bin/lessfs ../etc/MylessFS.cfg /mnt/
[Thread debugging using libthread_db enabled]
Program exited with code 05.
Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.5-7.el6_0.x86_64 glibc-2.12-1.80.el6_3.6.x86_64 zlib-1.2.3-27.el6.x86_64
(gdb)
Any idea what could be causing this?
The following is the relevent version information:
I am running this on a 64 bit cluster
using red hat kernel version 2.6.32
Lessfs | 1.7.0 although I have also tried 1.5.4 with similar success
Fuse | 2.8.7
Mhash | 0.9.9.9
Tokyocabinet | 1.4.48
Mark Ruijter
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Jayse Hulett
Once I do that the metaDeta path gets populated with a blockusage.tch and blockusage.tch.wal files.
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