Shared disk files synchronization
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I have two Centos 7 servers with a shared disk mounted via fstab with:
/dev/sdb /mnt/shared xfs rw,suid,dev,noexec,auto,user,sync 0 0
I can see the disk and its content on both servers, but when I create a new file it is not automatically seen on the opposite server. If I umount and mount the disk, then the files will appear.
Executing sync after file creation also won't create the file.
I have installed lsyncd as suggested here but nothing changed.
centos mount xfs
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
add a comment |Â
up vote
0
down vote
favorite
I have two Centos 7 servers with a shared disk mounted via fstab with:
/dev/sdb /mnt/shared xfs rw,suid,dev,noexec,auto,user,sync 0 0
I can see the disk and its content on both servers, but when I create a new file it is not automatically seen on the opposite server. If I umount and mount the disk, then the files will appear.
Executing sync after file creation also won't create the file.
I have installed lsyncd as suggested here but nothing changed.
centos mount xfs
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
1
Are you using clustered XFS? If not you will be at serious risk of corrupting your filesystem, if both are mounted r/w
– rusty shackleford
Jun 7 at 13:50
@rustyshackleford Not clustered, thanks for the advice.!
– Zumo de Vidrio
Jun 7 at 13:54
No problem! Posted as an answer with some example clustered filesystems.
– rusty shackleford
Jun 7 at 14:20
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I have two Centos 7 servers with a shared disk mounted via fstab with:
/dev/sdb /mnt/shared xfs rw,suid,dev,noexec,auto,user,sync 0 0
I can see the disk and its content on both servers, but when I create a new file it is not automatically seen on the opposite server. If I umount and mount the disk, then the files will appear.
Executing sync after file creation also won't create the file.
I have installed lsyncd as suggested here but nothing changed.
centos mount xfs
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
I have two Centos 7 servers with a shared disk mounted via fstab with:
/dev/sdb /mnt/shared xfs rw,suid,dev,noexec,auto,user,sync 0 0
I can see the disk and its content on both servers, but when I create a new file it is not automatically seen on the opposite server. If I umount and mount the disk, then the files will appear.
Executing sync after file creation also won't create the file.
I have installed lsyncd as suggested here but nothing changed.
centos mount xfs
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
edited Jun 7 at 13:42
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
asked Jun 7 at 13:35
Zumo de Vidrio
1,267318
1,267318
1
Are you using clustered XFS? If not you will be at serious risk of corrupting your filesystem, if both are mounted r/w
– rusty shackleford
Jun 7 at 13:50
@rustyshackleford Not clustered, thanks for the advice.!
– Zumo de Vidrio
Jun 7 at 13:54
No problem! Posted as an answer with some example clustered filesystems.
– rusty shackleford
Jun 7 at 14:20
add a comment |Â
1
Are you using clustered XFS? If not you will be at serious risk of corrupting your filesystem, if both are mounted r/w
– rusty shackleford
Jun 7 at 13:50
@rustyshackleford Not clustered, thanks for the advice.!
– Zumo de Vidrio
Jun 7 at 13:54
No problem! Posted as an answer with some example clustered filesystems.
– rusty shackleford
Jun 7 at 14:20
1
1
Are you using clustered XFS? If not you will be at serious risk of corrupting your filesystem, if both are mounted r/w
– rusty shackleford
Jun 7 at 13:50
Are you using clustered XFS? If not you will be at serious risk of corrupting your filesystem, if both are mounted r/w
– rusty shackleford
Jun 7 at 13:50
@rustyshackleford Not clustered, thanks for the advice.!
– Zumo de Vidrio
Jun 7 at 13:54
@rustyshackleford Not clustered, thanks for the advice.!
– Zumo de Vidrio
Jun 7 at 13:54
No problem! Posted as an answer with some example clustered filesystems.
– rusty shackleford
Jun 7 at 14:20
No problem! Posted as an answer with some example clustered filesystems.
– rusty shackleford
Jun 7 at 14:20
add a comment |Â
1 Answer
1
active
oldest
votes
up vote
1
down vote
accepted
If you are using a shared block device you must ensure you are using a clustered filesystem if you intend for both servers to be able to write to the filesystem. Otherwise you will undoubtedly corrupt the file system.
Examples of clustered file systems:
GFS
Lustre
OCF
LizardFS
If it's an option, it may be simpler to mount an NFS share on both servers, as this will handle file locking etc.
answered Jun 7 at 14:19
rusty shackleford
1,135115
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
1
Nobtrfsis not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…
– rusty shackleford
Jun 8 at 7:50
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
1
down vote
accepted
If you are using a shared block device you must ensure you are using a clustered filesystem if you intend for both servers to be able to write to the filesystem. Otherwise you will undoubtedly corrupt the file system.
Examples of clustered file systems:
GFS
Lustre
OCF
LizardFS
If it's an option, it may be simpler to mount an NFS share on both servers, as this will handle file locking etc.
answered Jun 7 at 14:19
rusty shackleford
1,135115
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
1
Nobtrfsis not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…
– rusty shackleford
Jun 8 at 7:50
add a comment |Â
up vote
1
down vote
accepted
If you are using a shared block device you must ensure you are using a clustered filesystem if you intend for both servers to be able to write to the filesystem. Otherwise you will undoubtedly corrupt the file system.
Examples of clustered file systems:
GFS
Lustre
OCF
LizardFS
If it's an option, it may be simpler to mount an NFS share on both servers, as this will handle file locking etc.
answered Jun 7 at 14:19
rusty shackleford
1,135115
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
1
Nobtrfsis not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…
– rusty shackleford
Jun 8 at 7:50
add a comment |Â
up vote
1
down vote
accepted
up vote
1
down vote
accepted
If you are using a shared block device you must ensure you are using a clustered filesystem if you intend for both servers to be able to write to the filesystem. Otherwise you will undoubtedly corrupt the file system.
Examples of clustered file systems:
GFS
Lustre
OCF
LizardFS
If it's an option, it may be simpler to mount an NFS share on both servers, as this will handle file locking etc.
answered Jun 7 at 14:19
rusty shackleford
1,135115
If you are using a shared block device you must ensure you are using a clustered filesystem if you intend for both servers to be able to write to the filesystem. Otherwise you will undoubtedly corrupt the file system.
Examples of clustered file systems:
GFS
Lustre
OCF
LizardFS
If it's an option, it may be simpler to mount an NFS share on both servers, as this will handle file locking etc.
answered Jun 7 at 14:19
rusty shackleford
1,135115
answered Jun 7 at 14:19
rusty shackleford
1,135115
answered Jun 7 at 14:19
rusty shackleford
1,135115
answered Jun 7 at 14:19
rusty shackleford
1,135115
1,135115
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
1
Nobtrfsis not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…
– rusty shackleford
Jun 8 at 7:50
add a comment |Â
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
1
Nobtrfsis not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…
– rusty shackleford
Jun 8 at 7:50
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
btrfs would be a valid one? mopar4life.com/btrfs-centos-samba
– Zumo de Vidrio
Jun 8 at 7:19
1
1
No
btrfs is not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…– rusty shackleford
Jun 8 at 7:50
No
btrfs is not a clustered filesystem, and it doesn't look like they plan on making it one: btrfs.wiki.kernel.org/index.php/…– rusty shackleford
Jun 8 at 7:50
add a comment |Â
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1
Are you using clustered XFS? If not you will be at serious risk of corrupting your filesystem, if both are mounted r/w
– rusty shackleford
Jun 7 at 13:50
@rustyshackleford Not clustered, thanks for the advice.!
– Zumo de Vidrio
Jun 7 at 13:54
No problem! Posted as an answer with some example clustered filesystems.
– rusty shackleford
Jun 7 at 14:20