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тАО06-23-2005 03:20 AM
тАО06-23-2005 03:20 AM
can disks be shared ?
Thanks,
Tom
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тАО06-23-2005 03:45 AM
тАО06-23-2005 03:45 AM
Re: can disks be shared ?
I do not believe firewire would be appropriate.
You can have two fiber/scsi connections to the disk array and then you can share the disks.
You can use LVM, or LVM and Serviceguard to handle the actual sharing.
What you can not do is have two systems mounting the same disk at the same time. That will under LVM at least work for about 10 seconds before your I/O subsystem goes wild.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО06-23-2005 05:03 AM
тАО06-23-2005 05:03 AM
Re: can disks be shared ?
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тАО06-23-2005 06:22 AM
тАО06-23-2005 06:22 AM
Re: can disks be shared ?
If you mount the file system on two plain servers, each one assumes it has full control over the volume. If you start creating and deleting files you will find out later that the file system has become corrupted, because the file system handler does not how to communicate with the other server(s) to synchronize metadata changes.
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тАО06-23-2005 06:41 AM
тАО06-23-2005 06:41 AM
Re: can disks be shared ?
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тАО06-30-2005 11:26 PM
тАО06-30-2005 11:26 PM
Re: can disks be shared ?
I think there are at least 2 or 3 ways to share your disk with a network-based solution, but connecting directly your disk to both systems won't work, as Uwe described.
1st solution : on the first Proliant you can start NFS or Samba, which allow to create shares over a network. Then, mount the remote share on the local filesystem's second Proliant.
1st solution (bis) : invert the first and the second Proliants.
3rd (?) solution : use a third computer to share the data. Both Proliants will have to mount the shares.
But if you need read-write access, I don't know if it will be enough powerful. If one reads and the other writes, no problem.
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тАО07-01-2005 12:41 AM
тАО07-01-2005 12:41 AM
Re: can disks be shared ?
I've actually build Samba/Raid boxes with very inexpensive hardware that can allow multiple servers to access resources.
For database acess, I'd put mysql or oracle on the same hardware as my little disk appliance.
You might want to email me using this webform. Use the text box to give details.
SEP
http://www.isnamerica.com/contactsep.shtml
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com