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RESERVE RELEASE commands emulation.

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RESERVE RELEASE commands emulation.

Postby nix239 » Fri Jun 25, 2004 3:44 pm

My dream for two years has been building Microsoft cluster without any SCSI disk. The key question is that "physical disk" resource type must support RESERVE and RELEASE SCSI commands. Most iSCSI target implementations just translate these commands to undrlying devices. This is a huge limitation however since the device sharing in this scenario is done among multiple iSCSI initiators and the locking mechanism would be better implemented by iSCSI target module itself.

If you succeed it would qualify your software as a breakthrough in SAN technology.

Accept a challenge?


Postby Guest » Sat Jun 26, 2004 10:52 am


what file system do you want to sit on the top of the storage stack built around such a "virtualized" hard disk device? NTFS (even with add-on in the way of filters) would not work... Need something "special" with the distributed lock mechanism. Kind of a mix of a network and local file system.


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