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Mounting Drive for multiple users?

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Hey guys and/or gals! I have a question regarding the Evo. We just installed one for a client and everything seems to be working well except for the fact that only 1 person can mount the drive at a time, while the others can mount it as read only. Is there a way so that multiple users can read/write to this at the same time?

If it makes a lick of difference, our evo is setup with 8 drives in a raid 5 for a total of 12TB in storage. All workstations are connected via FC. There are currently 4 users that need read/write access. The users are setup in admin with read/write (no write exclusive).

Any feed back would be appreciated! Thanks in advance!


Does anyone have some kind of answer? Kinda silly how this expensive product can only allow one person to mount the drive at once when it states that this is used for file sharing/SAN/NAS.

Also, forgot to mention in my previous post, this network is consisted of only Mac's running OSX 10.7.4.

*Side Note*

Actually, no one has to reply to this. I've had nothing but issues with this product which was supposed to be "set and forget". The SanMP software is horrendous and causes nothing but issues as well. Between the constant formats, drive conversions, limited read/write capabilities, and lack of support, I will not recommend this product to anyone.

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Vince, (Is this the same Vince from incident #203172?)

I think there is some confusion here as to what a SAN is, what EVO shared storage is, and how they are used.

A storage area network (SAN) differs from Network Attached Storage (NAS) in that it provides very low latency access to block level data storage. A NAS uses file-based protocols such as NFS or SMB/CIFS, and computers request a portion of an abstract file rather than a disk block.

Given that a SAN provides access to block level data storage, there needs to be management of that access in a shared system. The reason for this is that if two systems are trying to write to the same block, there will be data corruption.

A full metadata controller is one way to exert this control. A full metadata controller often requires one or two separate servers, operating on a dedicated TCP network.

SANmp was developed to be a low cost, non-server based, alternative that is easier to configure and faster to deploy. SANmp does this by dynamically allowing one system Read-Write access to a volume at a time. This is much more straightforward than file-level access, and produces no system overhead on the server and minimal overhead on the workstation.

The EVO system does not specifically require the use of SANmp, nor is SANmp limited to use with an EVO. EVO is a highly configurable, high performance RAID system that provides SAN access to virtualized logical storage. The way in which EVO provides storage is non-proprietary and can be used with a multitude of management systems. SANmp is the solution that we have available.

EVO and SANmp were designed to be easily configurable without the need for extensive training. That being said, a basic knowledge of SAN systems and how they work is of great help. Our manuals may give you a head-start in understanding how the combination of hardware and software work together. I would also suggest the Wikipedia articles regarding the subject.

If you are having problems resolving workflow issues, which can be quite complicated at times, we have several product specialists that would be able to give you advice.

Kind Regards,


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