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Messages 1 to 7 of 7 total |
DBISam V4 On Linux File Server |
Wed, Jul 21 2010 8:20 PM | Permanent Link |
Gregory Sebastian | Hi All,
I'm trying to deploy a DBISam V4 driven App on a network running a Linux File Server. The app is setup to use local sessions in file sharing. So the apps were installed on the local HD on Windows XP pro workstations while the DB folder was put on a shared network folder on the Linux File Server. So far everything looks fine. But with my limited knowledge of the Linux OS and the record locking mechanisms implemented in DBISam, just wondering : - Does the DBISam engine in the client apps handle ALL record locking or does the host operating system also play a part in this ? - How is record locking handled in DBISam remote sessions. Is is solely handled by the DBISam Server ? - Will there be any issues with the data files hosted on a Linux File Server or must it always be a Windows server or OS ? TIA Gregory Sebastian |
Thu, Jul 22 2010 8:48 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Gregory,
<< - Does the DBISam engine in the client apps handle ALL record locking or does the host operating system also play a part in this ? >> Samba on Linux handles the locking, and it can vary from very reliable to not so reliable, depending upon the Samba version being used and the client OS's. Samba uses the MS-spec'ed SMB protocol, so it has a very tough job keeping up with a moving target. << - How is record locking handled in DBISam remote sessions. Is is solely handled by the DBISam Server ? >> Yes. << - Will there be any issues with the data files hosted on a Linux File Server or must it always be a Windows server or OS ? >> See above. Just make sure to test it thoroughly and make sure that your customers use a version of Samba that you know works fine. -- Tim Young Elevate Software www.elevatesoft.com |
Thu, Jul 22 2010 7:34 PM | Permanent Link |
Gregory Sebastian | Thanks again for the great support Tim.
cheers Gregory Sebastian |
Sat, Jul 24 2010 4:57 PM | Permanent Link |
Raul Team Elevate | I know this is not a supported configuration by Elevate Software but based on personal experience DBISAM seems to run quite happily using WINE (http://www.winehq.org/) on Linux. This eliminates SAMBA and network share from equation but i don't know if anybody has run it with non-trivial workload to see how well it works. Raul |
Tue, Jul 27 2010 8:52 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Raul,
<< I know this is not a supported configuration by Elevate Software but based on personal experience DBISAM seems to run quite happily using WINE (http://www.winehq.org/) on Linux. This eliminates SAMBA and network share from equation but i don't know if anybody has run it with non-trivial workload to see how well it works. >> Interesting, I'll have to try it on Ubuntu and see how it works. Does WINE just implement their own SMB layer or are you talking about running the DBISAM Database Server ? -- Tim Young Elevate Software www.elevatesoft.com |
Tue, Jul 27 2010 9:27 AM | Permanent Link |
Raul Team Elevate | "Tim Young [Elevate Software]" wrote:
<< Interesting, I'll have to try it on Ubuntu and see how it works. Does WINE just implement their own SMB layer or are you talking about running the DBISAM Database Server ? >> Sorry - i meant running DBSRVR (or EDBSRVR) directly on the Linux box. WINE implments Win32 API so DBSRVR/EDBSRVR in this scenario would not need samba at all. It would be running "natively" if you can call it that - DBSRVR would issue a win32 api command, wine would "translate" it into Linux API command etc. Essentially it would be managing files directly as it does on windows. I have run both DBSRVR and EDBSRVR successfully on Linux (CentOS in my case) but never really tested under proper multi-user load. Raul |
Wed, Jul 28 2010 4:33 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Raul,
<< I have run both DBSRVR and EDBSRVR successfully on Linux (CentOS in my case) but never really tested under proper multi-user load. >> Provided that WINE is working as-advertised, it should work great. -- Tim Young Elevate Software www.elevatesoft.com |
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