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polycosmic.net

Zerver

• A File Server for a small office or small organization for multiple common protocols, using redundant disks, with a number of system reliability, management, and backup features.
• RAID (Redundant Array of Inexpensive Disks) used to protect against disk failure -- RAID-5-Checksum can keep operating after the failure of any one disk in a Raid-Group, RAID-6 can keep operating after the failure of any two disks, RAID-10 can be configured to keep operating after any disk or after any two disk failures, and RAID-1-Mirror can be used to any desired level of redundancy.
• RAID used to create large file-system space from multiple disks, 16 TB or larger.
• Software RAID allows use of a wide range of disks (compare with "hardware" RAID in which the firmware is on a controller board, and can only operate with the disks directly connected to that controller board).
• Journal-File-System (EXT3 and EXT4) used for quick recovery from unexpected shutdown (generally minutes, not hours for a full File-System Check).
• SmartMirror uses rsync to create and efficiently maintain back-up files between two or more systems, on schedule of hourly, daily, weekly, or monthly, using whatever bandwidth is available. SmartMirror communication between systems may be encrypted.
• SmartMirror scheduling, job linking, and options can be used to automatically make daily, weekly or monthly full-back-up sets, or sets of changed files.
• As NAS-Network-Attached-Storage, sharing data between users is easy.
• With multi communication protocols, sharing data between users accessing with Windows, NFS (for Unix/Linux systems), web-browsers, and/or FTP is easy.
• Using Linux for the kernel and many FOSS Free and Open Source Software projects, there are no per-seat license fees.
• System structure is intended to allow current versions of each of these projects.
• System structure is intended to use a wide-range of hardware, from one to four Intel/AMD CPU, either 32-bit or 64-bit, up to 4 GB of memory for 32-bit CPU, more for 64-bit, from one to eight network connections, with a wide range of disks using SATA, USB, SCSI, and/or IDE.
• The Zerver part of this system is focused on these limited goals, so that set-up and operation will be simple.
• For operation,
  • e-mail alerts are used for system conditions
  • SNMP can be used for performance monitoring
  • NTP can be used to keep time synchronization
  • program ZerverView can be used for some control operations
  • SSH-Secure-Shell can be used for specialized maintenance tasks
• Firmware, configuration, and long-term log files are on a small flash Config-Device, ZerverModule™. All disk space is available for data storage.

• In the past, Zerver firmware would be a part of a package of server-HW and disks, under the names ProZerver, NetZerver, and FileZerver.
• Now Zerver firmware is available --
  • on small (1-16GB) USB flash drives, ready for immediate use
  • as a Bootable-CD which can be used for testing and for install onto your own flash drive
  • as a disk-image ready for use by Virtual Box
  • as a disk-image ready for use by MSFT Virtual Server
  • as an SW Update file that can be used to upgrade or update any of the above

  

• To allow examination of the web interface for the curious, the Zerver at polycosmic.net (also known as polycosmic-zervertest.zapto.org ) has a userid configured with read-only admin permission. Try "rodmin" with credential "Heisenberg42" which should allow extensive examination, but prevents use of "Submit" to make any changes.

File index was last modified 2025-05-03 Sat 13:02 MST (-0700)
Time now is 2025-05-17 Sat 16:30 MST (-0700)
Remote IP address is 3.15.31.125
To contact us:

polycosmic.net/

Phoenix AZ
US

Contact us at polycosmic.info /at/ gmail
or at cbertsch /at/ cox.net
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