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polycosmic.net
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Cantera Fountains Proposed Parking Spots sorted by Unit Number
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Cantera Fountains Proposed Parking Spots sorted by Parking Spot Number
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These lists were developed due to problems with earlier versions
(dated 2012-07-19), such as
- Assignment to Spots 0, 16, 17, and 140 which do not exist.
- Assignment to Spots 65-68, which were repainted as 60-63 at some point.
- Two spots are painted as "2", one on south end, listed in these docs as "2(south)",
one on north end, listed as "2(north)".
- There are spots listed variously as N1-N10, or 1N-10N,
including 2N which is near, but different from, "2(north)"
- There is no spot painted as N10.
Those were all problems in the list sorted by Unit Number.
The file sorted by Parking Slot, named 2012-07-19...Diagram.pdf,
had fewer evident errors.
Except for those errors, these lists were consistent.
The documents above are mostly based on the Diagram document,
and are believed to be consistent with each other,
and consistent with the numbers actually painted on the spots.
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These are offered as Proposals,
with the hope that these are the Parking Slot Numbers
that Cantera Fountain Reidents were told were theirs.
Corrections are welcome.
Zerver
What is a FileZerver, NetZerver, ProZerver
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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.
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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.
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RAID used to create large file-system space from multiple disks, 16 TB or larger.
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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).
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Journal-File-System (EXT3 and EXT4) used for quick recovery from unexpected shutdown
(generally minutes, not hours for a full File-System Check).
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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.
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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.
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As NAS-Network-Attached-Storage, sharing data between users is easy.
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With multi communication protocols, sharing data between users
accessing with Windows, NFS (for Unix/Linux systems),
web-browsers, and/or FTP is easy.
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Using Linux for the kernel and many FOSS Free and Open Source Software projects,
there are no per-seat license fees.
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System structure is intended to allow current versions of each of these projects.
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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.
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The Zerver part of this system is focused on these limited goals,
so that set-up and operation will be simple.
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For operation,
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e-mail alerts are used for system conditions
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SNMP can be used for performance monitoring
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NTP can be used to keep time synchronization
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program ZerverView can be used for some control operations
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SSH-Secure-Shell can be used for specialized maintenance tasks
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Firmware, configuration, and long-term log files are on a small flash
Config-Device,
ZerverModule™. All disk space is available for data storage.
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In the past, Zerver firmware would be a part of a package
of server-HW and disks,
under the names ProZerver, NetZerver, and FileZerver.
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Now Zerver firmware is available --
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on small (1-16GB) USB flash drives, ready for immediate use
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as a Bootable-CD which can be used for testing
and for install onto your own flash drive
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as a disk-image ready for use by Virtual Box
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as a disk-image ready for use by MSFT Virtual Server
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as an SW Update file that can be used to upgrade or update any of the above
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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 2026-04-19 Sun 20:14 MST (-0700)
Time now is 2026-04-20 Mon 06:28 MST (-0700)
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Phoenix AZ
US
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