"Plug Computing"

Wed Apr 8 20:58:08 MST 2009

Yes I was thinking for storage expansion to use as a NAS

On Tue, Apr 7, 2009 at 5:42 PM, Charles Jones <
charles.jones at ciscolearning.org> wrote:

>  If there is one it is internal and there is no port designed into the
> enclosure to get to it.  It does have various memorycard slots.
> Theoretically if you are using the NAND flash for the filesystem you
> shouldn't need RAID unless you mean for just storage expansion+speed
> purposes.
>
> -Charles
>
> Steve Phariss wrote:
>
> I was looking at these and have a question... does this model have a sata
> II connecter?  the block diagrams seem to say it does, so I am thinking you
> could interface a faster HD interface (raid???)
>
> Steve
>
> On Sat, Apr 4, 2009 at 4:20 PM, Charles Jones <
> charles.jones at ciscolearning.org> wrote:
>
>> I received my SheevaPlug computer on Friday. Here are some pics of what
>> I got: http://www.the-ownage.com/?p=830
>> I have noticed that there are several other companies now using this
>> exact same model, and basically re-selling them as fancy NAS devices.
>> Here is some more info on that:
>> http://www.linuxdevices.com/news/NS9634061300.html  (the list of similar
>> products is near the bottom).
>>
>> I havn't really gotten a chance to put it through its paces yet, as I
>> have been slowed down by trying to compile the uvcvideo module so that I
>> can plug in a usb 2.0 web cam for testing some video-security
>> applications I am working on.
>>
>> Since I'm ssh'd into it now, I will just cut and paste some stuff:
>>
>> root at debian:~# uname -a
>> Linux debian 2.6.22.18 #1 Thu Mar 19 14:46:22 IST 2009 armv5tejl GNU/Linux
>>
>> root at debian:~# cat /proc/cpuinfo
>> Processor       : ARM926EJ-S rev 1 (v5l)
>> BogoMIPS        : 1192.75
>> Features        : swp half thumb fastmult edsp
>> CPU implementer : 0x56
>> CPU architecture: 5TE
>> CPU variant     : 0x2
>> CPU part        : 0x131
>> CPU revision    : 1
>> Cache type      : write-back
>> Cache clean     : cp15 c7 ops
>> Cache lockdown  : format C
>> Cache format    : Harvard
>> I size          : 16384
>> I assoc         : 4
>> I line length   : 32
>> I sets          : 128
>> D size          : 16384
>> D assoc         : 4
>> D line length   : 32
>> D sets          : 128
>>
>> Hardware        : Feroceon-KW
>> Revision        : 0000
>> Serial          : 0000000000000000
>>
>> root at debian:~# cat /proc/mtd
>> dev:    size   erasesize  name
>> mtd0: 00400000 00020000 "uImage"
>> mtd1: 1fb00000 00020000 "rootfs"
>>
>> root at debian:~# df -h
>> Filesystem            Size  Used Avail Use% Mounted on
>> rootfs                507M  329M  179M  65% /
>> tmpfs                 252M     0  252M   0% /lib/init/rw
>> varrun                252M   36K  252M   1% /var/run
>> varlock               252M     0  252M   0% /var/lock
>> udev                  252M  8.0K  252M   1% /dev
>> tmpfs                 252M     0  252M   0% /dev/shm
>> tmpfs                 252M     0  252M   0% /var/cache/apt
>> (Note that when I received the unit the FS was only about 23% full, I
>> have since then installed kernel-source and other packages).
>>
>> Here are the options available in the "uboot" pre-boot environment:
>> Marvell>> ?
>> ?       - alias for 'help'
>> base    - print or set address offset
>> boot    - boot default, i.e., run 'bootcmd'
>> bootd   - boot default, i.e., run 'bootcmd'
>> bootext2    dev:boot_part1,boot_part2 addr boot_image linux_dev_name
>> bootm   - boot application image from memory
>> bootp   - boot image via network using BootP/TFTP protocol
>> bubt    - Burn an image on the Boot Nand Flash.
>> chpart  - change active partition
>> cmp     - memory compare
>> cmpm    - Compare Memory
>> cp      - memory copy
>> cpumap - Display CPU memory mapping settings.
>> crc32   - checksum calculation
>> date    - get/set/reset date & time
>> dclk    - Display the MV device CLKs.
>> dhcp    - invoke DHCP client to obtain IP/boot params
>> diskboot- boot from IDE device
>> echo    - echo args to console
>> eeprom  - EEPROM sub-system
>> erase   - erase FLASH memory
>> ext2load- load binary file from a Ext2 filesystem
>> ext2ls  - list files in a directory (default /)
>> fatinfo - print information about filesystem
>> fatload - load binary file from a dos filesystem
>> fatls   - list files in a directory (default /)
>> fi      - Find value in the memory.
>> flinfo  - print FLASH memory information
>> fsinfo  - print information about filesystems
>> fsload  - load binary file from a filesystem image
>> g       - start application at cached address 'addr'(default addr 0x40000)
>> go      - start application at address 'addr'
>> help    - print online help
>> icrc32  - checksum calculation
>> ide     - IDE sub-system
>> iloop   - infinite loop on address range
>> imd     - i2c memory display
>> imm[.b, .s, .w, .l]     - i2c memory modify (auto-incrementing)
>> imw     - memory write (fill)
>> inm     - memory modify (constant address)
>> iprobe  - probe to discover valid I2C chip addresses
>> ir      - reading and changing MV internal register values.
>> loop    - infinite loop on address range
>> ls      - list files in a directory (default /)
>> map     - Diasplay address decode windows
>> md      - memory display
>> me      - PCI master enable
>> mm      - memory modify (auto-incrementing)
>> mp      - map PCI BAR
>> mtdparts- define flash/nand partitions
>> mtest   - simple RAM test
>> mv_diag - perform board diagnostics
>> mv_diag
>>        - display all available tests
>> mv_diag all
>>        - run all available tests
>> mv_diag test1
>>        - run specified test
>> mw      - memory write (fill)
>> nand                   - NAND sub-system
>> nboot   - boot from NAND device
>> nbubt   - Burn a boot loader image on the Boot Nand Flash.
>> nm      - memory modify (constant address)
>> pci     - list and access PCI Configuration Space
>> phyRead - Read PCI-E Phy register
>> pciePhyWrite    - Write PCI-E Phy register
>> phyRead - Read Phy register
>> phyWrite        - Write Phy register
>> ping    - send ICMP ECHO_REQUEST to network host
>> printenv- print environment variables
>> protect - enable or disable FLASH write protection
>> rarpboot- boot image via network using RARP/TFTP protocol
>> rcvr    - Satrt recovery process (Distress Beacon with TFTP server)
>> reset   - Perform RESET of the CPU
>> resetenv        - Return all environment variable to default.
>> run     - run commands in an environment variable
>> saveenv - save environment variables to persistent storage
>> se      - PCI Slave enable
>> setenv  - set environment variables
>> sflash  - read, write or erase the external SPI Flash.
>> sg      - scanning the PHYs status
>> sp      - Scan PCI bus.
>> tftpboot- boot image via network using TFTP protocol
>> usb     - USB sub-system
>> usbboot - boot from USB device
>> version - print monitor version
>>
>>
>>
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