SCSI Attached Storage Drops off Network

After grading to current gen Mac Pro running 10.8.2, I have noticed that my Attached Scsi storage drops off of our network on a regular basis. This was never a problem on my late 2007 Mac Pro running 10.6.X When we upgraded we kept the same ATTO UL5D and just moved it over to the new maching and installed the latest drivers.
The fix to get the drive back on the network is to restart the machine but this is not really the best solution as sometimes if I am in the middle of something I can't just restart the computer.
Everything seems correct in the networking settings and the drive is shared under the get info. Access to the other drives seems to be fine. The one odd thing is that The whole drive comes up under the networking section of the finder as well as the one directory - our photo library, seems that access to that one directory is okay but when I just looked the no access red circle was there for the rest of the drive. I disconnected and then reconnected and all the drives came up with the Whole Drive in question greyed out but that one directory again listed seperatly and accessable.. It is very odd.
any isight would be appreciated
-D

SCSI Attached Storage is something else.
You have parallel SCSI drive(s) attached to your Mac with a SCSI card. You appear to be using
System Preferences > Sharing > File Sharing ...
... to Share them with other Macs on your Network.
Mac OS X File Sharing is completely dependent on the Permissions system. If you get the red circle minus sign "no access" symbols, you usually need to change who-gets-access under File Sharing.
If the drives disappear, you can sometimes get them back by using the Finder's Connect to Server, or disconnecting and re-connecting in a Finder window on the remote Mac.
Mac OS X 10.6: Sharing files with others on your network

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Pixma MX922 drops off network, what ports need to be opened

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Phaser 3250DN drops off network after printing one or two pages

I have a Phaser 3250DN printer that has started dropping off the network after switched on and printing one or two pages. If I power cycle the printer, it comes back online, but then drops off the network again almost immediately so I can't print any more pages. The printer fails to respond to pings while in this state. The printer is 4 years old but has had >extremely< light usage. We've printed about one thousand pages total and is only turned on when we want to print something so most of the time it's physically powered off.

Network drop-offs can occur for a variety of reasons and be triggered by a variety of causes. You may want to make sure you are using the latest software release on the product, as well as check the network firewall configuration settings. In addition, sometimes disabling unused networking protocols can reduce traffic the device is exposed to and ease the burden if traffic volume is what is shutting down the NIC.
Another thing to consider would be the network topography itself; make sure the device is on a subnet exposed to minimal broadcast/multicast traffic.
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You may also find additional support articles at the following link: Phaser 3250 KB - http://www.support.xerox.com/support/phaser-3250/support/enus.html
I hope this helps.
Have a great day.

Apple TV drops off network.

Apple TV returns the error ATV-N.P.LASU1 from the Netflix App after which time it is no longer visible on my network and cannot be reached using the Remote App on iOS 6. This seems to be recent behavior resulting from an update to Apple TV or iOS 6 itself. Previously Netflix errors did not seem to cause the same connection problem with the Remote App.
Steps to reproduce
1) watch something on netflix
2) netflix times out or program ends
3) trying to return to menu causes error above
4) you cannot exit netflix and return to main Apple TV menu
5) remote app stops connecting
I bought a regular Apple Remote to replace the long lost original and the AppleTV responds to this remote (of course it is infrared) but you still cannot exit the Netflix App.
Rebooting the Apple TV solves the problem. Waitng an indeterminate amount of time *sometimes* solves the problem when Netflix seems to clear its own network issue.
Oh by the way, 2nd Gen Apple TV is connected via a switch to an ethernet port on a Time Capsule. And this setup has worked fine for several years.
Anyone know of a more permanent fix for this? Apple are you listening?

Sightly diff. setup, but same dropped-network symptoms. ATV2 drops off the wireless or wired network every few hours. A restart thru the ATV menu fixes it. ATV3 running of the same wireless works fine. ATV2 is back on FW 5.0.1, ATV3 is on 5.1. Could be related, but the ATV2 had been running fine like that for a long time!

AirPort Express 802.11N (2nd generation) Drops off Network

I have recently purchased the Airport Express (2nd generation) and wanted to use it for streaming music through Spotify from my Ipad.
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Forgot to say that the green light stays on the Airport Express even when it has dropped off the network and one no longer can use it for Airplay through Spotify as well as the yellow trianlge shows up in the Airport Utility and says "device not found".

Ethernet Between Extreme and Time Capsule Causes TC to drop off network.

This stumped Apple Support:
Set up.
Basement (where service enters the home):
CABLE MODEM ===> AIRPORT EXTREME (router and wifi) I have my Directv SWM Ethernet connected here.
I have an Ethernet cable run from here to my upstairs office.
Upstairs Office:
TIME CAPSULE ===> Ethernet to each of three IMACs (which back up to the TC)
Various AP Express for music and wireless extenders.
Here is my issue. All of the components work perfect when the AP Extreme, TC, and AP Express(es) are on WIFI.
When I try to connect the TC to the Extreme over Ethernet the TC drops off the network.
(This happens with or without the Directv connected)
This is frustrating because I hate losing the speed to my imac's by using wifi vs. Ethernet.
Any help would be appreciated.

Close AirPort Utility if it is open.
With the TC powered on, hold in the reset button on the back of the TC for 9-10 seconds and then release. Allow a full minute for the TC to restart to a slow, blinking amber light.
Connect the Ethernet cable (I assume that you have already tested to make sure that it is working correctly) to the WAN "O" port on the TC.
Click the AirPort icon at the top of the screen and wait a minute for a listing of New AirPort Base Station to appear. Just below that, click directly on Time Capsule.
(The example below shows an AirPort Express. You will see Time Capsule instead of AirPort Express)
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Enter a device name that you want to use for the Time Capsule and click Next
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Wait another minute. When you see the messge of Setup Complete, click Done. That's it.

Time Capsule dropping off network after only a few minutes?

Right, I've had a good look through the forums and found a few similar issues to mine but none that are exactly the same or provide any answers, so I'll give it a go and see if anyone has a clue what is going on because I'm stumped.
I've got a new TimeCapsule which is connecting to my home network (through a belkin router), and for the first few days it worked fine. But ever since it's been acting up. To start with it kept dropping from the network and not showing up in either Airport Utility or Finder. Initially simply restarting it worked, but the dropping started getting progressively worse. I tried renaming the machine with a shorter title and no spaces, but the problem continued. Eventually it got to the point where the machine would just hang when switched on with either a solid green or solid amber light - no audible startup procedure or anything. Resetting the machine made no difference - sometimes the light would flash amber and sometimes it would do nothing at all, but neither did anything to the actual machine.
I left the machine off for a good few hours and switched it back on and it showed up in my system long enough for me to reset it and reconfigure it. Then as I tried to change the disc name to something short and without spaces it dropped out again and now seems dead as a dodo once more.
I have checked the local wireless networks, and it seems mine is using channel 2, which no one else seems to be. But I can't stay connected to the TC to change it anyway.
Ironically when it is working it's fine and I can access the files and everything. I'd be tempted to take it back tomorrow but I had moved a few files to the HD when it was working that I'd rather not lose forever.
Any ideas?

I got my puzzle here:
Time Capsule (Firmware 7.3.2) dropping internet connections (PPPoE) every 2-3 minutes, then automatically re-connect.
Time Capsule 500G - bought yesterday
ISP stability - 4 years, I've been using
Computers - PC (Vista), MBP (Mac OS X 10.5.6), MBA (Mac OS X 10.5.6) --- but seems not related to this issue. Even shut down the computers, TC still drops; No "Real Player Updater" found though...
I have to get back to my $55 Buffalo and it's running perfectly stable now...

WRT310n drops off network randomly.

The connection (wired or wireless) will just drop for about 20 seconds, and then pop back up. If you are looking at the lights on the router you will see them go off as if you did a reset. It has been doing this regularly for 1 - 2 weeks now, ever since I got it. It will also loose all of the settings in the firmware (they all go back to factory defaults) this is not the case all of the time but it happens every other day or so. I have made a settings backup for this issue and created new copies (after manually resetting to factory defaults) to eliminate the possibility of restoring a corrupt backup. I have cloned my PC's Mac and double checked it with IP config, I have also upgraded the firmware to the latest version. I have also tried several of the tips from the forums such as holding the reset for 30sec unplugging (while keeping the reset held in) hold for another 30 sec. I have cable access through roadrunner and the cable modem model is sb5101. I am running XP and Vista systems on the network, which I don't think is part of the problem as it will effect the entire network when the problem occurs. I am wondering if the router is defective? This is the second one I have had, the wireless portion died on the first one I had after the first day.
Any help, or info is greatly appreciated.
andremj
Message Edited by andremj on 04-17-2009 07:08 AM
Message Edited by andremj on 04-17-2009 09:21 AM
Message Edited by andremj on 04-17-2009 12:24 PM

Have you tried upgrading the firmware of your router. I think once you upgrade the firmware of your router this might solve all your problems.Click on Download 3.23 MB and save the file on your Desktop.
Follow these steps to upgrade the firmware on the device : -
Open an Internet Explorer browser page on a computer hard wired to the router...
In the address bar type - 192.168.1.1...Leave the username blank & in password use admin in lower case...
Click on the 'Administration' tab- Then click on the 'Firmware Upgrade' sub tab- Here click on 'Browse' and browse the .bin firmware file and click on "Upgrade"...
Wait for few seconds until it shows that "Upgrade is successful" After the firmware upgrade, click on "Reboot" and you will be returned back to the same page OR it will say "Page cannot be displayed".
Now reset your router :
Press and hold the reset button for 30 seconds...Release the reset button...Unplug the power cable from your router, wait for 30 seconds and re-connect the power cable...Now re-configure your router...
Open an Internet Explorer browser page.In the address bar type - 192.168.1.1,Leave the username blank & in password use admin in lower case...
Below the "Setup" tab you will find MTU, which will be set to AUTO, so you need to change it to Manual and change the Size from 1500 to 1365 and Click on Save Settings.
Open an Internet Explorer browser page on your wired computer(desktop).In the address bar type - 192.168.1.1
Leave username blank & in password use admin in lower case...
For Wireless Settings, please do the following : -
Click on the Wireless tab
-Here select manual configuration...Wireless Network mode should be mixed...
-Provide a unique name in the Wireless Network Name (SSID) box in order to differentiate your network from your neighbours network...
- Set the Radio Band to Wide-40MHz and change the Wide channel to 9 and Standard Channel to 11-2.462GHz...Wireless SSID broadcast should be Enabled and then click on save settings...
Please make a note of Wireless Network Name (SSID) as this is the Network Identifier...
For Wireless Security : -
Click on the Sub tab under Wireless > Wireless Security...
Change the Wireless security mode to WPA, For Encryption, select AES...For Passphrase input your desired WPA Key. For example , MySecretKey , This will serve as your network key whenever you connect to your wireless network. Do NOT give this key to anyone.
NOTE : Passphrase should be more that 8 characters...
Click on Advanced Wireless Settings
Change the Beacon Interval to 75 >>Change the Fragmentation Threshold to 2304 Change the RTS Threshold to 2307 >>Click on "Save Settings"...
Now see if you can locate your Wireless Network and attempt to connect...

HP 2320 network printer keeps dropping off network

I have a small home network, running off a current gen TimeCapsule. I have an HP Colorlaser CM2320 network laser printer connected to a 5-port switch on the network. Randomly, the printer disappears. When selected in a print dialog, the satus is offline. But of course, it's not offline. It's connected and powered on, the switch is connected and powered on. I have powered cycled the printer, the switch, and the TimeCapsule. No success. Later, the printer magically becomes visible again. Later still, is goes away. This is driving me and my family crazy. The most recent problem started a few days ago. I printed several documents with no problem. My wife later in the day tried to print, but nothing. I spent several hours power cycling all the devices, plugging and unplugging ethernet cables, but no success. The next day, all of a sudden it starts printing my wife's document. A few hours pass, and I want to print, but the printer has again disappeared. It has not come back in two days now.
Thanks to anyhone who can help. Rick

Betcha it is Lion on the computer.. I have a network HP laser and it never goes offline with SL.. and TC running good old reliable 7.5.2 firmware.
The printer name and IP must be recognised by the Mac.. did you lock the values on the printer or are you using dhcp?
I recommend for printer lock the IP and name in the printer setup.
If you still have issues see if you can ping the printer.. by IP and by Name.. if it fails please post the details of what actually fails.. For Lion and latest TC firmware Apple have some way to go to fix networking issues.

IMac G4 dropped off network

Hello,
I have a home business network set-up where I do my creative work on an iMac G4 and Mac Book and use a cheap box PC as a print server for my wide format and large colour laser printer. The PC, iMac and laser printer are connected to a Lynksys WRT54GS by ethernet and the MacBook to the router via wireless g.
Everything has been going great with all machines able to see, print and fileshare with each other. The other day, having done nothing special to the machine or new programs loaded, the iMAc convinced itself it is off the network.
In the Status tab of Network prefs, I am told that an ethernet cable is not connected, yet the MacBook can still mount the User/Computer volume ofthe iMac (but can not see the hard drive as a sharable volume). So the ethernet connection has not failed. Running diagnostics bangs into the "your ethernet cable is not plugged in".
From the PC side - it can see the MacBook and vice versa but tells me I do not have sufficient permissions or password (whatever) to mount the iMac drive.
Investigating the entire Network prefs pane, it seems that all settings are normal - IP addresses, etc.
When I tried to print to the ethernet printer, I was told by the iMac that "Appletalk is not enabled" (it is).
Any thoughts on this one?
TIA
Brian H
iMac G4 800Mhz and Mac Book 2.0Ghz Mac OS X (10.4.6) Lynksys wireless router, Airport Express

airport (snow) network with g3 ibook, intel imac and
g4 imac. g4 was tuned off for couple days and will
now not see home wireless network. airport symbol
appears gray and it shows up in system profile, so i
think it is functioning. in addition, the other
computers, as well as this problematic g4 imac have
always picked up 3 or 4 other neighborhood networks.
but now this g4 imac will not see any of these other
networks when the other 2 computers do.
i have tried the airport admin utilities and network
assistant in preferences with not luck. the fact
this computer is not seeing any of the networks that
the other 2 are picking up makes me think this is a
hardware problem ( card, wire). before i take it
appart, are there any recommendations. thanks.
I also have an airport (snow) network with G3 iBook, intel iMac and G4 iMac. I also have been able to pick up 3 or 4 neighborhood networks with all three computers. After a recent power outage, my G4 was no longer able to see any of the networks (my intel imac and ibook G3) automatically reconnected to my home network. My G4 cannot seem to see the airport. I have run airport admin utilities and network assistant (diagnostics and assist me) with no luck. Can anyone help us?
Thanks.

Ipod Touch drops off network all the time

I am using a 2nd generation Ipod Touch to control Itunes on a Mac Mini. I am using the "Remote" application on my Ipod. I do not use the Ipod for anything else but remote control. There is no music on my Ipod.
I have the "stay connected" switched ON under remote settings in my Ipod. But almost every time I pick the Ipod up to use it it says:
"Can not connect to the local Network"
Then it generally does connect in a few seconds after I push a button. But sometimes I have to reboot the Mac Mini to get it to work. (I am not sure why this helps becasue I am using my Netgear Modem/router for my Network - not the Mac Mini....). My music library is on the Mac Mini.
Any ideas?
Thanks!

- Connect the iPod to your computer. If iTunes sees the iPod then restore the iPOd.
- Next see if recovery mode will allow iTunes to see the iPod so your can restore it. For recovery mode see:
iPhone and iPod touch: Unable to update or restore
- Then try DFU mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- Then, let the battery fully drain and then charge and try again.
- Last, make an appointment at the Genius Bar of an Apple store.

I want a new and more powerful (non-Apple) wireless router but I still want to use my existing Time Capsule to continue with my Time Machine backups and I still need the Time Capsule's Network Attached Storage (NAS) features and capabilities

THE SHORTER STORY
My goal is to successfully use my existing Time Capsule (TC) with a new and more powerful wireless router. I need a new and more powerful wireless router in order to reach a distant Denon a/v receiver that is physically located in a master bedroom some 50 feet away from my modem. I need to provide this Denon a/v receiver with an Internet connection so that it can obtain its firmware updates and I need to connect this Denon a/v receiver to my network in order to use its AirPlay feature. I believe l still need the TC's Network Attached Storage (NAS) features because I am not sure if the new wireless router will provide me with the NAS like features / capabilities I need to share files between my two Apple laptops with OS X 10.8.2. And I know that I absolutely need my TC's seamless integration with Apple's Time Machine (TM) application in order to continue to make effortless backups of my two Apple laptops. To my knowledge nothing works with TM like Apple's TC. I also need the hard disk storage space built into the TC.
I cannot use a long wired Ethernet cable connection in this apartment and I cannot use power-line adapters. I have read that wireless range extenders and repeaters are difficult to successfully set-up and that they will reduce data speeds, especially so when incorrectly set-up. I cannot relocate my modem and/or primary base station wireless router.
In short, I want to use my TC with my new and more powerful wireless router. I need to stop using the TC to connect to the modem. However, I still need the TC for seamless TM backups. I also need to use the TC's built in hard drive for storage. And I may still need the TC's NAS capabilities to share files wirelessly between laptops because I am assuming the new wireless router will not provide NAS capabilities for OS X 10.8.2 (products like this/non-Apple products rarely seem to work with OS X 10.8.2/Macs to provide NAS features and capabilities). Finally, I want to continue to use my Apple laptop and AirPlay to wirelessly access and play my iTunes music collection stored on the TC's hard drive. I also want to continue to use my Apple laptop, AirPlay and Apple TV to wirelessly watch movies and TV shows stored on the additional external hard drive connected to the TC via USB. Can someone please advise on how to set-up my new Asus wireless router with my existing TC in such a way to accomplish all of this?
What is the best configuration or set-up to accomplish my above goals?
Thank you in advance for your assistance!!!
THE FULL STORY
I live in an apartment building where my existing Time Capsule (TC) is located in my living room and serves many purposes. Specially, my TC is at least all of the following:
(1) Wi-Fi router connected to Comcast Internet service via Motorola SB6121 cable modem - currently the TC is the Wi-Fi base station that connects to the modem and has the gateway address to the Internet. The TC now provides the DHCP service for the Wi-Fi network.
(2) Wireless router providing Internet and Wi-Fi network access to several Wi-Fi clients - two Apple laptop computers, an iPod touch, an iPad and an iPhone all connect wirelessly to the Internet via the TC.
(3) Wired Ethernet router providing Internet and Wi-Fi network access to three different devices - a Panasonic TV, LG Blu-Ray player and an Apple TV each use one of the three LAN ports on the back of the TC to gain access to the Internet.
(4) Primary base station in my attempt to extend my wireless network to a distant (located far away) Denon a/v receiver requiring a wired Ethernet connection - In addition to the TC, which is my primary base station, I am also using a second extended Wi-Fi base station (a Netgear branded product) to wirelessly extend my WiFi network to a Denon receiver located in the master bedroom and requiring a wired Ethernet connection. I cannot use a wired Ethernet connection to continuously travel from the living room to the master bedroom. The distance is too great as I cannot effectively hide the Ethernet cable in this apartment.
(5) Time Machine (TM) backup facilitator - I use my TC to wirelessly back-up two Apple laptops using Apple's Time Machine (TM) application. However, I ran out of storage space on my TC and therefore added external storage to it. Specifically, I added an external hard drive to my TC via the USB port on the back of the TC. I now use this added external hard drive connected to the TC via USB as the destination storage drive for my TM back-ups. I have partitioned the added external hard drive, and each of the several partitions all have enough storage space (e.g., each of the two partitions used by TM are sized at three times the hard drive space of each laptop, etc.). Everything works flawlessly.
(6) Network Attached Storage (NAS) - In addition to using the TC's Network Attached Storage (NAS) capabilities to wirelessly back-up two Apple laptops via TM, I also store other additional files on both (A) the hard drive built into the TC and (B) the additional external hard drive connected to the TC via USB (there are additional separate partitions on this drive for these other additional and non-TM backup files).
I use the TC's NAS feature with my Apple laptop and AirPlay to wirelessly access and play my iTunes music collection stored on the TC's hard drive. I also use my Apple laptop, AirPlay and Apple TV to wirelessly watch movies and TV shows stored on the additional external hard drive connected to the TC via USB. Again, everything works wirelessly and flawlessly. (Note: the Apple TV is connected to the network via Ethernet and a LAN port on the back of the TC).
The issue I am having is when I try to listen to music via Apple's AirPlay in the master bedroom. This master bedroom is located at a distance of two rooms away from the TC's current location in the living room, which is a distance of about 50 feet. This apartment has a long rectangular floor plan where each room is connected to the next in a straight line. In order to use AirPlay in the master bedroom I am using a second extended Wi-Fi base station (a Netgear branded product) to wirelessly extend my WiFi network to a Denon receiver located in the master bedroom and requiring a wired Ethernet connection. This additional base station connects wirelessly to the WiFi network provided by my TC and then gives my Denon receiver the wired Ethernet connection it needs to use AirPlay. I have tried moving my iTunes music directly onto my laptop's hard drive, and then I used AirPlay on this same laptop to connect to the Denon receiver. I always get a successful connection and the song plays, but the problem is that the connection inevitably drops.
I live in an apartment building and all of the many wireless routers in this building create a great deal of WiFi interference on both the 2.4 GHz and 5GHz bands. I have tried connecting the Netgear product to each the 2.4 and 5 GHz bands, but neither band can successfully maintain a wireless connection between the TC and the Netgear product. I also attempted to maintain a wireless connection to an iPod touch using the 2.4 GHz band and AirPlay on this iPod touch to play music on the Denon receiver. Again, I was able to establish a connection and successfully play music, but after a few minutes the connection dropped and the music stopped playing. I therefore have concluded that I have a poor wireless connection in the master bedroom. I can establish a connection, but it is intermittent with frequent drops. I have verified this with both laptops by working in the master bedroom for an entire day on both laptops. The Internet connection in this master bedroom proved to drop out frequently - about once an hour with the laptops. The wireless connection and the frequency of its dropout are far worse with the iPod touch and an iPhone.
I cannot relocate the TC. Also, this is an apartment and I therefore cannot extend the range of my network with Ethernet cable (I cannot drill through walls/ceilings, etc.). It is an old building with antiquated wiring and power-line adapters are not likely to function properly, nor can I spare the direct power outlet required with a power-line adapter. I simply need every outlet I can get and cannot afford to block any direct outlet.
My solution is to use a more powerful wireless router. I found the ASUS RT-AC66U Dual-Band Wireless-AC1750 Gigabit Router which will likely provide a better connection to my wireless Internet in the master bedroom than the TC. The 802.11ac band of this Asus wireless router is totally useless to me, but based on what I have read I believe this router will provide a stronger connection at greater distances then my TC. And I will be ready for 802.11ac when it becomes more widely available.
However, I still need to maintain the TC's ability to work seamlessly with TM to backup my two laptops. Also, I doubt the new Asus router will provide OS X 10.8.2 with NAS like features and capabilities. Therefore, I still would like to use the TC's NAS capabilities to share files on my network wirelessly assuming the Asus wireless router fails to provide this feature. I need a new and more powerful wireless router, but I need to maintain the TC's NAS features and seamless integration with TM. Finally, I want to continue to use my Apple laptop and AirPlay to wirelessly access and play my iTunes music collection stored on the TC's hard drive. I also want to continue to use my Apple laptop, AirPlay and Apple TV to wirelessly watch movies and TV shows stored on the additional external hard drive connected to the TC via USB. Can someone advise on how to set-up my existing TC with this new Asus wireless router in such a way to accomplish all of this?
Modem
Motorola SB6121 SURFboard DOCSIS 3.0 Cable Modem
Existing Wireless Router and Primary Wi-Fi Base Station - Apple Time Capsule
Apple Time Capsule MC343LL/A 1TB Sim DualBand (purchased June 2010, likely the Winter 2009 Model)
Desired New Wireless Router and Primary Wi-Fi Base Station - Non-Apple Asus
ASUS RT-AC66U Dual-Band Wireless-AC1750 Gigabit Router
Extended Wi-Fi Base Station - Provides an Ethernet Connection to a Denon A/V Receiver Two Rooms Away from the Modem
Netgear Universal Dual Band Wireless Internet Adapter for TV & Blu-Ray (WNCE3001)
Addition External Hard Drive Attached to the Existing Apple Time Capsule via USB
WD My Book Studio 4TB Mac External Hard Drive Storage USB 3.0
Existing Laptops on the Wireless Network Requiring Time Machine Backups
MacBook Air (11-inch, Mid 2012) OS X 10.8.2
MacBook Pro (13-inch Mid 2010) OS X 10.8.2
Other Existing Apple Products (Clients) on the Wireless Network
iPod Touch (second generation) is model A1288.
iPad (1st generation)
Apple TV (3rd generation) - Quantity two (2)

Thanks Bob Timmons.
In regards to a Plan B, I hear ya brother. I am already on what feels like Plan Z. Getting WiFi to a far off room in an apartment building crowded with WiFi routers is a major pain.
I am basing my thoughts on the potential of a new and more powerful router reaching the far off master bedroom based on positive reviews on cnet.com, pcmag.com and pcworld.com. All 3 of these web sites have reviewed the Asus RT-AC66U 802.11AC wireless router as well as its virtual twin cousin 802.11n router. What impressed me is that all 3 sites rated this router #1 overall in terms of both range and speed (in both the 802.11n and 802.11AC flavors). They tested the router in real world scenarios where the router needed to compete with a lot of other wireless routers. One of the sites even buried this Asus router in a media room with thick walls and inside a media cabinet. This Asus router should be able to serve my 2.4 GHz band wireless clients (iPod Touch and iPhone 4) with a 2.4GHz Wireless-N band offering some 50 feet of dependable range and a 60 Mbps throughput at that range. I am hoping that works, but it's borderline for my master bedroom. My 5 GHz wireless clients (laptops) will enjoy a 5GHz Wireless-N band offering 150 feet of range and a 200 Mbps throughput at that range. I have no idea what most of that stuff means, but I did also read that Asus could reach 300 feet and I got really excited. My mileage may vary of course and I'm sure I'm making some mistakes in my interpretation of their data. However, my Winter 2009 Time Capsule was rated by cnet.com to deliver real world performance of less than that, and 802.11AC may or may not be useful to me someday. But when this Asus arrives and provides anything other than an excellent and consistent wireless signal without drops in the master bedroom it's going right back!
Your solution sounds great, but I have some questions. I'm using OS X 10.8.2 and Airport Utility (version 6.1 610.31) and on its third tab labeled "Wireless" the top option enables you to set "Network Mode" to either:
Create a wireless network
Extend a wireless network
Off
Given your advice to "Turn off the wireless on the TC," should I set Network Mode to Off? Sorry, I'm clueless in regards to how to turn off the wireless on the TC any other way. Can you provide specific steps on how to turn off the wireless on the TC? If what I wrote is correct then what should the rest of this Wireless tab look like, or perhaps it is irrelevant when wireless is off?
Next, what do you mean by "Configure the TC in Bridge Mode?" Under Airports Utility's fourth tab labeled "Network" the top option "Router Mode" allows for either:
DHCP and Nat
DHCP Only
Off (Bridge Mode)
Is your advice to Configure the TC in Bridge Mode as simple as setting Router Mode to Off (Bridge Mode)? If yes, then what should the rest of this "Network" tab look like? Anything else involved in configuring the TC in Bridge Mode or is it really as simple as setting the Router Mode to "Off (Bridge Mode)"?
How about the other tabs in Airport Utility, can they all stay as is assuming I use the same network name and password for the new Asus wireless router? Or do I need to make any other changes to the TC via Airport Utility?
Finally, in regards to your Plan B suggestion. I agree. But do you have a Plan B for me? I would greatly appreciate any alternative you could provide. Specifically, if you needed a TC's Internet connection to reach a far off corner of your home how would you do it? In the master bedroom I need both a wired Ethernet connection for the Denon a/v receiver and wireless Internet connection for the iPhone and iPod Touch.
Power-Line Adapters - High Cost, Blocks at Least One Wall Outlet and Does Not Solve the Wireless Need
I actually like exactly one power-line adapter, which is the D-Link DHP-540 PowerLine AV 500 4-Port Gigabit Switch. This D-Link power-line adapter plugs into your wall outlet with a normal sized plug (regular standard power cord much like any other electronic device) instead of all of the other recommended power-line adapters that not only use at least one wall outlet but also often block the second outlet. You cannot use a power strip with a power-line adapter which is very impractical for me. And everything about my home is strange and upside down. The wiring here is a disaster and I don't have faith in its ability to carry Internet access from the living room to the master bedroom. And this D-Link power-line adapter costs $90 each and I need at least two to make the connection to the Denon A/V receiver. So, $180 on this solution and I still don't have a dependable drop free wireless connection in the master bedroom. The Denon might get its Ethernet Internet connection from the power-line adapter, but if I want to use an iPhone 4 or iPod Touch to stream AirPlay music to the Denon wirelessly (Pandora/iTunes, etc.) from the master bedroom the wireless connection will not be stable in there and I've already spent $190 on just the two power-line adapters needed.
Extenders / Repeaters / Wirelessly Extending the Wireless Network
I have also read great things about the Amped Wireless High Power Wireless-N 600mW Gigabit Dual Band Range Extender (Repeater) SR20000G and the My Net Wi-Fi Range Extender. The former is very powerful and the latter is easier to install. Both cost about $150 ish so similar to a new Asus router. However, everything I read about Range Extenders points to them not being very effective for a far off corner of your house wherein it's apparently hard to place the range extender in the sweet spot where it both gets a strong enough signal to actually effectively extend the wireless signal and otherwise does not reduce network throughput speeds to unacceptable speeds.
Creating a Roaming Network By Hard Wiring with Ethernet Cable - Wife Would Say, "**** No!"
Even Apple seems to warn against wirelessly extending your network (see: http://support.apple.com/kb/HT4145#) and otherwise strongly recommends a roaming network where Ethernet cable is used to connect two wireless base stations. However, I am in an apartment where stringing together two wireless base stations with Ethernet cable would have an extremely low wife acceptance factor (WAF). I cannot (both contractually and from a skill prospective) hide Ethernet wire in the walls or ceiling. And having visible Ethernet cable running from room-to-room would be unacceptable, especially to the wife.
So what is left? Do you have a Plan B for me? Thanks in advance for your help!

Installing RAC on External Network Attached Storage

Is it possible to use External Network Attached Storage device to install Oracle RAC?
It is much cheapter than to buy SAN or other devices.. All I am thinking it buying a External NAS enclosure and put a couple of hard disks in it and use it as NAS to store RAC database..
any suggestions?
Thanks
Data Sheet

Since you only want to learn ... Google for RAC SCSI or RAC Firewire
Based on my experience, my suggestions and observations around RAC are simple
1) Go straight to 10g, do not bother with 9i;
2) If you are a competent Oracle10g DBA, RAC knowledge is a mininal upgrade in effort;
3) 99.9% of the 'RAC problem' is from the hardware configuration.
I find that the RAC configuration issues are different for each operating system and storage subsystem combination I seen, and they have almost nothing to do with RAC. They are mainly about system, network and disk administration and making them able to handle a shared disk configuration. Once the stable shared disk configuration is achieved RAC is almost self-installing.
So, going cheap just to learn RAC is not going to provide much headway in the long run.
However, being able to say you've seen it is possibly worth while, and that can be accomplished very inexpensively using SCSI or Firewire disks. Do the web search - there are a lot of cookbooks.
Note though that Jonathan Lewis recently said, and I paraphrase: "A 2-, or even 3- node RAC is not really interesting. 2-node is a boundary condition, and 3 node falls back to boundary condition quickly. Detailed investgation doesn't happen until you have 4 or more nodes." And that requires a real configuration. Which is going to cost.
And no - I do not know anything about Z-SAN.

IPADs and IPhones dropping off wireless network

I have a site with a number of iphones and ipads that are attaching to a Wireless network managed by a lan controller ( cisco 2504 )
but they seem to drop off every 16 minutes .... and can then get back on a few minutes later.
Any ideas appreciated.
Thanks

Right now I have it in the setting; "(OFF) Bridge mode". Do you know if the airport extreme if the internet bottle necks will crash?

How can I use Time Machine with my existing network attached storage drives

I am a new mac user switching over from windows and have an extensive amount of existing equipment including 2 network attached storage devices (Buffalo Technologies). I would like to use these with Time Machine, but can not figure out how to do it. When I enter time machine setup it does not show these drives while the Finder does.

As of right now we are all SOL unless you own a Time Capsule. At the very least I wish apple would offer some kind of trade-up if they are not going to release a software update.
It really doesn't make any sense why we can't do this with a standard AEBS. Any fix should just be a matter of software, and while technically apple covered its butt with that little "subject to change" disclaimer on the leopard preview page, pulling it at the last minute and expecting those who believed their advertisement to buy another device that does the exact same thing for more money is just wrong. Give us a break apple, tell us your at least working on a fix, its the right thing to do.

SCSI Attached Storage Drops off Network

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