Satellite 2430-101: USB 2.0 External HDD problem

Hallo Everybody,
I have Toshiba satellite 2430-101. I recently bought external 40GB hard disk. When I connected to my toshiba usb hub, it says it exceeds the limit of power suppy and I need to detach the external hard disc. When I read from recent questions, somebody suggested to uncheck the power options to the usb hub, but still it says the same. Are they anybody to help me.
Regards
Sri

Hello Sri
Has the USB hub own power supply? If yes I hope that you have tested it with and without power supply.
Can you use HDD if you connect it directly to the Satellite notebook?

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Hi:
See if the USB 3 driver directly from Intel works for you...
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Hi Jimi,
well, i speak polish, i was born in Poland, but I have been living in Germany since 1984. :)
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I really hope someone can help...
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>>>
Time Machine could not complete the backup.
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Time Machine needs work space on the backup disk, in addition to the space required to store backups. Open Time Machine preferences to select a larger backup disk or make the backup smaller by excluding files.
<<<
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I really don't know what to do next.
(BTW, by chance, i did keep two of the old backups that I copied over today from the external HDD to my internal HDD)
Any suggestions would be appreciated.
Thank you.

1. Although I wouldn't recommend what you are asking to do nor do I know if you can do it with the device you are buying (if it has its own RAID card you may not be able to do anything with it.) However, for a software RAID using Disk Utility you would need to partition each drive before creating any RAIDs. Let's assume you partition each drive into two volumes. Call them A1 and B1 and A2 and B2. Then you can create one RAID using A1 and A2, and a second RAID using B1 and B2. Keep in mind that you cannot access two partitions on a single drive simultaneously, so when trying to access one RAID you will find that you lose any RAID speed benefits when trying to access the other RAID to, say, copy data from one RAID to the other or when trying to copy data to both RAIDs from another source.
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Hi-
Welcome to Discussions!
External drive controller chipsets vary greatly.
Along with this, and a big problem for PPC Mac users, is that the makers don't take PPC Mac architecture into consideration.
The first mistake is to rely on USB/USB 2.0 for connection.
Firewire is +the surest+ bet for an external drive for a Mac.
USB 2.0 is for WinPC machines, which often don't have firewire.
It is NOT a reliable connection method for hard drives.
Second, these ready made externals are often a problem with PPC Macs.
WD MyBook, Seagate FreeAgents, and others, are often just no good.
I don't see why the Samsung would be different.....
The best way to use an external drive, is to get a firewire drive enclosure kit that has an Oxford chipset, and then install the drive of your choice inside.
http://eshop.macsales.com/item/Other%20World%20Computing/MEFW91UAL1K/
These all have drives installed, but the case and controller is definitely no problem:
http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATAFW800_FW400USB
I would return the drive.
Is early failure a problem? Look here:
http://www.newegg.com/Product/Product.aspx?Item=N82E16822152179
http://www.testfreaks.com/external-hard-drives/samsung-story-station-hx-du015eb/ user-reviews/
http://www.amazon.com/Samsung-Station-Desktop-External-HXDU015EB/product-reviews /B002C3S6V8/ref=cmcr_dpsynop?ie=UTF8&showViewpoints=0&sortBy=bySubmissionDateDescending#R9CEXOPSF7FKA
All reviews have an alarming number of failures.

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Yosemite - Win7 on Parallels - Adobe - External HDD - PROBLEMS

Hi
Hope someone can help, have the same problem or even better, have a soluion, i have a macbook pro retina with 2,6GHz intel core i7 and 16 GB ram. When i got the mac i purchased parallels 9 and was then running on Mavericks OS.
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Moving this discussion to the Illustrator forum.
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Moving iTunes to an external HDD - problems??

My iTunes folder resides on my C Drive and is gradually eating available space - if I copy the whole thing into my external HDD and then set the path to the HDD via Edit>Preferences>Advanced so that the path leads to the Ext HDD rather than the C drive, am I likely to screw everything up?
Alternatively, how does everyone reduce or mitigate the physical space used on their C drives?
Thanks in advance
Windows Vista

My iTunes folder resides on my C Drive and is gradually eating available space - if I copy the whole thing into my external HDD and then set the path to the HDD via Edit>Preferences>Advanced so that the path leads to the Ext HDD rather than the C drive, am I likely to screw everything up?
No, but you won't get the expected results. You will simply have an empty library.
Quit iTunes .
Copy the entire iTunes folder to the external.
Drag the original iTunes folder to the desktop.
Hold Shift while starting iTunes.
Select Choose existing library and go to the iTunes folder you just moved onto the external.
Once you are satisfied it works, you can delete the iTunes folder you put on the desktop (freeing up all the space on your C: drive.
The external must be online and ready BEFORE you start iTunes, else iTunes will revert to the internal drive.
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Trying to mount external HDD, problems arise

Been trying to mount my external HD but it's not playing ball. Firstly, I can't work out what my setup is naming it in /dev, partly because I'm getting inconsistent readings of available space on my internal HD.
If I run
df
when the external HD isn't plugged in, I get the following output:
Filesystem 1K-blocks Used Available Use% Mounted on
rootfs 7662396 2662828 4615216 37% /
/dev 1024816 0 1024816 0% /dev
run 1027740 204 1027536 1% /run
/dev/sda3 7662396 2662828 4615216 37% /
shm 1027740 0 1027740 0% /dev/shm
tmpfs 1027740 8 1027732 1% /tmp
/dev/sda1 99590 17903 76468 19% /boot
/dev/sda4 152576072 2634200 142302968 2% /home
I figured that if I plug it in and run the command again, something new should pop up and I can thus figure out what's where. However, the above reading doesn't even make sense.
Firstly, there's sda1, 2 & 3. I only have two partitions on my hard drive (one for /, one for /home). I also have a swap. Yet reading the available spaces, there's four different places (going on size); 1027740, 99590, 152576072 & 7662396.
My internal hard drive is only about 160 gig.
If I open thunar and view the properties for /, I get the following:
Size: 106764 items, totalling 128.0 TB
Free Space: 4.4 GB
From memory, the partition allocation for / was 10 gig, so the free space reading is presumably correct, but the 128 TB reading is bizarre. My external hard drive is 1TB, so it can't be that it's adding together / & the ex. HDD to get that estimate (if it is, it's worse at maths than I am); plus it gives the same estimate regardless of whether or not the ex. HDD is attached to my PC.
If I run:
lsusb
with my external HDD attached, it registers just fine (OK, it gets the size wrong, but it's better than nothing)
Bus 001 Device 004: ID 1058:1021 Western Digital Technologies, Inc. Elements 2TB
Anyone got any ideas about what's going wrong and how I can amend things?
(this is the first time I've had a Arch setup -previously ran Crunchbang- so I acknowledge that I may just have missed something I should have installed/configured)
Insights much appreciated :-)

Throne777 wrote:
debdj wrote:
Ohhh, pmount worked a treat ^ ^
Any way to get it mount it automatically when I log in?
mm..I guess you can put it in your ~/.xinitrc file
but put the line before the DE/WM invocation line.
so, if you use say, use lxde and have a line like
exec ck-launch-session dbus-launch startlxde
in your .xinitrc,
put the 'pmount device' line before that.
Edit. if u want to put it in ~/.bashrc, you'll have to start a bash terminal at least once after you log in to get it mounted.
Hmm, pmount isn't working as well as I thought.
It won't let me transfer files from my hard drive to the external; says it isn't permitted. If I open thunar as root and try to change the groups read/write permissions it says the operation isn't supported (though I myself have read/write access apparently :s).
Edit: Typo
pmount is just a wrapper, it calls the standard mount program to actually do the work, without the need to have an entry in fstab. Let's first make sure that you can mount and use the drive with the standard old-fashioned mount. When we get that to work, switching should be just a matter of using correct pmount options or doing some minor tweaks.
From what you linked, I assume you are using ext filesystem, which should make things a lot easier. If you're using something else, you need to let us know.
First things first, lets start from the beginning. Umount the drive and set permissions on the empty directory you're mounting it into back to root (or just remove it and recreate it as root). This is not essential, just doing that so we know the current state of things.
Second, mount the drive with simple mount /dev/sdx /mnt/mountpoint Obviously you need to change the device and mountpoint to whatever's appropriate. This *should* work. Logged in as root, try to create a directory inside, and for example copy something into this new directory, to make 100% sure that the drive is correctly mounted. If you get past this point and everything works, then this all is most likely just a case of botched permissions. You can't write into it as a user yet, but we now know that it can be correctly mounted.
Third, find out your user uid, and your primary group gid. Simply type 'id' into terminal logged in as regular user you want to mount the drive with, if it's the only user you created shortly after system installation, then most likely your uid will be 1000 and gid of users group will be 100. Now umount the drive, and re-mount it with running as root mount -o uid=1000,gid=100 /dev/sdx /mnt/mountpoint Again, change everything as appropriate. You now should be able to write new files and directories onto your drive as your normal user. You still may not be able to edit files already stored in if permissions were set wrong, but that can be changed, as we discussed before.
If this all works, then you can use your drive without any problems, and one line in your fstab will mean that you can mount the drive as user without even needing pmount. Please verify everything works first, if it does we can help you with that as well if you need it. And sorry if I'm being too thorough, just trying to avoid any mistakes
edit: to avoid any confusion, this is more or less a test. When mounting ext partitions you shouldn't have to set things like uid, gid or umask. Those options are primarily meant for filesystems which don't use this kind of permission setting, like vfat or ntfs. But it should move us a little bit further.
Last edited by meph (2012-03-31 16:45:25)

Satellite M30X: Problems with USB 2.0 external HDD

Hi,
I have a Toshiba Satellite M30X. I recently bought myself a 200GB External Hard Disc. It has its own Power supply. If I connect it with USB 2.0 to my Laptop it happens to diconnect and reconnect permanantly. Sometimes it works, then I can put Data on the Disc. Then again it diconnects and reconnects many times. I've already tried another USB Port, but there is no difference. It's very strange, because I connected the External Hard Disc to many other Computers (Laptop and Tower) and it ALWAYS works!!! Its only with my Laptop it disconnects and reconnects the whole time. As I said, not always. Sometimes it works for like an half an hour or so then the action starts again ...
Can somebody help???
Greez Lutz

Hi Andrea
I really dont know why this happen. A friend of mine has the same problem with his desktop. While copy process runs the HDD is suddenly disconnected and there is also acoustic sound when the hardware is removed.
I have connected his HDD on my Tecra and there is no problem. I really dont know what the problem can be. Maybe there is some problem with OS because I can not believe that there is some contact problem with USB ports.
If you use many different USB devices at the same time maybe there is some conflict between few different drivers. Sorry but it is not easy to give some precise explanation.

Thinkpad S430 - not detecting USB 3.0 external HDD

I've noticed there are a lot of issues reported with usb 3.0 on lenovo laptops. Mines is a little different to the ones I've read so far.
Its an iomega drive and is usb 3.0, it was working a few months ago but recently decided to stop. I have no idea what could have changed to stop it from working, I use this particular drive infrequently.
The issue is that I connect the drive t the laptop, it lights up but doesn't get detected at all by windows. so far I've done the following:
- checked the drive letter in device manager
- unisntalled all usb devices from device manager and then rebooted and re-installed
- re-installed the Lenovo USB 3.0 extensible controller drivers
- tried the Intel variant of the USB 3. Extensible hard drive
- tried different ports
- tried another 2430 laptop - it didn't work on that one either!
- tried it on a HP laptop - WORKED FINE
- didabled power management on the usb root device(s)
- plugged it into the laptop whilst watching the device manager doesn't refresh, thinks nothing has been added.
- scanned for new hardware, nothing comes up
- installed the latest bios
- set USB 3.0 mode to 'enabled' in the bios no difference.
- set USB 3.0 mode to 'disabled' no difference
- tried another USB drive (2.0) WORKED FINE
-checked to see if it is recognized on boot - it is not.
And most likely other stuff which I've forgotten. Really is quite frustrating, have had two major issues with this laptop (HDD died completely not too long ago, rendering my data lost) and now this.
I think the above narrows it down to it being an issue with reading USB 3.0 drives, unfortunately no one else I know uses USB 3.0 drives so can't test another...
Can anyone suggest something I've missed?
Thanks in advance for any pointers.

Hello,
I am not familiar witheither the ThinkPad S430 or the Iomega external USB 3.0 hard disk drive, but I wonder if the latter might not be receiving enough power over the USB cable. Does the Iomega drive have an option to take power from an external AC adapter or second USB port? If so, try providiing additional power and see if that allows the drive to be recognized when attached to the ThinkPad S430.
Regards,
Aryeh Goretsky
I am a volunteer and neither a Lenovo nor a Microsoft employee. • Dexter is a good dog • Dexter je dobrý pes
S230u (3347-4HU) • X220 (4286-CTO) • W510 (4318-CTO) • W530 (2441-4R3) • X100e (3508-CTO) • X120e (0596-CTO) • T61p (6459-CTO) • T43p (2678-H7U) • T42 (2378-R4U) • T23 (2648-LU7)
Deutsche Community Comunidad en Español Русскоязычное Сообщество

Can I use a USB 2.0 external HDD as a bootable clone?

Hi all -
That's the question really, apologies if it's been asked numerous time before, I couldn't find a straight answer when I searched. I currently have 2 Firewire externals. One is for Time Machine, the other is a bootable clone. However the bootable clone is too small for my current iMac's internal HDD. Can I use a USB 2.0 instead or does it have to be Firewire? And would it need its own power supply, or could it be USB powered?
Thanks

No prob, Thanks for the star.
Your better off starting a new thread for a new question as it will have a different title and more people may be able to help.
A quick search in amazon brought up this:
http://www.amazon.com/Western-Digital-500GB-Scorpio-Laptop/dp/B001JSSDGU/ref=sr12?ie=UTF8&qid=1232579874&sr=8-2
you will need to get an external case for it. It may need two usb ports or may not, I'm not to sure. It may work at a slower peed with one and max speed with two. A good google search is an excellent way of finding answers.
Regards

Airport Extreme REQUIRES powered USB hub for external HDDs

Just bought an Airport Extreme Wireless dual-band N router (January 2012). It works very well and having the separate 2.5 and 5 GHz bands is a fantastic feature. Setup was really easy and it essentially worked 'out of the box'. The one issue I had is attaching a USB Western Digital 1 TB HDD to share on the network and use for Time Machine backups from multiple MacBook Pro laptops.
The drive would appear in the Aiport Utility's "Share Hard Drive" tab, but it was listed as zero bytes and wasn't available to actually share out over the network. I formatted it as a single volume to make sure there wasn't an issue with the drive itself (although it should support multiple partitions on a drive), and it mounted to my Mac just fine, but it still would not work with the Airport Extreme.
After reading several posts on these Apple forums I picked up the fact that the only way most people get their hard drives to work is by purchasing a powered USB hub and connecting that between the Extreme and the hard drive. Some hard drives do appear to work plugged directly into the Airport Extreme, but that seems to be more of the exception than the rule.
The reason given is that the USB port on the Airport Extreme was originally designed for printers and is basically underpowered for proper HDD connections. Adding a powered USB hub not only allows USB hard drives to work, but you can connect multiple USB devices (hard drives and printers) to share over the Airport Extreme through the powered hub, so you do get that added feature.
So if you have plans to upgrade to the incredibly fast and efficient Airport Extreme and plan to do your Time Machine Backups wirelessly (which works very well), add a powered USB hub to your purchase to avoid some frustration. I picked up a four-port powered USB hub at Staples for $30.
It's a great purchase otherwise. Four out of five stars in my review.

For anyone else who reads this post, the respondents are correct. I cannot find anything directly from Apple that states explicity the support for Time Machine backups to a USB drive on a second generation Apple Airport Extreme. I would love to see their detailed case studies and latest tests that demonstrate the backup corruption isues, and more recent tests conducted with the latest Airport Extreme, running the latest firmware with Lion 10.7.2.
Having said that, each person who is interested in this as a backup solution should consider more than one source before making a final decision:
http://gizmodo.com/369973/apple-time-machine-now-works-with-airport-disk
http://stephanfassmann.blogspot.com/2008/03/how-to-setup-time-machine-on-airport .html
http://forums.macrumors.com/showthread.php?t=881757
http://www.computerworld.com/s/article/9070282/Time_Machine_now_works_with_AirPo rt_Extreme_drives_say_users
http://arstechnica.com/apple/news/2008/03/finally-airport-extreme-usb-disk-time- machine-backup.ars
http://news.softpedia.com/news/Time-Machine-Update-Back-Up-on-AirPort-Extreme-Ad ded-81256.shtml
The Apple Support articles referenced that explicity state TS does not work with Airport Extreme mounted USB drives are for older OS X 10.5 and 10.6. I cannot find anything for 10.7 that states the same thing:
Older Mac OS X 10.5 and 10.6:
http://support.apple.com/kb/HT2038
http://docs.info.apple.com/article.html?path=Mac/10.6/en/15139.html
http://Pondini.org/TM/Airport.html
The other thing you can do is on the Time Machine menu, hold down the "Option" key and use the 'verify backups' option to help ensure that your TS backups are valid.
Hopefully Apple will come out with an official statement soon that speaks directly to the 2nd generation Airport Extreme on the latest firmware running TS backups from OS X Lion 10.7.
My statement about the need for a powered USB hub to have much better success with USB attached hard drives still stands.

Satellite 2430-101: USB 2.0 External HDD problem

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