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PC & MAC CLINIC - On line problem solving. (CPU)     

Crocodile - 16 Dec 2002 03:59

Seymour Clearly - 03 Apr 2009 23:10 - 7916 of 11003

Jeff, you win. I haven't had time so have got permission from Mrs Clearly to leave the PC on. Also have MT4 mobile on my phone now so can watch my trades.

MightyMicro - 04 Apr 2009 04:19 - 7917 of 11003

SC (Flossie!): PCs are designed to be left on and like to be left on. They don't much like being turned off and on anyway -- that's when they get stressed. I have a whole network of stuff at home left on and the critical bits on a UPS.

It is sensible to ensure that they have good ventilation, fans are turning, and they're not full of dust and cr@p.

Cheers

MM

Haystack - 05 Apr 2009 13:09 - 7918 of 11003

I have an interesting problem on a friend's PC. I can use windows email on Vista and Firefox (which I am using now) When I use Internet Explorer it behaves as though I had no internet access. When IE asks me if I want to diagnose the problem it comes back and says that the internet access is fine and asks if I would like to browse now, but still won't browse.

Optimist - 05 Apr 2009 13:26 - 7919 of 11003

Not sure how to cure it, but I would suspect some sort of DNS problem.

You could check this theory by tring to browse by IP address. Enter 193.243.128.75 in the address bar and you should get to the MoneyAM home page without the need for a DNS server.

Bolshi - 05 Apr 2009 13:47 - 7920 of 11003

Haystack.
I had a similar problem last week after my grandaughter had been using my pc. Have you got Zonealarm fitted? There was an update & it wasn't installed correctly 'cos she cleared down when not supposed to. I un-installed Z/A & re-installed & everything OK. Not sure if this helps but thought it worth mentioning.

Kayak - 05 Apr 2009 15:00 - 7921 of 11003

Haystack, check no proxy server is specified under LAN settings.

Haystack - 05 Apr 2009 17:28 - 7922 of 11003

Yes, I found the problem. It was Zone alarm. It stopped IE, but let mail and Firefox work fine.

HARRYCAT - 07 Apr 2009 15:45 - 7923 of 11003

I have just noticed, while copying files to a SanDisk 4gb flash drive, that the flash drive is running a FAT32 file system while my XP is running on NTFS. Is there any particular reason for this? Is it worth formatting the flash drive & would it automatically convert to NTFS?

Optimist - 07 Apr 2009 16:45 - 7924 of 11003

Check the manufacturers website.

Most flash drives come formatted to FAT32 and may not support NTFS but some can be reformatted.

Haystack - 07 Apr 2009 17:08 - 7925 of 11003

It makes no difference for most things what the two filesystems are. My USB stick is FAT32 and my hard drive is NTFS and I copy files both ways regularly. If you want to boot a variety of Linux from a USB stick then it does matter, but aprt from that there is not usually a problem.

HARRYCAT - 07 Apr 2009 17:39 - 7926 of 11003

Thanks guys. It's not really critical, but I thought that 1gb of NTFS files was more than 1gb of FAT32 files due to the NTFS system being more compact. Also presumably Windows must convert the files each time they are copied to each other? I thought that FAT32 went out with Windows 98.

Optimist - 07 Apr 2009 17:54 - 7927 of 11003

An NTFS file system is more reliable and can be larger than a FAT32. It will also support user permissions which FAT32 does not. For a USB flash drive, these things do not really matter because performance and reliability of the drives is so poor anyway.

Mega Bucks - 13 Apr 2009 09:18 - 7928 of 11003

@Optimist or anyone some advice please on a new server that i have just bought the problem being the backup,its running a Phenom Quad Core processor with 8GB ECC RAM, 1.8TB HDD and DirectAdmin control panel with a connection port to 1GBps the problem being the size of the hardrives for the back up i cannot fathom a way to back this beast up.
Do you have any suggestion on how i can do this its used for a File Storage server and the only way that i can see is have a matching server.
We have 3 others that are slighly smaller but only 2 are run as the 3rd is the backup for that setup.

Mega....

Optimist - 13 Apr 2009 10:03 - 7929 of 11003

MB

That sounds like a nice machine.

When you get up to that size of storeage, you will need to rely on a range of strategies. And consider how valuable the data is, how up to date you need it to be in the event of a failiure and what is the cost of any downtime.

Start with the simple things, make sure that you have a good UPS and dual hot swapable PSU's in the machine, which should protect you from power failiure problems. Replace the hard drive with a RAID 5 array or better with the drives mounted in removable caddies. You would need 4 - 1TB discs (allthough 5 or 6 would be better) which would give you 2TB of fault tolerant storeage and a significant increase in disc read/write speed.

The only way to really back up your data is to mirror the entire server which should be in a different room/building/continent depending on it's value and cost of downtime.

Assuming that this is not practical, then split it accross different machines/portable disks, with only the most recent data mirrored elsewhere.

You probably don't have to back the entire disk up, just know where to get everything from. For instance, it should be possible to recreate an SQL database from the log so you may just need to mirror that in on line storeage.

Mega Bucks - 13 Apr 2009 10:12 - 7930 of 11003

Opti thanks for your quick reply it is a fair brute I pushed the server load to 29.00 (compared to a max value of 4.00 as I've set it now) and yet it was responding lightning quick,i will look into that tomorrow,what i am planning on doing as the project expand i will look at adding a load balancer across to distribute the resources across another location.
Thanks again and i will update you later in the weekend

Optimist - 13 Apr 2009 10:21 - 7931 of 11003

MB

I'm glad my comments were useful.

Another thing to consider, is virtualisation. That way, you can swap the server between machines in the event of problems.

Fred1new - 13 Apr 2009 17:20 - 7932 of 11003

Optimist, Could you translate the above.

I can't do that on my QL.
8-)

Fred1new - 13 Apr 2009 17:20 - 7933 of 11003

Optimist, Could you translate the above.

I can't do that on my QL.
8-)

Optimist - 13 Apr 2009 17:59 - 7934 of 11003

Fed

Try upgrading to a Commodore Pet ;)

Richgit69 - 16 Apr 2009 08:51 - 7935 of 11003

How do I find out what software/firewall is blocking ports to the internet, untill a few weeks ago I could gain access to my banks website site online now I cant tried using network connection solver in Windows XP, it says it cant access ports 80, 443 and some others even thou 90% of the internet is accessible

I had zonealarm secruity and superantispy untill yesterday, now uninstalled
I still have Norton Internet Secruity, Avasti Anti Virus and Windows Firewall, I have done virus checks, spyware etc and switched every firewall off I can find still not helping

I am also using a netgear wireless router, any ideas what could be doing this?

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