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Archive for the ‘data’ tag

Seagate and NAS data recovery services London

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In this post I’m writing about the available types of computer data recovery services available in London, especially for Seagate and NAS hard drives:

london businesses including data recovery

Netgear ReadyNAS 104
ReadyNASOS 6.9.2 with Debiean 4.4.111.armada
Raid 5, 4 bays
Original set up with 4x 2Tb drives
Bay 3 and Bay 4 drives replaced with 6TB drives a couple of years ago. The other week I attempted to replace bay 1 and bay 2 drives with new 6Tb drives (bay 1 first). I next noticed a data dead message on the display, and am unable to access any of my data. Would it be possible for a quote to recover the data but recovered to a 4x 6Tb drive configuration please?

NAS data recovery in London
We have a 4 drive NAS device, one of the drives is blank as it was a replacement and never configured correctly, so it was running on 3… now another drive is clicking and we can’t rebuild the drive properly, so we need to retrieve the data from the broken drive and get it all rebuilt. I mentioned we are in London and require data recovery urgently

Seagate hard drive recovery
Seagate hard drive not mounting and making a clicking noise. Sounds like the read/write head might be making contact with the disk platters. I dropped my portable external hard drive (SEAGATE 2TB) yesterday and it doesn’t work well. It makes noises; sound like something is scrunching against something inside. When I connect the HDD to my mac, I can still see files there but most of them have nothing inside or it takes time to appear. There are MOV files that I want to save and I’ve noticed this recovery software. I can still see the MOV icons but I can’t open and copy the date. Does this mean the file is broken so I won’t be able to get them back even if I get the HDD fixed? As I’m not good at talking on the phone, it’ll be nice if you could send me back.

External Seagate hard drive has stopped working. Interface has been changed over. but still not linking to computer. Can someone from the London locations call to discuss options please?

If you are wanting a data recovery company in London simply browse this blog – you’ll find many recommendations!

Written by Betty

October 18th, 2018 at 9:05 am

Posted in Data Recovery Services

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Data Recovery on Acer Aspire

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I knocked my Acer Aspire V5-573 off a table and the hard drive now makes clicks and takes me to a ‘default boot device missing or boot failed’ screen. And is then stuck on boot manager menu. I am thinking of buying a new laptop but I would like to be able to extract my documents first. Can I come to the London shop on Monday?

I have just downloaded windows 10 onto my hard drive and without realising deleted everything else from it. I had videos and photos stored on this hard drive from 2007 – present. Is there anyway that these can be recovered? I am in Manchester next week which is why I’m wanting to come to the London data recovery centre you mentioned in this post.

I used a Maxtor HX-M101TCB/GMR portable hard drive with my Acer Aspire laptop to store recordings from a Philips Freeview box which reformatted the portable drive and then died. The Maxtor isn’t recognised by my PC anymore but we would like to reuse it for my daughter’s college work. Is there any way to recover use of the hard drive and how much would that cost? I am not terribly concerned about saving the tv recordings on the hard drive, we would just like to be able to use the portable drive again.

I’ve got a Lacie 80GB hard drive which contains lots of family photos. The hard drive is quite old now, about 13 years and uses FireWire connections. I’ve tried connecting it to my iMac with a USB FireWire adaptor but the hard drive just shows an amber light and will not connect to the iMac and will not show in the Finder view. I need to get the data back on a Acer Aspire hard drive too.

Written by admin

June 26th, 2018 at 10:02 am

Computer Data Recovery in Brighton

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I have a Seagate Backup Plus Portable Drive 1TB, model: SRD0SP0.
When I connect it to the laptop it makes a fast beeping sound and is not recognised by the laptop. I think the head is not in the parking area but I don’t know how to open it up to see. I have A LOT of data on there and I’m starting to panic. USB Drive won’t open and comes up with the message:
Location is not available
F:\ is not accessible.
The request could not be performed because of an I/O device error. It’s a home drive and I live just on the outskirts of Brighton, (between Hove and Lewes)

Brighton uk

I have a Macbook Pro, model no. A1278. Issue is that it switches itself off half way through the boot up. You can hear the initial chime sound and apple logo with the progress bar appears on the dispay. When the start up progress reaches around half way, the laptop shuts itself down. Therefore I am unable to acces to my laptop and recover the data. Please could you adive on this matter and give me quotation on how much this is going to cost me to fully recover the data from this laptop.

I’ve just dropped down my external hard disc and after that I can’t open it on any computer. I can hear knocking or ticking noise when the drive is powered on. It 500GB Buffalo Inc that I bought from a computer shop in Brighton
Model HD-PVU2.

Hard Drive recently started disconnecting while using my computer and started clicking on startup.The boot is paused while the device clicks but once it stops, the boot continues but no hard drive shows up in my computer, device manager or disk manager. Got some important information I was wanting to copy over to a secondary hard drive I own but lack of connections mean that I can’t do anything. I’ve tried all 6 sata ports on the mo/bo to no avail and at this point I don’t think there’s much I can do anymore.

Written by admin

May 29th, 2018 at 9:36 am

Data Recovery after Mac Update

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Data recovery after Mac update
My Mac update crashed and now In internet recovery mode, I know that if I press REINSTALL MAC OS X it will mean it starts from fresh and all my stuff will be gone I need helping getting all my folders as it’s deadline week (I’m at Cambridge University)

I have two disks from a Raid 5 Config. Believe one disk was swapped under hardware replacement and during this a second disk failed rendering the server useless. Total rebuild as loss of services. I have the two 300Gb SAS drive from the server and need to recover data.

My External SSD (which has no casing and is connected with a SATA-USB cable due to an earlier fault) will no longer be recognised by any computer whatsoever. It’s a WD hard drive.
The drive is Mac OS Extended (Journalled) formatted and has been tested on various machines, where the drive fails to show in Disk Utility.
It seems that the drive will not connect at all. The drive contains various files including many Final Cut Pro documents.

WD Data Recovery in Cambridge
CambridgeWestern Digital Elements External hard Drive:
Hard drive is whirring/spinning. Message appears saying Data cannot be read.

I have an old WD external hard drive which has stopped being picked up on any devices.
I’m worried because I think it has some important work on there and it’s the only back up I’ve got of it. Please give me a ring when you can with a quote on a price to fix it e.t.c

Sudden & complete failure. Laptop wouldn’t boot. When I connect drive to a different machine, light comes on and disk spins up, but can’t access any data via Mac OSX (repeated timeouts/pinwheel). I would like to recover files from “my documents”, but 2 .mny files in particular.

I do have a serious problem with my WD HDD. It’s encrypted and I’m unable to get the data (pictures and videos) back. Do you have this kind of service ? I’m willing to pay of course… Thanks a lot for your help retreiving my data

Written by Betty

May 3rd, 2018 at 6:23 am

Posted in Data Recovery Services

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The many different types of data recovery

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If you try and imagine the different ways that people loose data from hard drives and phones you will be astounded. Not only are there so many ways to loose data, but there are all the different files that people need back too. This lists represents just some of those ways and includes PST file recovery and general hard drive and phone failure.

Hard drive data rescue

We have a high powered external hard drive we use for storing large video projects that has failed. It is called Axus but that’s all the information I have and I can’t find the receipt. Is this something you can look at and what would the cost be?

The USB port on my hardrive has come loose and will only turn on when holding the cable in a specific way, but it still doesn’t say it’s connected to the computer. I spoke to the IT helpdesk at my college and they said it would be a soldering job.

different types of data recovery (eg. hard drive)WD My Book 1TB external drive no longer recognised by computer.

My hard drive has failed. It is not stuck heads. I wondered if you can extract the data. Its mostly my pst email file that i need.

Hard drive has a unique connection on it and I think this has come loose because although it plugs in and light comes on and hard drive werrs the pc says it doesnt recognise it. Broken USB. The connector has snapped off the board. Need file recovery.

Can’t read data and making some noisy click

The hard drive appears sometimes then disappears. It is making a clicking noise. I can copy some data over but then it disappears again

Seagate model my father used to store photos and god knows what else.
I already tried opening the case and replacing the SATA to USB adapter with a direct SATA connector but to no avail.

Disc not recognised and is making a RAPID clicking noise.

I have an external portable 500GB Samsung hard drive and the connective part that attaches to the memory board has come away which of course means it is broken. Is it possible to repair? If so-what is the cost likely to be please?

Plug the hard drive in and no icon at all comes up on the desktop. Drive is a ADATA 500GB Exrternal Drive

Somebody in my family has a tablet/laptop hybrid that consists of 1 SSD (C:) in the tablet part which is working fine but then inside the keyboard part there is extra storage in a HDD (F:), she was prompted to make space in her C drive in order to upgrade to a newer version of Windows 10. however when she was transferring the data the drive stopped appearing in her file explorer. I have tried putting it in a caddy and at DOS level I could see the harddisk but when trying to read the sectors all I got was read errors

listening to the HDD I can hear that the disk still spins when attempting to read

My laptop stopped working a while ago , I removed the hardrive to see if I could connect it to another laptop and retive my photos but it came up it needed formatting. I just want all the photos off it, would this be possible ?

Phone Recovery

Smashed iphone 6 screen and not possible to unlock it. I am seeking to recover data on the phone. This is an old phone therefore I’m not planning to repair it.

Phone won’t turn on , need data from the phone

I deleted messages between myself and someone which had a really important photo in it that i need back. what i need back is messages between myself and this person including the photo.

LTO Tape Data Retrieval

We have array of HP LTO Backup tapes and would like to know how much it would cost to restore data from these tapes, there is no damage to them.

Written by Betty

April 2nd, 2018 at 10:19 am

Western Digital Red Data Recovery

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WD Red NAS hard drive recovery

The drive is a 2TB, Western Digital Red Drive that I have only had a few months, it was turned off when dropped from approximately 2 feet as I was taking it out of my HDD dock (after powering it down), intending on putting it in my new NAS which coincidentally arrived earlier today, the day I dropped the drive.
I picked it up carefully and checked it over (aesthetically it fine, at least to me) but when I tried to power it on the motor sounded like a siren – it was an electronic type of noise, not an actual siren, like the motor was being powered up and powered down very quickly in a siren type of fashion.
As soon as I heard it I shut it off and haven’t turned it on since as I don’t want to further the damage whatever it may be as I’m familiar with the anatomy of the HDD and how delicate they are internally.

I do have backups of the drive, however, there are some files that I don’t have backed up simply because they are recent additions to the drive and the schedule backup hadn’t backed them up yet (I didn’t have them in a RAID array with redundancy which I’m regretting now). I’m presuming these files lost until recovered (if possible) – these new additions are files that are not re-creatable thus I’m hoping they can be recovered?

Edinburgh Scotland, data recovery

HDD Information:
The drive is a 2TB, Western Digital, Red
Its current format is NTFS, used with a Windows based system (Windows 10, Pro, 64bit to be precise).
There are two partitions on the drive, covered below:
The 1st partition is my “Storage” partition, 200GB in size, which is used for storage of anything I feel needs archiving; pictures, videos, documents, installation media’s (typically older driver should I need to revert back to them, mainly for my laptop) and other such keeping (which admittedly needs organising into folders, they’re a bit scattered at the moment)
The 2nd partition is my media archive “The Arkc”, it’s the remainder of the drive in size, minus the 200GB for the above partition, where I store the final renditions of videos I have for my YouTube channels, along with relevant detail and thumbnails for these videos.
In total, there’s just under 1TB of storage used on this 2TB drive.
Is this something Data Clinic may be able to recover as I live in Edinburgh ? (see http://datareplayservices.com/western-digital-data-recovery-in-scotland/ for details about data recovery throughout Scotland).

Written by Betty

March 13th, 2018 at 12:37 pm

Western Digital Data Recovery in Scotland

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In my work for data recovery experts Data Clinic in Scotland (https://www.dataclinic.co.uk/data-recovery-glasgow/), I decided to share with you some of the questions we’ve had from people all over Scotland who want to get their files back from their damaged and broken Western Digital hard drives.

First up is this question from Donna from Dundee: “I stupidly stored a lifetime of photos on my Western Digital external hard drive. On deciding to back it up (and this was after a good while of not using the drive), I plugged the drive into the laptop. As I tried to copy and paste the files over to the laptop, the files seemed to disappear in front of me and some I tried to open, I had an error message and could not open them. I was really upset because there are irreplaceable photos on this drive. I kept meaning to send the drive to a company like yours but unfortunately other priorities came up along the way and so, it’s been sitting in storage for some time. I tried to plug it in to my laptop today and the laptop doesn’t recognise it. Can I send it on to you to look at please so you can do our best to save my files?”

Regional map of Scotland | Data Clinic Glasgow

And here’s another from Tom in Stirling, who kindly called in to our data recovery office on Woodside Place in Glasgow.
“I have a Western Digital 1TB (2012) My Passport portable HDD (MDL : WD10JMVW-11S5XS0). I gave the hard drive to a friend who meant to specialise in HDD data repair. The USB type-B port came loose a while ago when I was in an instance to use the hard drive that said the disk still spins up fine. My friend said something about he ordered a replacement PCB board from China and tried to replace the board from the broken one on the hard drive. During this process unfortunately he broke one of the board’s lower BIOS Chip connectors (BIOS IC2) . Is my hope of getting my data back finished? I’ve attached a picture of the relevant board on goggle driver to view. https://drive.google.com/open?id=1OHE2ta42ZLXY_DfsLBe_matU7yIUMxXc

And finally, Data Clinic Scotland help out a PC repair company in Perth with a customer in Edinburgh who has lost his data.
“We are an IT support company and need data recovered from a clients drive. The drive in question is a Western Digital WD6400AAKS. The drive started making a scraping noise and is no longer readable or even recognised by a WIndows PC. It will spin-up for 10 seconds then powers down.”

Written by Betty

February 26th, 2018 at 12:48 pm

Currys couldn’t recover the data

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currysHere’s a question we received regarding the data recovery service run by Currys.

“I have a WD passport external harddrive for macs, serial no. Wxn509xx1120 that has stopped working. I took it to Currys and they tried to get the stuff off it but couldn’t due to ‘the scan not completing’. It hasn’t been knocked or dropped but I did have it with me in London for a year where it was hot and humid. It sort of slowly stopped working. Often when it was plugged in it would disconnect itself (message on laptop screen: disc not ejected properly), and then a couple of times it just wouldn’t appear on my laptop when plugged in. Now it won’t appear at all on the laptop. I tried different cables and tried it on different macs to no avail. When it’s plugged in the light comes on and it still makes the whuring sound. I don’t think it makes other sounds but I haven’t re plugged it in having read your page (would now be aware to listen for other sounds but don’t want to cause it more damage, but can plug it in again and listen if this is helpful to you). It has lots of files on it, JPGs, Photoshop, InDesign, word docs, video files, mp3s, mp4s, RAW photo files.”

Our advice: Currys do not run a proper data recovery service – what they do is ship the hard drives off to a cheap and not very good data recovery outfit. My advice is to not use Curry’s data recovery service as their lack of expertise not only means that you won’t get your data back, but their hamfisted attempts will also ruin the chances any subsequent data recovery service has of getting your files from the hard drive.

As this blog deals extensively with data recovery and hard drive issues we feel well placed to make some recommendations here. If you look back through our posts you will see that we mention several good and trustworthy data recovery companies in the UK by name, a provider that springs to mind immediately is Data Clinic Ltd, who have been going since 2002, so they must be doing something right.

So to reiterate, don’t use Curry’s data recovery service, use a decent one instead.

Written by Betty

January 29th, 2018 at 2:00 pm

Posted in Data Recovery Services

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Encrypted RAID 1 Data required

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This post I look at recovering the data from encrypted hard drives.

Encrypted data2 x 250gb drives on a raid 1 mirror. Drives have been encrypted.
Can you recover, approx 50gb of data?

An encrypted Toshiba laptop hard drive that failed and has since been removed and replaced. It tries to start spinning but fails. I need to recover some documents and folders from it.

We have 2 drives that have failed in a specialist server. We believe it is a mechanical failure and was wondering if it is possible to clone the drive’s if we sent to you for analyses. I believe the disks were in a raid 1 array.

Laptop harddrive is recognised but i cannot get on to it, i have the recovery code but it just hangs on the bitlocker screen (obviously the data is encrypted). Would like to know likely costs for recovery. The hard drives stopped working suddenly, hard drives stores all my data. When I switch on pc recognises device but cannot access or open. If you can get me on the phone please can I have a number to call you? I’m often in appointments. I’d like to drop the device to the Liverpool centre

For more than a week, when I have plugged my external hard drive in my mac and no icon appears on my laptop. I do not remember that my hard drive fell or anything, there is no strange noise and the light still works when I plug it… I do not really understand why it is not working anymore.

My WD passport is not recognised by my Mac and makes a continuous clicking sound. Is there a way to repair the disk?
And if not, could the stored files be recovered with its original file names?

Hard drive not being detected and device is in warranty. would like to know whether i can claim the waranty.

I have two encrypted WD 1TB My Passport drives that are mirrored in a RAID 1 array which I use to back up my Macbook air and also store videos on an encrypted (file vault) partition for which I have the password. The drive has been intermittently having problems being recognised by my mac, and two days ago stopped being recognised at all. I did manage to restart in recovery mode and disk utility was able to see the drive but I didn’t have another drive to copy contents too so was not keen to mess with it. I still can’t access the drive and need to try to recover the data. Would really appreciate help with this.

Written by Betty

December 1st, 2017 at 4:31 pm

Data needed

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Deleted some program and formatted hard drive, and have written some new data in. I need to recovery files from 11/2016 to 9/2017.

help !Home PC, seemed to be a PSU issue. replaced it but the drive does not load.
there is a spinning noise but it does not load windows.
took it out and connected it up to an external cavbles to a laptop. usb went bing but it could not read the drive, or offer a repare.
750 GB drive with an amount of documents that i would like to recover.

My boss has 3 very very very old laptops shes looking to recover the data off.
They are using Parallel ATA adapters of some type. The laptops boot, 1 has a pass we don’t know (decade old).
Do you reckon you could recover the data on them?

Old apple mac stopped working due to hd fault. would like to retrieve data. As I have removed the hdmi cable from the drive, the port has ripped straight out with the cable. I tried to push it back together by opening the casing to carefully push it back but all of the connecting pins were broken. This connection is the only damaged part. The drive itself is intact. It is particularly stressful as it has all of my teaching work since 2003 on and is no longer backed up since my laptop motherboard failed

The drive fell out of my bag about one foot off the ground and since then will not work or power on. I deleted some programs and formatted hard drive, and have written some new files moves.
Hgst hard drive: 1Tb, hp pavilion x360 C-pc, 13-u009na, CIR model:7265NGW
Need to recovery files from 11/2015 to 9/2017 with original file names, don’t need to recovery the files of the moves or films. The recovered files can be opened with office 2010, or the PDF or JPEG photographics. The main name of lost folder is 2016xxxxxxxxxxx on the desktop, and folder 2017xxxxxxxxx

Written by Betty

October 28th, 2017 at 4:04 pm

Posted in Data Recovery Services

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Some phones needing data back

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Nokia Lumia 1320. Phone got wet. No longer switches on. My phone has been damaged by seawater, all I wish now is to recover the data, i.e. whatsapps message data and photograph etc. Please let me know if this possible and how much will it cost.

My Samsung S7 Edge frequently overheats and restarts by itself, so I am unable to use it at all. It is a motherboard issue, and I would like to get all my data and information off the phone.

My OnePlus 3 phone screen smashed, screen no longer useable. No display. If can’t be fixed, how much would the recovery of data cost?

I have factory reset my moblie (Nexus, Android). My question is if it is possible to restore my data (photos) after formatting?

Dropped my Microsoft lumia 650 down toilet and it has all my photos of my daughter and there really special to me as she was born premature any chance you can retrieve the pictures

Samsung galaxy alpha brand. Phone screen is damaged and can’t access my info. Only has built in internal memory. Insurance doesn’t cover repairs only replacement. Need the data on the phone.

I have an iPhone 5S running iOS 10 (I think). Over the last few weeks my phone has been getting slower and having issues installing apps. Over the weekend all my photos and messages disappeared and many apps have stopped working.
I suspect this may be due to water damage, as my son spilt a glass of water the phone a few weeks back. But it could be something else which has corrupted the storage?
My main concern is retrieving photos as I last backed these up in May 2017. Other data is mostly linked cloud accounts and can therefore be retrieved relatively easily.

I have a mobile (I phone) that won’t charge properly so can’t get my photos off it. I’ve taken it to apple & they recommend data recovery. Can you give me an idea of prices etc & if it’s likely to work?

I need deleted phone calls and text messages recovered for legal reasons. Its regarding a particular number on my phone.

Samsung s6. Dropped on floor. Hardware incl operating system appears to have been damaged (screen black with random flicker at the side now and then. Blue light continuously pulses, not recognised when connected to pc). Need to recover all data from the phone

Written by Betty

October 9th, 2017 at 1:10 pm

Posted in Data Recovery Services

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More Data Recovery in Manchester

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Since my post some time ago regarding the data recovery job for Manchester mortgage advisers http://datareplayservices.com/manchester-mortgage-hard-drive-broker-service/, I’ve had several more enquiries from people and businesses in Manchester.
Here are some of them:

Manchester photographDrive fell on the floor. Since then simply stopped working. When plugged activity light is off.
Brand Toshiba
Item model number PX1396U-3T01
Form Factor 3.5
Hard Drive Size 1026 GB. I’m hoping you can retrieve the information as it contains a mortgage application that I’m hoping won’t be turned down, as I’ve had previous difficulties in getting a mortgage since moving to Manchester.

A friend of mine has an iPhone that has over heated while charging on an in car charger. It now wont start up. It hasn’t been backed up and we need to recover text messages and whats up conversations. Is this something you can help with and do you have a ball park price for repairs?

Seagate Barracuda 2000GB
Model: ST2000DM001
PN: 1CH164 – 301
FW: CC24
CCB: 10068765B REV C
This hard drive has suffered an incident, initially I thought the PCB had overheated where it had been left on continuously in its external Docking station for about 5 or 6 days.
I had saved a spare PCB board with exactly the same spec from a previous drive, before I destroyed the remaining components.
I interchanged the PCB board with my spare, this made no difference to the initial fault.
Further inspection revealed that one finger of the Read-Write arm was damaged, and had obviously got caught up on something.
the flexible flat wire plate has the following label with these numbers on it: – FNHK 67 and GD4-B & AG-R
The actuator itself has the following numbers stamped in it: – T12M3M & 1251
What I’m after is all the necessary parts to replace the damaged Read-Write arms.
There doesn’t appear to be any visible damage to the top platter, it doesn’t look as if it has suffered any form of scratching or marking anywhere within the travel scope of the tiny magnet in the end of the read-write arm.

My harddrive has stopped working, was using a mac earlier today and then suddenly it stopped working and vanished, my stuff disappeared. Went onto my hp laptop and everytime I used it it kept freezing. I have all my house buying and uni documents on and need to get them back. Can we pop into the store in Manchester?

Our epos system runs on an old Windows 2003 Server and Microsoft SQL database. We have been having terrible problems with it freezing the last couple of weeks to the point now where it is unusable. We have a new epos system in the pipeline but are not quite ready to go live with it. Ideally we’re looking for someone who is capable of extracting data from our SQL database so we can have a clean spreadsheet of customers / stock etc to import in to our new system.

Written by Betty

May 4th, 2017 at 3:15 pm

Manchester Mortgage / Hard Drive Broker Service

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Recently we received an interesting hard drive recovery enquiry from Alice who works for a well known Manchester finance / broker advisor. She was in a bit of a panic as her computer had developed a problem and her files (that contained a lot of information about how to get a mortgage in Manchester) were no longer visible. These file were Alice’s work so it was vitally important that we got them back for her.

Additionally, most of Alice’s life was contained on this hard disk and before she sent it in to us for recovery she want assurance that we’d be able to rescue her files. Alice had recently taken out a large mortgage and as the broker had provided such as good service to her she also wanted to pass the details of this company along to her friends and colleagues. This information was also saved to her hard drive. We collected the computer from her home.

After assessing the problem (we diagnosed the computer as having a hard disk fault as described on http://computersciencelabs.com/hard_drive_bad_sectors), we were able to tell Alice we were confident and assured her that her life was safe and we would be able to complete the recovery of her files.

The file recovery took the best part of two days to complete and after this her mortgage information files were accessible again. We had been successful in recovering her information and her job and life were now assured.

I asked Alice what was more difficult, getting a mortgage or getting data off of a broken hard drive. She assured me that getting a mortgage doesn’t need to be all that difficult, you just need to find a decent mortgage advisor or broker. There are several of these in Manchester, including the firm that I’ve linked to high up this in this article. Like getting a mortgage, hard drive recovery doesn’t need to be difficult either, but it can be if you choose the wrong company to use. Computer Science Labs were able to retrieve Alice’s mortgage files but this may not have been true if we’d have taken her computer somewhere else to have the contents recovered.

So whether you are looking for a mortgage or hard drive recovery in the manchester region always make sure you choose a good a reputable suppler who is assured to complete the job.

Written by Betty

September 12th, 2016 at 11:38 am

Storage Area Networks

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Webfusion logoStorage Area Networks (otherwise known as SANs) – What are they exactly? – It’s a question that’s trickier to answer than you may think. My job has taken me off researching again – this time into those most noisy of places – server rooms. The one I went to was vast and belonged to an ISP – it’s staggering how much data these places handle and they told me they have other 1000 servers – a mixture of Windows and Linux operating systems, each with at least 5 disks in the RAID array. A quick calculation means this place had in excess of 5000 hard disk drives – all spinning and holding data.

A Storage Area Network (SAN) is a type of computer architecture where distant storage devices like disk arrays are attached to servers and set up in this manner they seem to be locally on the system. By sharing storage it can simplify things and will add flexibility as the storage doesn’t have to be physically moved around, a SAN environment may work with a variety of hardware from RAID’s to Network Attached Storage, as a result of the numerous components that may compose a Storage Area Network it could be rather sophisticated, the more sophisticated the system the bigger the odds of a failure in a single element, that consequently can impact the whole storage system.

By investing in a Storage Area Network it may supply adaptive storage direction and high performance, with a Storage Area Network enables one to allocate space to specific apparatuses or to hold the whole storage open or you may select who can obtain specific data. Storage Area Network systems seldom fail and when they do it is typically due to user error, typically within picture direction or an error with san direction characteristics, Storage Area Networks support large quantities of users, this makes it useful for companies who have a great deal of data but need it centralized in one accessible location. Because of the large quantities of users as well as the feature of the data that’s saved on Storage Area Networks they want continuous tracking and data recovery accessible twenty four hours a day.

Servers can be booted from your Storage Area Network this supplies advantages such as the fact if your server is flawed the Storage Area Network can be reconfigured to make use of the valid Component Quantity of the flawed server on a different server, Storage Area Networks may also be found in catastrophe protection, the reason being they are able to be crossed over distant places with an IP Wide Area Network, this empowers storage replication executed via disk array controllers, server applications or specialized Storage Area Network Apparatuses.

There’s a solution to gauge the operation and capacity of a Storage Area Network this is via quality of service, quality of service allows for the required storage operation to be preserved and computed for network users. The chief variables which influence Storage Area Network quality or service are; Bandwidth, Latency and Queue Depth. Bandwidth is the speed of the data throughput which can be found, latency is the time delay for a read/write function to happen and Queue depth is how many operations which are waiting to be ran to the discs. The essence of service can be influenced by matters like a spike in the level of data traffic from one user this subsequently affects the other users when quality of service services have been in area utilization and operation, causing their operation to reduce could be preserved and called.

When employing a Storage Area Network it’s important never to use over provisioning, this is where additional disk space is put into compensate for peak traffic loads yet where peak traffic loads can’t be called the additional capacity may cause bandwidth to be consumed entirely and latency to rise over time it is also called Storage Area Network degradation.

Link: This article is covered in more depth on the Data Recovery Reviews web site.

Written by Betty

January 29th, 2014 at 4:53 pm