Question about IBM Server Raid 3L ( 01k7352 ) SCSI Controller

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Raid Failure Raid failed and we lost all data on the Raid 5 drives. We have had HP/Compaq servers for years and not one issue with RAID - hard drive failures yes but no RAID failures. Just started using IBM servers 6 months or so and we've already had a RAID failure that we are still trying to recover from. Do you know if the IBM server RAID failure is a problem with IBM servers or just our bad luck?

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  • Anonymous May 06, 2009

    I had a Netfinity 5100 with Server Raid 3L controlller - 1 array Raid 5 was working fine for several years but yesterday after Installed some Windows updates its says Controller Shutdown Not complete. so the computer can't see any hard driver. At the mini configuration manager array look fine, raid 5 ok status online.

  • orcam May 07, 2009

    I had a Netfinity 5100 with Server Raid 3L controlller - 1 array Raid 5 was working fine for several years but yesterday after Installed some Windows updates its says Controller Shutdown Not complete. so the computer can't see any hard driver. At the mini configuration manager array look fine, raid 5 ok status online.

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Hi, There is no chance of raid failure unless more that 1 HDD (2 or more) on Raid 5 member fail . You can replace Raid Controller if the part is faulty . Yet there is no chance of loosing data . So check if it is a Hdd fault or Raid Controller fault .

Posted on Jun 22, 2012

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IBM server RAID failure is not a Common issue, it's just a matter of luck

Posted on Oct 01, 2009

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Just bad luck

Posted on Aug 13, 2009

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1 Answer

How to save a raid0 disk


Raid O is no RAID. Data is lost if the hard drive failed. Always use RAID 1 (mirrored) for OS and RAID 5 (striped) for DATA. That's 5 drives your server should shave been configured with.

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Ugrade of DL380 G4 Server HDD Raid Array 36GB --->146GB Required


Do a ghost on the first hard drive install ghost on new hard drive and replace, I can provide more details on procedure just ask

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Tip

FAIL-SAFE FILE SERVER AND COMPUTER SYSTEMS If your data is very important, you...


FAIL-SAFE FILE SERVER AND COMPUTER SYSTEMS

If your data is very important, you should consider doing regular data backups because hard disk will fail at some at some stage in the future. This is especially true when you get an error message"hard drive is about to fail".

Depending upon how critical your computer or files server to you or your business, you should consider building a fail-safe computer or file server system using RAID technology. RAID means "A Redundant Array of Inexpensive Disks" and there are several levels of RAID.

For details of different RAID levels - click on this link -
http://searchstorage.techtarget.com/sDefinition/0,,sid5_gci214332,00.html

The most common of the fault redundant RAID systems are -

RAID 0 + RAID 1 provides fastest data transfer Mirrored hard drives.

RAID 5 is one of the most popular system, it data striping across hard drives with error correction. It has excellent performance with fail-safe system and allows for hot swappable hard drives.

There should be redundant powers supply inside the computer or file server in the event of a power supply failing.
Another consideration is to install a UPS (uninterruptible power supply) to prevent a computer or server shut down from power outages, as this will corrupt your data.

These systems do not mean you should not back up your data on a regular basis.

on Oct 20, 2010 | Computers & Internet

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Hi, within the previous 12hrs my e-series server bombed out - there are two issues (1) Memory DIMM malfunction (2) serveRAID-7k error 2807... I removed the faulty memory DIMMs, but the RAID error still...


You can recover RAID data from hard drive with RAID recovery software easily.
Tenorshare Data Recovery Enterprise is a comprehensive data recovery software that supports RAID recovery for RAID 0 and RAID 5. Lost data in RAID 0 and RAID 5 can be deeply scanned and restored immediately. Meanwhile, files and folders in RAID 0 and RAID 5 can be copied to other partitions directly. http://www.any-data-recovery.com/product/datarecoveryenterprise.htm

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2 Answers

Data recovery


Unfortunately, a three disk RAID 5 can only tolerate a single drive failure. Is it possible that disk 0 and disk 1 were reversed? If so, then you might be dealing with only one failed drive and might be able to rebuild the RAID if you get disks back where they belong.

Otherwise, you will need to send the disks off to a data recovery service and hope for the best. This is only viable if the data is very valuable as this will be very expensive. Typically more than $1000 just to evaluate and diagnose.

Jul 09, 2009 | IBM eServer xSeries 225

1 Answer

PERC 3Di one drive is failed how do I remove and replace without losing the container?


Replacing the drive does not remove the container on the RAID controller. If the drive has failed, and you had a RAID 5, simply replace the drive. If you had a RAID 0, your data is lost. Replace the drive, and start over.

Jun 24, 2009 | Dell PowerEdge 2500 Server

1 Answer

About SCSI


Replace the hard drive with a drive that is the same type and the same size, or larger. It will rebuild itself.

By same type I mean that the connector on the back of the drive and the speed of the drive interface must be the same. If the new drive spins at a different rate it will not create a problem, except that if it is slower it will make read/writes slower. If it is larger it will only use part of its capacity, matching the capacity of the other drives.

Note that if you were to replace all drives with larger drives (one at a time) the capacity of the entire array would be the same as the original. If you want a larger array it must be built from the start with that larger capacity.

Take out the bad drive. If you can get the exact same drive, do it, otherwise look it up on the manufacturers web site to find out size and type.

While there are a few possible RAID configurations that you could be using on that server, the chances are overwhelming that it is RAID level 5 that you are using. This RAID level is tolerant of a single drive failure. If you lose another drive before your new drive rebuilds your data will be lost. Hopefully you have a backup.

RAID 5 stripes the data and the parity data across all available drives and when a drive fails, the missing data is rebuilt on the fly from the parity data. When a replacement drive is installed the parity data is used to rebuild the data that belongs on that drive. The advantages of RAID 5 are fault tolerance (of a single drive) and speed because each drive only has to provide or write its portion of the total data being accessed or written.

May 26, 2009 | Acer Altos G710 Server

3 Answers

Drive array problem


Hi Nick ,

As of now you can Select "F2" to accept data loss and re-enable logical drive. This Load OS Normally .
It seems that one of the HDD in the RAID 5 has failed , Did you notice any LED indications like red or amber on the HDDs ?? if so get that hdd replaced . Make sure the Failed HDD is replaced .
You can run the Array Diagnostic Utility from HP System tools to check the Failed Drives and also frimware version of the controller . If the frimware is not latest Update it from HP website. DL380 G4 should have Smart Array 6i controller .

Hope This was Helpful
cheers :)

May 17, 2008 | HP Compaq ProLiant DL380 G4 Server

2 Answers

Raid w/ hard drive defunct


Well lets make some assumptions
1. You have a Raid 5 System
2. You only have 3 drives in the Raid ARRAY
3. Only 1 drive has failed

To fix the problem you should only need to Replace the Failed Drive
Then start the raid management software or bios
Rebuild the array

If you have more than 1 drive failed in a RAID 5, and still must recover the data it is possible. But very expensive. Still fixable however.

Sep 23, 2007 | IBM xSeries 226 Server

2 Answers

Raid 5 crashed


Hi Chris,

How many drives are part of the array and what type are they? Are the drives making any unusual sounds like clicking or screeching? If not, then you should be able to recover the data. If the drives are making clicking sounds, you will probably need a professional data recovery service that specializes in Raid 5 data recovery to help you.

If the controller shows that only 1 drive is bad, you should be able to rebuild it by replacing that drive. If the controller shows all the drives are bad, then it is most likely a problem with the Raid 5 controller itself. In this case, you could try putting the drives in a working version of the same enclosure/controller.

Check the obvious also, like loose connections to the drives. Whatever you do, dont force a rebuild as this will probably result in permanent data loss.

Wesley Gill
Gillware Inc.
Raid Recovery Info

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