Hi, According to u I understand that the hard disk of your Power edge is faulty & need to recover the data. You don't have say the exact problem of your hard drive. If your hard drive detect in your system Bios but you can't access Data or OS from safe mode also then try to format only the OS drive or repair the drive with your server OS CD. If you get perform it well then you can recover your data by transferring data to another external drive. If The Hard drive doesn't detect then first try to change the cables (Data & Power)of the Hard drive. If detect it then try to access it or perform the previous job. For detection of the Hard drive you can try to attach this drive to another system in slave or as secondary drive. If detect then you can recover data. If your hard drive get crashed then use data recovery CD to recover data. Insert disk, install software, and recover the data by follow the option of the software. This software is available in market. Have another process to recover data from a crashed Hard drive. It is freezing but try it carefully. Place the hard drive into a baggy, seal it tightly and put it in the freezer overnight.The next day remove it from the baggy and put it in the external drive case. Transfer the data from the drive before it warms too much and crashes again.
Hi, In RAID0 all the disk devices are organized alternatively so that blocks are taken equally from all disks alternatively, in order to reach higher efficiency. Since the probability of finding a block of a file is identical for all disks, there are force to work simultaneously thus making the performance of the meta disk almost 10 times that of a single disk. RAID 5 uses a stripe, broken into blocks. One block in each stripe is not a data block, it is a parity block. Using XOR mathematics it is possible to lose one drive and still run. Once a second drive is lost the array fails.disks alternatively, in order to reach higher efficiency. Since the probability of finding a block of a file is identical for all disks, there are force to work simultaneously thus making the performance of the meta disk almost 10 times that of a single disk. So that your system not support the disk drive. set it properly first. configure the server Bios.
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I went to the Dell PowerEdge Diagnostics Version 2.9 and found the following Error
Status: Disk Drive not supported by Dell.
Description: SAS Seagate ST3300555SS
Class: RAID Array Disk
Additional Info: 0 MB Firmware: T109, Serial Number 3LM232NR
Location : Slot 3
Also, to let you know the Server has a Raid 5 and a Raid 0.
So Disk 3 is Raid 0.
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