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3answers
4k views

Dell Open Manage physical disk failure predicted

I've installed the Open Manage Server Administrator on my Dell T100 to monitor RAID Controller and disks. From the Physical Controller report web page I see a table listing the two disks I have but ...
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2answers
119 views

Diagnose RAID utilisation on a failed drive

I am facing a problem on a server I didn't install, the former guy isn't here anymore to explain me anything. Some processes crashed due to what seems to be a disk failure, so I searched in the logs ...
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2answers
1k views

How to find source of 4625 Event ID in windows server 2012

I have many audit failure with event ID 4625 and Logon type 3 in my event log. Is this problem form my server(internal services or applications) ? Or this is brute force attack? Finally How can i ...
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1answer
38 views

RAID 5 failure Ubutnu 12.04 not rebooting

I have Ubuntu 12.04 setup with software RAID 5. Dmesg started to show I/O errors continuously. I thought to reboot the system and lo and behold, it got stuck on GRUB ERROR Loading 21 I then used ...
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1answer
13 views

recover original file system from raid6 iso's

I started with 5 drives. 1 has failed (i.e. fails to communicate anything) and 2 more are returning read errors. My plan is to use ddrescue to store the 4 working drives to iso files. After this I ...
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0answers
22 views

RAID5 needs drive to be added every reboot

I have a 3 disk RAID5 mdadm array total 4TB on an Ubuntu Server 14.04.3 LTS. Since a kernel panic caused by a device unrelated to the array and that has been already replaced, after every reboot the ...
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0answers
488 views

How to change / replace a failed “system” disk on EMC Clariion CX500?

On the first DAE, the first 5 disks are considered "special" because they host the OS of the storage array. One of those 5 disks is faulty : what is the procedure to change it? By the way, what ...
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0answers
41 views

Dual Drive Failure and server restore slowness on Windows Server R2

I recently had a hosting company that had a dual drive failure within 6 minutes of each other, not sure how that could even happen. However they had to restore a backup of the server last night. ...
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186 views

SMART: Raw Read Error Rate Errors on Mirrored Drives

Thanks for reading. I have a pair of 150GB WD Velociraptors that have failed SMART status. The only fail they have is the Raw Read Error Rate, which is as follows. ...
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0answers
3k views

KVM LVM-based guest… kernel: Buffer I/O error on device. Failing drive?

Currently setting up a small KVM host to run a few VMs for a small business. The server has 2 drives in software md RAID 1, then I have it set as a PV in an LVM setup. Guests and hosts are all CentOS ...