0
votes
1answer
815 views

Upgrading a PERC h310 to a PERC H710 mini RAID controller on a Dell R620

I have an ESXi 5.0 Free license host using an internal Datastore (RAID 5, 5 Disk) that was configured with a Dell PERC h310 RAID controller. The disk performance was very poor, so I upgraded to the ...
1
vote
3answers
681 views

Clear the fault LED on an IBM x3650 M4 after accidental disk insertion and removal?

The server had a disk added, and then the operator realized they put the disk in the wrong server, so they pulled it out again. No harm done, the server is running and the disk was never actually ...
3
votes
5answers
587 views

If you don't need to cram more disks in the same space, do 2.5“ hdd have any advantage over 3.5”?

Nowadays many server systems use 2.5" hard disks, afaik because they can put more spindles in the same chassis and maybe they use less power. When I don't need / cannot put more disks, is there any ...
0
votes
1answer
493 views

Disk is spinning down each minute, unable to disable it

I played with spindown and APM settings of my Samsung discs and now they spin down every minute. I want to disable it, but it seems it does not accept any of the spindown time or APM values. Nothing ...
6
votes
2answers
2k views

How long should rebuilding 250GB take? [closed]

In a PowerEdge 1900 have I a hardware RAID 5 of 5x250GB disks + 1 hot spare 250GB. Disk 2 have errors, so I forced it offline in the raid bios to replace it. Now it have been rebuilding to the hot ...
1
vote
1answer
472 views

IO and bus errors on Ubuntu Server

I've got an old computer running Ubuntu Server 10.04, which acts as router, file server and web server. A couple of weeks ago I inserted a PCIe video card, since the motherboard did not have any video ...
1
vote
2answers
258 views

10 SFF in 1U case, identify please

Could you please identify this OEM/ODM case? I've dreamed about 10 disks in 1U from the day I was born. I know many server brands offer 8, but I wish I can have ten. ) The problem is guys sell it only ...
0
votes
3answers
292 views

Recover data from a physically damaged hard drive

What hardware do i use to recover data from a physically damaged hard drive?
6
votes
2answers
1k views

Hadoop disk fail, what do you do?

I would like to know about your strategies on what to do when one of the Hadoop server disk fails. Let's say, I have multiple (>15) Hadoop servers and 1 namenode, and one from 6 disks on slaves ...
2
votes
2answers
473 views

Which upgrade path for disk IO bound postgres server?

We currently have a Sun x4270 with 2xquad core Xeon Nehalmen 2.93ghz cores (16 threads), 72 gig of ram and 16 x 10k SAS disks split between the os raid 1, a partition for the Write Ahead Logs which is ...