Questions about hard disks' performance, issues, tips, and software.

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9 views

Intel Rapid Storage: Error Occured(0,1) [on hold]

A friend of mine is experiencing this problem. Every time the machine starts this error Error Occurred(0,1) is shown as at the next picture: Then in Windows the RST utility shows this error ...
-2
votes
2answers
20 views

Adding second RAID controller to a motherboard with onboard RAID controller [on hold]

One of our server ASUS M4N78AM motherboard that comes with an onboard RAID controller. We have already utilised it and are running out of space. Would it be possible to install an additional RAID ...
-1
votes
1answer
16 views

Hard Drive Recovery - Affecting Factors [on hold]

I have some questions about hard drive recovery. I am using ddrescue (gddrescue) and have read and practiced a lot with the different options, but I was wondering, from a hardware point of view, what ...
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0answers
29 views

Workstation does not detect HDD

I'm running a workstation with 4 HDDs that was recently upgraded with two more HDDs. Those were intended to form a RAID1. However, the system does not detect the 6th out of 6 HDDs (one of the new ...
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0answers
10 views

Using a non-validated SED on a Dell R720

We were given a Dell R720 a couple years ago, and the machine currently has standard 300GB 3.5" SAS 15k drives. Our RAID controller is a Perc H710. We need to update our disks to FIPS 140-2 ...
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1answer
43 views

Hdd for server, will it work? [closed]

i have a server : IBM System x3250 M3 its have 2 HDD slots, but currently only have 1 HDD, that is : HDD 500 TB Hotplug, sata, with part number 9CA154-176 i want to add one more HDD, but i only ...
0
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0answers
32 views

Get physical drive size from command line

Is there a command that tells me whether I have 2.5 or 3.5" drives in a system?
0
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1answer
29 views

Using Seagate 3TB drives with a Dell PERC 710 - do I have to worry about align and sector size?

I'm going to setup our new server with 8 3TB HDD from Seagate. They come, as far as I know, internally with 4K sectors. I've run this past weekend some burn-in tests on the disks, before setting them ...
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0answers
5 views

SSD is not booting after waking up from sleep mode with low battery condition: Disk /dev/sda doesn't contain a valid partition table [migrated]

I've already found a way to erase the SSD and make it work again (http://askubuntu.com/questions/409684/image-or-reset-broken-ssd). But I need to find a way to restore my data. The data on my ssd is ...
0
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2answers
57 views

Dell PowerEdge 1850 Amber Light

Update: I swapped my power supplies in the back and everything started powering up, fans RPM was monentarily higher than idle, with a blue light on front. Then the amber came back for a moment, then ...
0
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1answer
28 views

“Core Charge” on defective server HDDs

I have collected a pretty decent amount of SAS and SCSI disks over the years that have a predictive failure warning. I was just about to throw them all out, but wondered if any of the manufacturers ...
0
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1answer
49 views

Need to install and patch 700 hard drives, hardware or software?

I have 700 laptops that need patching after being offline for an extended period, and need to be ready to go in a 3 day timespan start to finish. They are running windows 7. We have SCCM 2012 as an ...
1
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0answers
15 views

smartd rule does not work

I have an issue with smartd. I've studied its man page, and then I've set the SMART daemon to run long test of the hard disks two times a month and alert to the specified mail address in case of ...
0
votes
1answer
42 views

ncq not supported on an SATA3.0 HDD in an usb 3.0 casing

is there a well known reason why a SATA3.0 HDD supporting NCQ does not have NCQ queue depth configured when mounted from an usb 3.0 case ? output for hdparm -iI /dev/sda shows NCQ is supported output ...
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votes
1answer
68 views

Why does a low level format take very long time?

I can write ~100MB/s on a particular 4TB SAS drive when it have a file system on it, but a low level format on this drive took >16 hours. That's ~70kB/s. Since there is not filesystem and only zeroes ...
-1
votes
1answer
35 views

mdadm reports faulty disk, but smart doesn't find problems

I've got a 9 disk raid 5 array. Today i got a mail from my server: This is an automatically generated mail message from mdadm running on Eldorado A Fail event had been detected on md device ...
-1
votes
1answer
15 views

windows rsync from different local drive, other than c, to remote

rsync -avz D:/test me@my.server.com:/test I am using cwrsync on a windows7 box rsyncing to a linux box. Everything works fine when i am going from a relative path on drive C.. but i need to rsync ...
0
votes
2answers
28 views

Wiping hard drives in an IBM DS3512

I have an IBM DS3512 RAID storage device, which I'm planning to sell. How would I reliably wipe my data off of all the hard drives? As far as I can tell, it abstracts away all direct access to the ...
1
vote
2answers
150 views

Buffer I/O error on device (sata drive)

I keep getting these messages in one of my servers kernel logs (which is responsible for file operations). I wonder if anybody knows how serious are these issues. I cannot use smartmontools because ...
1
vote
1answer
282 views

External drive switching from /dev/sda to /dev/sdb

We have a small box with external drives attached for backing up configuration sets. I found out the problem is simply that on reboot or whatever unknown event the drive switches from /dev/sda1 to ...
0
votes
1answer
46 views

Is an HP Proliant 350e Gen8 server appropriate for Primevera and Sage applications? [duplicate]

I want to buy a server to accommodate both the Primevera and Sage applications? Would a HP Proliant 350e Gen8 do? Are there any concerns about this platform?
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0answers
25 views

SMART output - what's the significance and meaning of “verify” errors from smartctl -a for a HDD

Does anyone know the meaning of "verify" errors listed in the output of smartctl -a (or more precisely smartctl -l error), as well as their significance, if any, in trying to evaluate the health of a ...
1
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0answers
68 views

VMware ESXi multiple I/O latency warnings

VMware ESXi 5.1.0 server showing multiple warning events: Device mpx.vmhba1:C0:T0:L0 performance has deteriorated. I/O latency increased from average value of 3913 microseconds to 530954 ...
1
vote
1answer
36 views

how to add a raw device on RHL

I am using a server to which someone added a harddisk. I am struggling to get this to work. I am a regular Linux user (but haven't done this stuff before). I have googled up and tried to follow the ...
3
votes
1answer
105 views

Steady red light on 2 HP SAS drives in RAID 1

I have a HP ProLiant web server with two HP 300GB SAS SFF 2.5 inch drives (Model: HP 507127-B21). Both drives have a solid red light, however there is no indication within the management software that ...
0
votes
1answer
89 views

Degraded RAID1 on debian 7.5

I am in a bit of a problem with my root server and a degrading RAID. Unfortunately, I'm no expert when it comes to RAID. System informations: Debian 7.5, SSD software RAID1, problem occur since a ...
-4
votes
2answers
56 views

Server have 6 harddisk, how to set daily full backup/clone harddisk? [closed]

i have a HP DL380 server, its have 6 harddisk, @72Gb each, i am planning to use centos + cpanel please suggest how to set daily full backup/daily clone harddisk? so if 1 main harddisk is broken, i ...
0
votes
1answer
121 views

Install Winsat on server 2012? Windows System Assesment Tool

I use winsat disk to see my disk read / write speed windows 8 and it works great: cmd : winsat disk -drive c Can this be used on windows server 2012?
1
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1answer
43 views

Connect USM hard disk to USB

Yesterday I bought Seagate 2Bay 4 TB NAS business storage: http://m.seagate.com/external-hard-drives/network-storage/business/business-storage-2-bay-nas/ Seller included Seagate Backup Plus 1 TB USM ...
0
votes
1answer
351 views

Dell PowerEdge R720 - Corrupted RAID

Apologies in advance for the lengthy question. We have a Dell PowerEdge R720 server with: 2 x 136GB SAS drives in RAID 1 for the OS (Ubuntu Server 12.04) 6 x 3TB SATA drives in RAID 5 for data A ...
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votes
2answers
287 views

Dell Power Edge R515 - Replacing a Bad Hard Drive in a RAID

I've ordered a new hard drive to replace a bad one in a Dell Power Edge R515. The manual covers obvious topics regarding physical replacing of hard drives, but I've never done this before on a ...
8
votes
4answers
787 views

SW SSD Raid 1 over HW RAID 10

A provider(data center) recommended I go with 1TB SSDs in a software RAID 1 over HW RAID 10 with mechanical drives. Their quote: Typically SSDs are most reliable than RAID cards and since you ...
1
vote
4answers
186 views

Rescue a Raid 1 from a dedicated server

I have a dedicated server (Hetzner EX4). One day, I rebooted the server and it wouldn't start. customer service told me that one of the hard drive was faulty, and activated the rescue system (Linux). ...
-1
votes
1answer
36 views

Getting ssd, should i keep the ssd cache drive

We are going to install sdd's as main hdd in all of our pc's. However, some of them already have an ssd drive that is beeing used as a cache drive. Should be keep this chace ssd? It was my though ...
1
vote
2answers
121 views

Identifying failed hard drive in RAID

I have a server which is running customized version of Debian. It is attached a sun storage raid. It has very limited tools and installing new tools is not allowed. :( This message I see in dmesg: ...
-2
votes
1answer
43 views

Amazon EBS Durability

According to this link: http://aws.amazon.com/ebs/details/#availabilityanddurability It said: Amazon EBS Snapshot can expect an annual failure rate (AFR) of between 0.1% – 0.5%, where failure ...
3
votes
1answer
138 views

How often should I scrub my RAID?

In general I would like to know how often a RAID array needs to be scrubbed. What contributes to the need to scrub more often (reading data?, writing data?, unexpected shutdowns?, drive age?, drive ...
1
vote
0answers
472 views

HP Dl360e Gen8 Not Detecting Hard Drives

I have a new HP Proliant DL360e G8 and it is not detecting the hard drives. We are using both non-hp, and official hp hard drives from an older server (DL120). Hard drives are 3.5" and they are not ...
1
vote
1answer
674 views

LSI MegaRAID SAS 9261-8i: Disk isn't recognized after replacement

I've got a Supermicro Server with an LSI MegaRAID SAS 9261-8i Raid Controller inside. There were 3 Disks attached to the controller which were configured as RAID5 array. One of the disks failed ...
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votes
2answers
127 views

Stacking Servers on top of each other without a using a rack [closed]

I have ten 19" servers each with 4 hard drives and an average 160W usage. For a 2 month test run of a service i want to put them just on a table without purchasing a rack. Maybe in two stacks 5 each. ...
0
votes
2answers
70 views

Alternatives to SMART for Monitoring HDD Corruption

Given that SMART is unreliable for predicting HDD failure, does anyone have a reliable alternative for automating quick identification of hard drives that are beginning to fail? This is for Windows ...
1
vote
0answers
48 views

Unable to access disks in rhel 6.5

I work for a biology lab. We recently bought a new microscope that produces an enormous amount of data - it is simply not feasible to store it on a desktop. So, we bought a storage server - the idea ...
0
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0answers
44 views

How do I check disk performance of LVM drive?

I have a CentOS server with 2 hard drives configured to use LVM over RAID1. How do I benchmark my hard drive? As seen in this question, I have used the following commands: # check read performance ...
2
votes
1answer
55 views

Limits on Read Transfer from Hard Drives

I just found that the specs of server harddisks mention a maximum number of TB read. For example WD Black Drive 2 TB mentions a 550 TB transfer limit per year. This means that every day it should read ...
-2
votes
1answer
74 views

Consumer level motherboards that play nicely with large numbers of drives [closed]

I currently have a system with 25 hard drives - 24 for data and one for OS. This machine is built on a budget, featuring a cheap Gigabyte motherboard (GA-990FXA-D3), a four port LSI SAS controller, a ...
0
votes
1answer
544 views

Recover data from ubuntu encrypted drive (LUKS)

I had a Host with Ubuntu 12.10 installed, and the entire harddrive was encrypted (with LUKS it appears), I remember the passphrase, but I have trouble to "open it". I am now on a beta version of ...
4
votes
1answer
337 views

How to access SMART attributes when using RAID with a Dell Perc 4e (LSI)

I can't easily shut down this windows server, so I'd like 'online' solutions. I tried the following unsuccessfully: Seatools Enterprise: caused a BSOD smartmontools: scan only showed virtaul RAID ...
-1
votes
2answers
167 views

No advantage from SSD boot drive for 24/7 server? [closed]

Since my OS and applications are loaded into memory upon boot, isn't there no advantage from having my OS on an SSD boot drive for a server that is kept up 24/7? I know there are several assumptions ...
10
votes
1answer
907 views

What is the term for this piece of hardware?

This is a silly question but what is the "official" term for what is carrying this hard drive? I need to know if I can purchase it separately from the hard drive.
1
vote
0answers
40 views

Hardware configuration for head nodes (HDDs, memory, processor, redundancy)

I'm designing a head node whose primary function is to submit jobs to the Torque/Maui scheduler and secondary function is to run test jobs. Unfortunately, most hardware selection guides for clusters ...