Serial ATA (SATA or Serial Advanced Technology Attachment) is a computer bus interface for connecting host bus adapters to mass storage devices such as hard disk drives and optical drives. Serial ATA was designed to replace the older ATA (AT Attachment) standard (also known as EIDE), offering many ...

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2answers
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How to access to install/check software on a ESXi 5 to view system hardware

I have the following: 2 x DL585 G1 (8 cores) with built in Smart Array 5i (4 x 74GB SCSI in Raid 5) I installed VMware ESXi 5 and got it all working :) When I boot my server up, it states the ...
3
votes
1answer
462 views

SSD in early 2008 Xserve Apple Drive Module

Pretty much the title: it possible to use a modern, 2.5″ SSD in an Apple Drive Module on a early 2008 Xserve? This would be replacing a 15k RPM SAS drive, and in most places I've looked that HDD is ...
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1answer
275 views

Database server is better to have SAS than SATA, also preferable RAID1?

I want to know if it's better to hast DB server by SAS hard disk than SATA hard disk? And it's also better to use RAID1. I don't know much about RAID. If the server is RAID6 default. Can I change ...
1
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1answer
91 views

Apple tower Server internal SATA to external eSATA - good or bad idea? [closed]

I am running out of available ports on an Apple server. I would like to attach 4 external eSATA devices to the currently open internal SATA connections (2 open hard drive bays and 2 SATA allocated for ...
1
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1answer
301 views

How to connect drive array to redundant motherboards?

How should one connect a small storage array, four 3TB SATA drives for now, to two motherboards or controllers as a failover system? This means avoiding adding another single point of failure such as ...
0
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1answer
237 views

Dedicated server - do SAS disks make a noticeable difference? [duplicate]

Possible Duplicate: What are the merits of SAS vs SATA drives? I am running a linux centos dedicated server. Basic specs are a Intel Dual Core Xeon X3065with 2GB ram and 2 x 160GB Sata ...
1
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1answer
298 views

Connecting 8 x 500GB SATA drives to HP Smart Array P800 controller on 2 external mini ports

I have already 8 drives hooked up the the P800 RAID controller internally. I would like to attach 8 more SATA drives externally. I looked in the documentation but the only thing mentioned for the ...
7
votes
3answers
2k views

“zpool replace” hangs and locks up the pool

Given my four disk RAIDZ1, one disk has become physically noisy, not producing errors yet, but not sounding healthy either. So I've chosen to pre-emptively replace it. I have done: zpool offline ...
3
votes
1answer
456 views

Installed 2TB disk in ubuntu server, dmesg reports it as 9444732965540666 MB

I've have an ageing Linux server running on Dell PowerEdge hardware, with a SAS 5IR RAID controller. It has a pair of SAS 146Gb disks in a RAID 1 configuration that has the OS and other software. I ...
14
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4answers
14k views

Anyone seen a meaningful SAS vs SATA comparison/benchmark?

I hear lots about SATA being slower than SAS but I've only found 1 decent benchmark. http://blog.whitesites.com/SAS-RAID-0-VS-SCSI-RAID-0-VS-SATA-Benchmarks__633689244191943184_blog.htm In this, SAS ...
0
votes
1answer
242 views

configuration for max read throughput on ssd: pcie vs sata vs raid

I'm looking to configure a storage setup, using ssd's, that will deliver the fastest read throughput on large (2+ GB) files on a 24 core (12 physical core) system. The data is static for the most ...
0
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1answer
213 views

Mirrored HDD on Windows 2000 Server become invalid on Windows 7 [closed]

I have a situation: I had two SATA HDD, on mirror (soft mirrow by Windows), on Windows 2000 Advanced Server x86 then I remove it, throw away the server and keep the disk. Now I want some data on ...
2
votes
2answers
624 views

SAS drive to SAS/SATA backplane then SATA cables to SAS/SATA RAID card?

I just got a Supermicro chasis: http://www.newegg.com/Product/Product.aspx?Item=N82E16816101241 That has a backplane that supports SAS and SATA drives but the backplane has SATA ports to be ...
0
votes
1answer
1k views

IBM System x3500 M3 refuses to boot from LSI SAS card if blank SATA drive is connected on mainboard

Have an IBM System x3500 M3 that refuses to boot from the IBM branded LSI SAS card if any SATA drive is also connected to the mainboard. The system restarts itself over and over. No error messages. ...
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vote
2answers
331 views

SATA RAID or SCSI RAID Old IBM Server

Need your help on this one. One of my SCSI HD failed in RAID 1, thinking about replacing it, but can no longer find 73gb drive on the market (only used available). Option 1: Clone remaining SCSI HD ...
0
votes
2answers
218 views

Windows Server making hard disk accessible after moving to a new installation

I have a serial ata disk running windows server 2003 in an old setup and now our company wanted to upgrade the system. We got a new computer and I transfer the hard disk from one setup to the other. ...
0
votes
1answer
467 views

How can I locally analyze SMART logs from a server?

I have Ubuntu 10.04 server running on a desktop at home. I rebooted, and the machine was unreachable after 10 minutes or so. At this point I should have connected a console (monitor using VGA cable). ...
6
votes
4answers
532 views

Best performance: 1tb vs larger drives in app using only sequential read/writes

I have a custom app that is multi-threaded; each thread runs on its own logical core (the workstation is a dual xeon, with 12 physical and 24 logical cores). So there are 24 threads running ...
0
votes
2answers
3k views

SATA hard resetting link

Here is my dmesg output: ata2.00: exception Emask 0x0 SAct 0x2 SErr 0x0 action 0x6 frozen ata2.00: cmd 60/48:08:6f:13:3a/00:00:01:00:00/40 tag 1 ncq 36864 in res ...
0
votes
2answers
610 views

Rule of thumb: SATA for storage & serving static content, SSD/SAS for databases?

The question says it all. But, is it true? Can someone explain what's the differentiating factor here (how one type of disk is better than another for a specific purpose)? (FYI, I've tried searching, ...
0
votes
1answer
985 views

Need advice on which PCI SATA Controller Card to Purchase [closed]

I have a major issue with the build of a machine I am trying to get up and running. My goal is to create a file server that will service the needs of my software development, personal media storage ...
0
votes
1answer
206 views

PCI SATA Controller Card Locking Up at Boot

So I have the following setup - ASUS M2N4-SLI Motherboard with AMD Chip of some kind with 4 GB Dims 2 CD/DVD ROM Drives 1 320 GB SATA Drive containing the CentOS Operating System and 2 250 GB SATA ...
2
votes
3answers
1k views

SATA Raid 10 vs SAS Raid 1

I need to setup a small dedi for a few VPS. Obviously the more IO, the merrier. Given these condition, what would you choose? 2 SAS 15k disks in Raid1, or 4 SATA 7.2k in raid 10? Would the answer ...
2
votes
2answers
5k views

How do I power SATA drives in my DELL poweredge 2850?

I have a Dell 2850 which I've been fairly happy with. It runs RAID 5 to 6 Hot-swap SCSI drives, but I'd like to add some cheap storage. So I bought an Intel PCI-X SATA raid card and tried to install ...
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3answers
6k views

Mapping raw storage devices to VMs in XenServer 5.6?

In VMware ESXi, we can easily present a raw SATA hard drive to a virtual machine through Raw device mapping. Is it possible in the free edition of XenServer 5.6?
1
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1answer
101 views

What speed are the internal drives in a PowerEdge R515

Not much obvious information on the net on this one - in fact, it was a surprise to me that the 12-bay R515 even had internal 2.5" cabled drives. We're considering sticking in a couple of high-speed ...
0
votes
2answers
684 views

1 TB SATA HDD on a Dell Poweredge sc1420?

Can anyone tell me if I can use an standard 1 TB SATA HDD on a Dell Poweredge SC1420? Let's say this one: http://www.compusa.com/applications/SearchTools/item-details.asp?EdpNo=61389&CatId=2459 ...
1
vote
1answer
558 views

Replacing a PERC S300

The PERC S300 card that came with our Dell PowerEdge T110 servers is Windows only (see here). As a result, we're looking for an alternative that works under Linux. We had planned to use software RAID ...
3
votes
1answer
281 views

“Transparent” SATA RAID Controllers [closed]

I'm looking for a true hardware SATA RAID controller that can do levels 0, 1, and 5 and is, for a lack of a better term, "transparent" to the OS in that it requires no software drivers whatsoever. ...
2
votes
3answers
5k views

IBM ServeRAID M5015 how do I view info from Ubuntu?

I have an IBM x3620 M3 server that has root@web26:~# lshw -short /0/100/9/0 scsi4 storage LSI MegaSAS 9260 /0/100/9/0/2.0.0 /dev/sda disk 1990GB ServeRAID M5015 hardware raid controller. How do I ...
1
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1answer
1k views

How to enable SATA in Centos 5?

I have a centos 5 linux box which is currently running off an IDE drive. I want to install a couple of SATA drives as backup drives for now. I have googled that there can be complications with SATA ...
5
votes
3answers
700 views

RAID - Multiple drives on one channel

I plan on building my first real RAID server soon. My idea is to have 8 to 12 hard drivers in RAID 5 or 50. It will serve as a storage server. I would prefer to have real hardware RAID. When looking ...
5
votes
6answers
5k views

Use of 2.5" Laptop Drives in a Server?

We're acquiring several 1U servers with (8) 2.5" drive slots. Although we can use either SATA or SAS, there is a large price variance as soon as you order 16 or 24 of these drives, so we are looking ...
0
votes
1answer
340 views

What can I do about the 2 SATA harddrives no longer showing up even in BIOS?

I've been trying to setup Ubuntu but have been running into countless issues. Both the 500GB drives has now become undetectable and don't even show up in BIOS. I've detailed below the process I've ...
1
vote
1answer
217 views

PERC 6i With external Enclosure Raid Questions

Okay so I am buying some used hardware on ebay and found a few poweredge servers for a good price. These servers come with a PERC 6i card and 4x 146gb internal SAS drives. I want to purchase a 8 Bay ...
1
vote
1answer
920 views

Can I move a single disk from one esxi to another esxi server?

I can't seem to find an answer on google...perhaps I am using the wrong query..... I have an ESXi test system that is in production and is using a single SATA disk for the VM's datastore. I would ...
0
votes
1answer
1k views

ESXi onboard SATA passthrough Solaris vm cannot see disks

Usings an Asus Z8NA-D6, Xeon 5200... I believe they're on the HCL. Attempting something similar to this: http://www.napp-it.org/doc/downloads/all-in-one.pdf ESXi 4.1 U1 as hypervisor Hypervisor ...
2
votes
2answers
2k views

Smart Array P410 RAID controller fails creating logical disk with 2x1TB WD drives

I'm trying to build a new box with an Intel DQ670W Motherboard (8GB RAM + i5/2500) an HP SmartArray P410/512 RAID controller (with battery) 2x WD10EALX 1TB SATA drives I'm falling at (almost) the ...
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vote
4answers
387 views

Please recommend an 8 port SATA card (No RAID) [closed]

I'm increasing storage on a system and have run out of SATA ports. Can anyone recommend a 8 port SATA card (No RAID) which supports up to 2TB hard drives. Thank you.
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1answer
2k views

Can I connect a SATA III drive to a SAS controller and get the SATA III performance?

Can I connect a SATA III drive to a SAS controller and get the SATA III performance? Will I see slower performance from the SATA III drive by using a SAS controller than a SATA III controller?
0
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1answer
543 views

SAN connected through SAS with SATA disk

let's have P2000 G3 with SAS Dual Controller and DL120 G6 with HP SCO3e SAS HBA cards. 1) I know it's bit dumb question, but just to be sure. The array will be filled by SATA disks. Will be the SAS ...
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vote
1answer
1k views

Raid Ready Hard Drive vs Standard Hard drives

What is the difference between normal data hard drives and Raid Ready Hard Drives? I am planning to build a server with 6x2TB hard drives and i have been quoted raid ready Hard drives nearly at 250$ ...
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vote
6answers
2k views

sata and sas on the same machine

I know you can't mix SATA and SAS in the same RAID configuration, but is it possible to mount a SATA drive on the same RAID controller as its own logical drive? If not, what do I need in order to ...
0
votes
1answer
1k views

detect specific device is USB / SATA apart from dmesg output

Suppose in a linux machine you have both SATA and USB devices present, and if they are all detected properly, how do you know whether a specific device(sda1/ sdb1) is USB device OR SATA device. Note: ...
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vote
0answers
874 views

SAS vs SATA vs SSD: How to measure performance difference between SATA and SAS?

SAS drives can address multiple IO operations from a single platter revolution if the data happens to be where the head is already positioned. How can you measure whether this actually makes a ...
5
votes
3answers
4k views

Making SATA disk write cache safe

Supposedly (see, e.g., a question about it here), with NCQ enabled drives, the drive write cache is supposed to be safe, as in it doesn't like to the OS about data being committed to the platters when ...
1
vote
1answer
995 views

Does the PERC 5/i Integrated controller support SATA II/III?

I have a refurb 2950 with a PERC 5/i Integrated controller. Currently, there are 4x 3.5" SAS drives in use, with two slots available. I want to add two SSDs (using a 3.5" ICY dock) in RAID1 in the ...
1
vote
1answer
4k views

smart Raw_Read_Error_Rate

Need experts opinions. Have disk. Here is smart output of Seagate "Barracuda 7200.10 family": ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 ...
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2answers
478 views

HDD-Errors while building Software-RAID5

I want to build up my new NAS with CentOS 6 or Scientific Linux 6, but I am not able to build the RAID5. I created a new RAID-device using mdadm, but after some hours of work, mdadm marked one or two ...
0
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1answer
434 views

Failing Sata HDD

I think my HDD is fried... Could someone confirm or help me restore it? I was using Hardware RAID 1 Configuration [2 x 160GB SATA HDD] on a CentOS 4 Installation. All of a sudden I started seeing bad ...