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18 views

Detect model number for SAS drive

Is there any way to detect model number for SAS drives? I tried using hdparm -I /dev/* but it does not return anything for SAS drive.
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1answer
18 views

Can i use SATA hard drives with IBM servers

I am planning to but IBM X 3850 M2 server http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5073028 One friend told me that i can only use SAS drives and i can't use SATA Hard ...
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0answers
32 views

LSI SAS 2308 MPT2SAS Linux Read/Write performance

LSI SAS 2308-8e (6Gb/s per Lane) PCIe 3.0 card. Average Read/Write Raw performance for 4 SSDs is very low around 430 MB/s (Expected 2 GB/s).I am having Intel Core i3 with quad cores and 4 GB RAM. ...
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2answers
19 views

SAS and SATA together in a RAID

I have to build a new server with SAS drives for RAID 10. However, I have 2TBs of storage on 2x1TB SATA drives. Would it be possible to still plugin 2 SATA drives even if I run a hardware raid 10 ...
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2answers
46 views

Has anyone encountered this error? read error on /dev/sdc - cannot read sector 0?

/dev/sdc: read failed after 0 of 1024 at 0: Input/output error /dev/sdc: read failed after 0 of 1024 at 2499819012096: Input/output error /dev/sdc: read failed after 0 of 1024 at 2499819130880: ...
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1answer
44 views

How to install several hard-drives to Tyan S7025 motherboard

First of all, the disclaimer: I do not know much about computers. CONTEXT In February 2010 I purchased a workstation with a Tyan S7025 motherboard. This motherboard has 6 SATA ports (SATA0 to SATA5) ...
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1answer
50 views

What is a SAS disk and what cable does it use?

What kind of Cable shall I use to connect a SAS disk and IntelĀ® Server Board S2600CP4? In the board specification it says: Integrated SAS Ports: 8 What are they? How to use them?
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0answers
26 views

Is it possible to customise eclipse's auto-indent?

We use eclipse to write SAS code, and we want to auto-indent our code for consistent readability. In eclipse, you can select the code and press CTRL+I to auto-indent java code. Is it possible to ...
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1answer
219 views

Why SAS SSDs are better than SATA SSDs? Or…not really? [closed]

I read a lot about the differences between Serial ATA, Serial-Attached SCSI and Near-Line SAS. I understood that SATA drives are mainly used in client computers, enterprise archive storage arrays, ...
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0answers
211 views

How do people have SAS on Ubuntu?

One person at the Customer service of SAS (the statistical computing software) told me they don't sell Linux version of SAS to individuals, although they have versions for RedHat. But after googling ...
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3answers
304 views

Can Windows and SAS be installed inside virtual box of Ubuntu and on an external USB hard drive?

Does it work if Windows is installed inside virtual box of Ubuntu and on an external USB hard drive? My laptop is Lenovo T400. I am using Ubuntu 12.04, and would like to install SAS 9.3 (its system ...
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0answers
6 views

Using `NLMIXED` to find best fit

I am using Proc NLMIXED for parameter estimates and Likelihood ratio criterion of a distribution using a random sample. I have no idea about initial values, so I try different initial values to obtain ...
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1answer
905 views

How do I interpret SMART data for SAS disks?

I am in the process of replacing some failing SATA disks with new SAS disks. The raid array that one of the failing disks is part of is in the process of resilvering. As that progresses, I can see ...
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1answer
3k views

SCSI LSI Logic vs SAS

I read that LSI SAS offers better performance than traditional SCSI. While creating a virtual machine in Vmware, i have options to select either Bus Logic, LSI Logic or LSI Logic SAS. However, LSI ...
0
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1answer
229 views

SAS Drive to Motherboard Connector

So I ordered a motherboard and a hard disk. Upon their arrival I noticed that there are no cables to connect the SAS drive to the motherboard. What cables do I need? (The motherboard supports SAS ...
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1answer
205 views

Hybrid Storage Setup on “normal” hardware

I am rebuilding my workstation to install Windows Server 2012, up from 2008 R2, and I am looking at the storage subsystem as a place of change... The current setup is as follows Boot: 2 10k RPM ...
7
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1answer
1k views

Mixing SATA and SAS drives on same controller

I have a desktop at home with both SAS and SATA ports. (The SAS ports are supplied by a 3ware 9750 card). Currently I have 5 SATA drives connected to these. One small SSD to boot from and four larger ...
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2answers
153 views

Swapping RAID sets in and out of the same controller

This is a really simple question, and the answer is probably encoded in various wikipedia articles, however my question is reasonably specific, and I need a bulletproof answer! I'm not sure if my ...
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2answers
2k views

Why aren't my SATA drives being detected by my LSI 1068E Dell SAS6/ir HBA card?

Context: I have a Dell SAS6/ir HBA card (pciex8), and several SATA drives. I have two SFF-8484 to 4x SATA cables, which fit correctly onto the HBA (but were purchased separately, new). The manual for ...
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0answers
870 views

CentOS - Add additional hard drive raid arrays on Dell Perc 5/i card

We have a Dell Poweredge 2900 system with Dell Perc 5/i card and 4 SAS hard drives attached, with NTFS partitions on them. We installed CentOS on one raid array on this controller with a different ...
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1answer
613 views

USB 3.0 to SAS; seems slow to me. Is it?

I've been transferring about 5TB from a USB 3.0 enclosure with built in hardware RAID running 4x SATA III drives. The destination is an external SAS enclosure (7x SATA II) with 2x SAS cables connected ...
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1answer
2k views

Is there an adapter to attach a SAS hard drive to a motherboard with SATA ports?

I have a couple SAS hard drives (from a SAN box) which I would like to put in my desktop. I know that SAS->SATA is possible (SATA->SAS isn't) but I'm not sure if I need some sort of controller ...
2
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1answer
69 views

Installing RAID card, does it matter which of the two ports I use first?

I am installing a HP P410 RRAID controller onto a HP Proliant DL320 G6. The card has two SAS ports, but I only need one. Does it matter which of the two ports I use? There is no indication on the card ...
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0answers
444 views

What's the difference between the Adaptec Hybrid RAID and MaxCache Using SSDs? [closed]

From this line of controllers http://www.adaptec.com/en-us/products/controllers/hardware/ Explained further here http://www.adaptec.com/nr/pdfs/product_overview.pdf My interpretation is as ...
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1answer
676 views

Can Adaptec's MaxCache and/or LSI's CacheCade SSD Caching solutions be set up from the BIOS alone?

Context: I'm speccing out a server for work, and one of the requirements is that it will have a bunch of SATA HDDs RAID 5-ed together. We need some sort of SSD caching solution for high performance, ...
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1answer
173 views

How to use a SAS Expander

I would like to hookup my mother board to the backplane. Th backplane requires 5 minSAS connectors, for a total of 20 hard disks. My motherboard only supports 2 miniSAS connectors, for a total of 8 ...
2
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1answer
188 views

SAS or SATA-> Does SAS offer better random IO over SATA?

I am pondering a difficult question. Should I choose SAS or SATA? I ask, because I building an IO intensive application, and would like to know if the benefits of SAS outweigh those of SATA (enough to ...
4
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1answer
815 views

Determining if motherboard has SAS compatibility and SAS software RAID compatibility?

What specs are you supposed to look for in a motherboard to determine if it has SAS compatibility and SAS software RAID compatibility built into it? I'm looking under the details of this: ...
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5answers
6k views

Is it possible to run a program through FTP prompt?

I'm relatively new to Unix or shell scripting (a total novice to speak the truth), here is the deal: I have BI software that runs on a remote UNIX server. Through SAS client on Windows i run some ...
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0answers
135 views

How can I combine similar rows in SAS?

I have data in SAS like this: Role Answer A - A Diabetes B - B Diabetes B ...
1
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1answer
206 views

Where can I find a HOWTO for SAS connectors, cables and expanders?

I'm building some data storage machines and want to use SAS disks. The backplane I've choosen has some iPass connectors (SFF-8087) channeling up to 4 HDDs. There are 6 of these channels. The problem ...
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1answer
218 views

Intel SASWT4I SAS/SATA Controller

I want to assemble a cheap storage sytem based on the Norco RPC-4020 Case. When searching for controllers I found this one: IntelĀ® RAID Controller SASWT4I This is a quote form the Spec Sheet: ...
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2answers
132 views

Running out of space on a SAS-based workstation

first question on superuser - pls excuse if asked elsewhere. I have a Dell Precision 690 with one 73GB (15000RPM) SAS drive in it. Running Windows 7 (x64) with a bunch of apps means it is running ...
2
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1answer
5k views

Performance SAS vs SSD

When it comes to speed of development, a very important thing is your hardware. I need suggestions to help me choose between hard drives. What is the best solution?
1
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1answer
481 views

SAS instead of SATA 2 for my hard drives?

I am building a new system soon, I will have multiple 1-2tb hard drives for storage in it. I only have experience uasing the sataII drives but I saw somewhere that I should be using something like ...
0
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1answer
935 views

Can I use a SCSI Ultra 320 drive instead of SAS

I have a bricked SCSI hard drive that I need to replace. It has a SAS interface Model ST373455SS Can I replace it with this one Model ST373455LC that has an Ultra320 interface?
2
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1answer
167 views

Sas(not mini) to Sata cable

I've been thinking of getting a Dell SAS card to use in a server and I understand that normal SATA drivers are usable. Seeing that these Dell cards don't have mini-SAS, what sort of cable do I need to ...
1
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1answer
346 views

“Raid 0 SAS” versus “2nd generation SSD”

i was planning to buy a SAS system made of two 15k RPM disks in Raid 0 configuration to give a boost to my s.o. and my apps... but after i saw that article on Coding Horror, i've started to thinking ...
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3answers
10k views

How can I convert SAS data files into something simple like CSV data?

There are gov't data files: http://www.cdc.gov/EpiInfo/ Available in this weird SAS format. How can I convert them into XML/CSV, something much simpler that can be read by scripts/etc.???
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2answers
4k views

What is the max length for eSata and/or mini-SAS cables?

Does anybody know what is the maximum acceptable length for eSATA cables, and for mini-SAS cables? I'm looking into buying a RAID enclosure but I'd like to be able to keep it in a different room than ...