Serial Attached SCSI (SAS) is a computer bus used to move data to and from computer storage devices such as hard drives and tape drives. SAS depends on a point-to-point serial protocol that replaces the parallel SCSI bus technology that first appeared in the mid 1980s in data centers and ...

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227 views

IBM x3650 M1 SATA support up to 2 Tb

I have an IBM x3650 (M1 [i think because of DDR2 rams]), an as i know it only support SATA hard drvies only up to 1 Tb. Is there any RAID controller firmware/BIOS update which can give the server 2 ...
2
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2answers
232 views

What cable do I require for SFF-8087 to SAS

I have a HP P410 and two 2.5" SAS Drives, i want to connect both those SAS drives to one port. I know the cable for the P410 is a SFF-8087 and ive seen plenty of adapters searching, but alot of them ...
2
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1answer
3k views

Installing Ubuntu 12.04 on HP Proliant DL380e with 1TB SAS Drive

I have an HP Proliant DL380e with a 1TB SAS Drive and I am trying to install ubuntu server 12.04 on it. I have created a RAID array using Array Controller Utility and had a RAID0 logical volume ...
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1answer
170 views

How does plugging in a SATA drive to an SAS backplane affect maximum cable length?

The limit on SATA cable length is 1m, whereas the limit on SAS cable length is 10m. When using a backplane which advertises support for SAS and SATA, with a SAS RAID controller and one SATA drive, ...
2
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1answer
160 views

GNU/Linux: SAS-disk detected as /dev/sg7 - not as /dev/sdb

I have just installed a SAS disk into a Debian server. It was detected correctly and everything was fine. Then I moved the SAS disk to a different Debian server, the same hardware model and running ...
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0answers
177 views

How is the boot order of SAS drives determined?

This probably seems like a simple question, but hear me out. Here's the scenario that caused me to ask this question, as this is not so much a "how to" question but a "why" question: I was trying to ...
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2answers
209 views

Dell PowerEdge 1950 Drive Bay not showing in SAS Configuration Utility

We have a Dell PowerEdge 1950 in RAID 1. Recently, the drive in Bay 0 began rapidly blinking green (I'm guessing twice per second, indicating "identifying drive"). When I open the SAS ...
3
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1answer
250 views

Connecting our first tape drive (SAS) to SATA bus

Our small team is considering buying our first tape drive for backups. However, we are still lacking serious enterprise-grade servers and have to rely temporarily on SATA drives in our rigs. Cost ...
5
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1answer
170 views

26 hard drive limit on x86 servers, IBM x3650, Dell PE 2950, Dell PE 2850, where is my limitation?

This is in regard to mass HDD wiping/testing. The software I use, WipeDrive Pro 5 and 7, both fall victim. I originally thought it was a limitation of the software, but after speaking with the ...
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3answers
4k views

HDD: performance differences between 7.2k SATA and 15k SAS

What is the rule of thumb in performance characteristics and differences between 7200rpm (SATA/SAS) and 15000rpm (SAS) hard disc drives of the same generation?
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1answer
80 views

What does a RAID controller do if its conection to a SAS expander is severed? [closed]

When you have a RAID controller managing an array over a large amount of disks in an external chassis with a SAS expander, what happens if someone accidentally powers off the external chassis or ...
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2answers
253 views

How to use SAS expanders with Adaptec 2405 Raid Card

I have a server with Adaptec 2405 RAID card. I have 4 hard drives attached to it. I want to add 4 more. Adaptec site says 2405 can handle up to 128 hard drives with SAS expanders. It's not clear to me ...
6
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1answer
4k views

How exactly does a SAS SFF-8087 breakout cable work? + RAID/connection questions

Please let me know if my question does not makes any sense as I am not sure if I am interpreting it correctly from my thoughts due to my lack of technical knowledge on this. If I am using a ...
6
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1answer
2k views

Do SAS expanders work transparently with SAS controllers?

I'm new to SAS expanders and I'm trying to get things right. I understand that SAS expanders, when used with SAS controllers which supports expanders, allows you to utilise the full capacity of ...
0
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1answer
1k views

Error messages in x3550 related to hard drives not detected at bios level

I have an IBM x3550 when I start it I get the following messages: no logical drives found no int 13 drives to support bios not installed I go into diagnostics and I noticed that SCSI ...
1
vote
1answer
172 views

Using both expanders in HP D2700

I am considering purchasing an HP D2700 for use with SSDs (Samsung Pro 840's), for use in realtime playback of high resolution images. The D2700 has two I/O modules (which I assume are the actual SAS ...
1
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0answers
58 views

SAS/SCSI Errors in Syslog: Kernel FAILED

I have a Dell 2950 2U rackmount server with 3 146GB SAS drives in a RAID array, running Slackware 10.2 (an old version, I know). Recently I am seeing these errors in my /var/log/syslog repeating very ...
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2answers
493 views

Will Intel RES2CV360 SAS Port Expander Work With Adaptec 6805 RAID Controller?

Have both the expander and the RAID controller. Hooked everything together according to the docs on-line, but no drivers are seen. Can't tell if this is just a compatibility issue, or perhaps a bad ...
1
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0answers
128 views

SAS RAID Card not accepting disks

I have just purchased a Dell 6/IR SAS RAID card for a Dell SC1435 Poweredge Server that I bought a few months ago on eBay. When I got it, the SAS RAID card fitted (a 5/IR) was faulty and it was ...
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2answers
107 views

Is it ok to run 15k.6 and 15k.5 SAS disks in a SAN together?

I have a SAN (HP MASA 2012) running seagate Cheetah 15k.6 drives. One has failed and I have a replacement drive that is the same except for it is a 15k.5 drive. Is this ok to run in the SAN? What are ...
0
votes
1answer
402 views

New HDD swap in SAS 6 ir shows it is missing?

SETUP: Dell Poweredge T410 with Windows Server 2003, SAS 6 IR Raid-1. Both the original drives were Dell Certified Seagate Barracudas for enterprise, 250gb. The new HDD is a Seagate Barracuda 500gb, ...
0
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1answer
394 views

HP ProLiant DL360 G4p compatibility with external SAS enclosure

I have a ProLiant DL360 G4p and a StorageWorks MSA60. The SmartArray controller currently in the DL360 is a SmartArray 6400. I would like to upgrade it to a controller with external mini SAS so I ...
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1answer
594 views

HP Proliant DL140 G3 not booting after installing SAS E500 Controller

The controller is an HP Smart Array E500 Controller and the disk array is an HP Smart Array MSA50. I have the bios boot order set to have the internal RAID 1 array as the first boot choice, then the ...
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2answers
1k views

Hyper-V 2012 and P2000 SAS SAN

Hi I am having major problems setting up a Hyper-V 2012 cluster on a P2000 SAS SAN. Running System Center VMM 2012 SP1 I am unable to see any storage to create my cluster. Has anyone had experienced ...
2
votes
2answers
2k views

Can IBM System x3650 passthrough SAS?

I am looking at the specs and manual for the IBM System x3650. According to the specs a ServeRAID-8k-l hardware RAID comes standard, but there's an option to upgrade to ServeRAID-8k. If I understand ...
2
votes
2answers
887 views

RAID card w/1x mini-SAS connector : how do I physically connect 16 disks?

I'm looking at a MegaRAID SAS 9240-4i Sgl card which has a single X4 Mini-SAS SFF8087 connector. As far as I know, such a connector can be expanded to 4 SATA disks. So, I would know how to connect 4 ...
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votes
2answers
490 views

No drives showing on LSI 2008 SAS + HP SAS Expander

Followin this guide http://www.servethehome.com/supermicro-x8si6-f-motherboard-review-including-onboard-lsi-sas-2008-controller/ I got myself an RPC 4224 case (They are called Inter-Tech in Europe, ...
26
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2answers
5k views

Why are enterprise SAS disk enclosures seemingly so expensive?

I will begin by stating that I do not believe this is a duplicate of Why is business-class storage so expensive?. My question is specifically about SAS drive enclosures, and justifying their expense. ...
0
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2answers
199 views

Accessing data on SAS drives if server fails

If my server goes down, how can i access the data on the SAS drives? I don't have another server to plug them into, and even then connecting the drive to a different controller (while keeping the ...
1
vote
1answer
248 views

Can the Intel C600-series SAS controller RAID SATA drives?

(Sorry if this is off-topic - technically this is a home workstation setting, but is regarding mostly-server technology.) I have a GA-X79S-UP5-WIFI motherboard and four ST3000DM001 drives, and the ...
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0answers
122 views

How to increase hidden/used space on an SAS hard drive

My server is Windows 2008 R2 Standard Server. I have a SAS drive where all my website files are with the following properties: NTFS File System Allow files on this drive to have contents indexed in ...
1
vote
1answer
549 views

RAID 10 over RAID 5 when using SSDs

I am considering implementing an iSCSI shared storage array using SATA SSDs instead of the 15k RPM SAS drives we normally purchase. We normally use RAID 10 because of spindle contention with the ...
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3answers
2k views

Using SATA drives with SAS shared backplane?

Is it possible to use SATA drives when you have a SAS shared backplane to be able to address the drives?
3
votes
1answer
282 views

Mixing 15K rpm SAS with 7.2K rpm SATA on Dell PowerEdge R610

Is it possible to mix 15K rpm SAS with 7.2K rpm SATA on Dell PowerEdge R610 on the same RAID configuration (Raid 5)? Is the SAS' speed going to drop to follow the lowest speed (the SATA speed)? and ...
2
votes
1answer
709 views

Third-party SSD in Proliant g8?

Anyone having success with third-party SATA or SAS drives with Proliant G8's? I know the G7's were flaky and had BIOS issues. We're looking for real-world success stories with particular brands and ...
1
vote
1answer
403 views

Using 2-port LSI 9286-8e card to control 24 SAS HDDs

I would like to rely on a RAID-on-chip solution to control 24 SAS hard drives in a direct-attached environment. How would you approach this to get best bandwidth given that I'd like to spend less ...
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votes
2answers
364 views

Connecting a SAS server drive with SATA USB cable + Converter [closed]

I'd like to connect a SAS drive (ST3600057SS) to my computer via a USB SATA cable combined with a SAS to SATA converter. This doesn't work and I would like to know why and if there's any way around ...
2
votes
3answers
2k views

Can I use a Smart Array P410 controller on a HP Proliant DL 180 G5 server?

This link says the HP Proliant DL 180 G5 server only supports Smart Array E200, E500, P400 and P800 controllers. Can I use a Smart Array P410 instead? Currently the server has only the default ...
0
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2answers
265 views

HP SAS HDD in an EMC VNX storage?

Would it be possible to use HP SAS 6G DP 300GB 10K SFF drives in an EMC VNX 5100 storage unit, which currently holds EMC 10K SFF drives (these are really Seagate Savvio 10K.5 SFF drives). Generally, ...
0
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2answers
445 views

Windows 2012 RTM Dell G1 1950 and MD3000 with a SAS5 controller?

Seems like a June 6th post by Dell states that the RTM version of Windows Server 2012 should have all the necessary drivers for a Dell G1 1950 -> SAS5 -> md3000 setup. Can anybody who's tried this ...
6
votes
1answer
2k views

replace controller, add second controller, or use expander?

I have a Proliant DL380 G6 that I am re-purposing as a Hyper-V host for a new, off-site data center that will host our DR services. The server currently has a P410i controller with the 512MB BBWC ...
7
votes
5answers
664 views

ML350 G5 - upgrade hot swap drives to 6 Gb/s?

I support a non profit. They got an ML350 G5 donated to them and I immediately put it to good use for them :) It came with four HP 300GB 15K SAS drives - and of course, they have all now failed. I ...
2
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2answers
434 views

Do SATA disks on an SAS backplane impose cable length limits?

On two Supermicro 847E16-RJBOD1 enclosures, I have trouble accessing SATA disks on the rear backplane with 6gb/s. The only significant difference between rear and front backplanes is total cable ...
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1answer
785 views

ESX 3i Drive Assertion Fault on otherwise working system

The graphic (below) shows the fault I am seeing in VMWare Infrastructure Client, the drive0 light is also flashing. Not sure why, the other drive lights are green. Can't see any errors in the logs and ...
2
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3answers
2k views

PostgreSQL server: 10k RPM SAS or Intel 520 Series SSD drives?

We will be expanding the storage for a PostgreSQL server and one of the things we are considering is using SSDs (Intel 520 Series) instead of rotating discs (10k RPM). Price per GB is comparable and ...
0
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1answer
194 views

Connecting HP storageworks to Dell poweredge R720 [closed]

Can HP storageworks 1/8 G2 tape autoloader be connected to a Dell poweredge R720 server?
0
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1answer
107 views

Supermicro x8SAX support

Does a Supermicro x8SAX support SAS drives? I looked through the manual but am not seeing where this is mentioned. I want to set up on board raid 1
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2answers
250 views

Preventing h/w RAID cards from dropping slow JBOD disks

I'm considering buying a used SAS h/w RAID card for externally attaching HDDs to an HP ProLiant I'm setting up. However, I only require RAID functionality on some of the drives. Theoretically it ...
2
votes
2answers
68 views

RAID Controller Link Speed

I was wondering what sequential speed should I expect from a RAID controller that has 1 x MiniSAS 6Gbps port. In the product details -> Data Transfer Rates: Up to 6Gb/s per port Does this MiniSAS ...
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3answers
315 views

Why is my drive so full on my Windows 2008 Server

My server is Windows 2008 R2 Standard Server. I have a secondary SAS drive where all my website files are with the following properties: NTFS File System Allow files on this drive to have contents ...