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 ...
4
votes
1answer
77 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
votes
1answer
36 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
59 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
vote
0answers
26 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 ...
0
votes
2answers
88 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
vote
0answers
39 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 ...
-1
votes
2answers
85 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
0answers
46 views
IBM x3500M4 backplane 94Y5978 as a mobile rack in any other casing? [closed]
Has anyone had experience with IBM component in this case the 2.5" SAS HDD backplane 94Y5978 to be used in other non-IBM casing, say coolermaster. On x3500M4 which 94Y5978 belongs to, the photo in its ...
0
votes
1answer
194 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
votes
1answer
165 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 ...
0
votes
1answer
208 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 ...
1
vote
2answers
574 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
435 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
281 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 ...
0
votes
2answers
237 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, ...
22
votes
2answers
2k 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
votes
2answers
95 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
147 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 ...
0
votes
0answers
64 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
410 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 ...
0
votes
3answers
283 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
148 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
347 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
239 views
Using 2-port LSI 2308-8e 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 ...
-3
votes
2answers
158 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
2answers
717 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
votes
2answers
147 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
votes
2answers
285 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
484 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
393 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
votes
2answers
232 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 ...
1
vote
1answer
190 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
votes
3answers
1k 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
votes
1answer
104 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
votes
1answer
64 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
0
votes
2answers
163 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
62 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 ...
-2
votes
3answers
172 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 ...
0
votes
1answer
123 views
Are there different kinds of Mini SAS to 4x SATA reverse breakout cables?
I have an RPC-4224 case that has 24 bays with 6 Mini SAS ports. I needed a cable to break out one of them into 4 SATA ports, so I went down to my local Fry's Electronics and bought one. The cable came ...
1
vote
1answer
390 views
HP MDS 600 compatibility questions
I've bought a used HP MDS 600 to use as JBOD to a ZFS filesystem.
Originally I just assumed that it was a pretty 'dumb' box and I'd be able to use a SAS card like the 16-port LSI one, and most any ...
1
vote
1answer
99 views
Can I use an HP Smary Array SAS Controller Card In Non-HP Server? [duplicate]
Possible Duplicate:
Proliant raid controller in a PC
There are a bunch of cheap HP Smart Array SAS controller cards on ebay and I'm wondering if they will work with non HP servers ...
0
votes
1answer
2k views
HP P2000 G3 MSA (SAS) - Configuring 2 Hosts to use the same volume (cluster)
I have got 2 x HP DL360 G7 servers with the sc08 controller cards installed, and dual controller P2000 G3, the cabling is a single cable from each server to the controlelr cards (using SAS port 1 on ...
0
votes
1answer
91 views
External 2.5" enclosure SATA power only [closed]
we have these mini-SAS PCIe SATA III controllers. Mini-SAS enclosures seem to run about $500, but I can use a $10 mini-SAS-to-SATA adapter cable so then all I need is an external enclosure that ...
4
votes
3answers
316 views
What type of SAS/SATA cables do Dell SAS6/iR and SAS5/iR controller cards use?
I'm considering buying a bunch of these to upgrade our servers at work (with SATA drives, not true SAS). We are out of ports to plug disks into, and these cards are decently supported and cheap.
The ...
2
votes
1answer
235 views
Does the Intel DX79TO motherboard support x8 devices (SAS HBAs) on PCIe x16 slots?
Context:
I have an Intel DX79TO motherboard and a Sun SAS3081E-S/LSI 1060E-S HBA card with a PCIe x8 interface. I plug the HBA into my mobo next to my graphics card, and the HBA power lights ...
3
votes
3answers
388 views
Are all SAS drives hot-swappable?
Can get a 300GB Cheetah 15K SAS 3.5 disk for quite a bit cheaper through another supplier vs. Dell's out-of-warranty depot (for an aging PowerEdge server). Specs are identical, wondering if there's ...
0
votes
2answers
594 views
RHEL5 do not see sas tape library
We have a tape library which is connected to a server by SAS link. Server is running OS Linux. OS doesn't see the tape library in /proc/scsi/scsi . We tried to rescan scsi bus(*1), but it didn't help.
...
3
votes
2answers
491 views
DAS vs SAN storage for serving 2 to 4 nodes
We currently have 4 Linux nodes with local storage, arranged in two active/passive pairs with storage mirrored using DRBD, running virtual machines (actually using Xen Hypervisor) for typical hosting ...
1
vote
1answer
117 views
Do 10m external SAS cables work?
According to the Wikipedia page external SAS cables are specified for up to 10m length.
However, I found it pretty hard to actually find places that sell cables of that length. This made me wonder:
...
1
vote
1answer
1k views
What is the max supported number of SATA devices (using cable adapters) on a Dell SAS 6/iR adapter?
I've got a Dell SAS 6/iR PCI-E adapter. I don't have a multiplier backplane. I'm planning on connecting SATA (non SAS) drives. If I buy cable adapters only (ones that split a SAS connector on the card ...
