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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I am trying to deploy SAS ECM webapp over Weblogic Server, but I am not able to start this app and getting below error in error log

I am trying to deploy SAS ECM webapp over Weblogic Server, but I am not able to start this app and getting below error in error log <Jun 29, 2015 11:44:12 AM GST> <Error> <Deployer> ...
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11 views

LSI SAS 9211-8i not showing drives from HP SAS Expander

I am trying to boot from one of the HDD's attached to my LSI card however I cannot as it does not find the bootable drive. I have selected the card as a boot device in the BIOS. When I use Ctrl + C to ...
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1answer
24 views

HP ProLiant SE326M1 not booting from LSI SAS 9211-8i

I have taken out the old RAID card in my HP ProLiant SE326M1 server and replaced it with the LSI SAS 9211-8i HBA. I then installed Nexenta community edition onto three of the drives that are attached ...
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1answer
18 views

How to mirror storage array over WAN

We are looking at adding a SAS storage array to a server, and would like to mirror the array (or partitions) to a remote server with another array. The server is running VSphere 5 (in case that ...
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1answer
76 views

What does the designation “SGL” mean for a SAS Host Bus Adapter?

We're looking for a non-RAID SAS Host Bus Adapter to connect a tape drive to our Dell PowerEdge server. Shopping around online for an LSI 9300-8e we see models listed as just "9300-8e" and models ...
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1answer
65 views

SAS-3 vs SAS-2 HDDs

What are the main differences between SAS-3 and SAS-2 HDDs? Are there performance differences? Suppose we are talking of 10k rpm disks, ~1 TB, in both cases. Regards,
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1answer
33 views

Does SAS server rotate always in it's default speed (like 10K, 15K)

I have some concerns about disk throughput in order to plan my SQL Server deployment. I know from experience that consumer SATA disks sometimes go into sleep mode when not used for a longer period. Do ...
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1answer
47 views

HP DL180 G6 - Are 6G/s speeds obtainable?

I have a DL180 G6 server with 12x 2Tb 6G/s SAS drives. I was only getting 3G/s reported. I then went and purchased a P410 controller with 512 Meg cache and battery. I loaded up the drives with Server ...
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1answer
41 views

Difference “SATA style SAS connector” (SFF8482) and SATA

I own a tape drive with a SATA shaped connector on the backside, but the datasheet says it should be connected to SFF8482. I saw, that SFF8482 is usually converted to up to 4x SATA connectors, so my ...
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138 views

Dell r730 + Dell 12Gb SAS + Centos 7 + netvault 9.2 quantum superloader 3 not found

In the above configuration Netvault does not find the library attached to the sas controller. What driver should I see with lsmod for the SAS card? I have: ... mpt3sas 195379 0 ...
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1answer
93 views

HP DL360 G5 RAID controller not recognizing drive bays 5 and 6

I have an HP DL360g5 bios P58. With a Slot 0, HP Smart Array P400i Controller (256MB v2.08) The server originally was running Windows Server 2003 with 2 72GB 15k SAS drives in RAID0. One of the ...
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1answer
46 views

SAS balancing vs Network balancing

I want to configure file server in MS Windows Server 2012 R2 environment, which would load balance traffic. I have got a SAS disk array with 2 SAS controllers which is connected to 2 Hyper-V cluster ...
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92 views

Is there a way to disable or hide SAS drive on LSI SAS 3008 controller?

I am setting up Dell Precision 7910 workstation that has LSI SAS 3008 controller and 2 SAS drives connected to it. It came with Windows 7 installed on drive with smaller drive number (0x09 on LSI bus ...
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1answer
24 views

SAS direct dual link connection to an embedded LSI Fusion-MPT controller

This is a hardware question. I have a dual-link SAS hard drive and a Intel S5000XVNSAS motherboard without the drive cage option. Recently, I bought a direct dual-link cable in amazon. But when ...
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2answers
106 views

Max SAS throughput of a disk stack?

I've been trying to figure out something. I have a stack of SAS shelves (attached to a NetApp if that's relevant). Each devices within the shelf is 6G SAS. According to the vendor, the sustained ...
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2answers
352 views

Redundant Paths between DELL R720 and MD3420 in ESXi 5.5

We had some trouble configuring redundant paths between a DELL R720 and MD3420 storage connected via two LSI 12GB SAS-HBAs using ESXi 5.5. The datastore was accessible and worked fine, except for the ...
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2answers
67 views

daisy chain SAS tape drives?

I need to add a second SAS Tape drive to my server. I have a second PCI-E SAS card, however I don't have any free PCI slots in the server. Is there any way to daisy chain external SAS devices together ...
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1answer
51 views

IBM BladeCenter S: How to configure new SAS disks

I have an IBM BladeCenter S, and I have added two new 450GB SAS disks. I want to configure the disks as a RAID 0, and assign the new disks to one of the servers in the Bladecenter. When I connect to ...
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2answers
50 views

What types of workloads require SAS disks compared to SATA?

I am looking to outfit my new server (new to me) with larger capacity disks. The server right now has 4 SAS 146GB disks in it. My original thought was to just buy larger SAS disks and replace or add ...
2
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1answer
239 views

Cabling for SAS drives in a Dell T420 with Perc H710

After having purchased a Dell T420 with SATA drives and without RAID, and discovering this was a mistake for performance reasons, I'm obtaining a Perc H710 PCI card and SAS drives. Now I'm stuck with ...
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1answer
104 views

What kind of Dell Perc H710 card is a “VM02C”?

A number of vendors (e.g., on eBay) sell a Perc H710 card they say is a part number VM02C. However, I can't find this in Dell's website, either by looking at every H710 card list in the parts area, or ...
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2answers
268 views

Slow writes Dell Server R720

I have a Dell R720 Server with PERC H310 hardware raid 5 and 4 x Seagate Cheetah 15K.7 ST3300657SS 300GB hard drives. Windows Server 2008 R2. The reads look good, but the writes are painfully slow. ...
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32 views

FreeBSD disk device names/targets on LSI SAS9211i (IT)

I have a machine with an LSI SAS card (8 SAS/SATA ports) with 8 drives that were initially named da1-da8. The numbering stayed consecutive (first drive -> da1, scbus3 target 0 lun 0, etc.) until I ...
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1answer
211 views

How to make Dell PowerEdge R410 boot from two hard drives?

I have a Dell PowerEdge R410 with two SAS drives connected to the SAS controller and I would like that both of them can be in the boot sequence tried to boot. I would like to use md software RAID-1 in ...
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1answer
724 views

Recovering data from a failed SAS drive? (RAID0…yes, I know)

We have a HP DL360 server with a P400 controller, which has two 72GB 10K SAS drives in a RAID 0 configuration (yes, I know...RAID 0). The HP Model number for the drives is DG072A8B54 Recently, one ...
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1answer
143 views

Can I recover my raid after blown backplane / mobo?

We had a catastrophic server failure the other day. The server was the head to our NAS. Multiple disk shelves were attached via SAS (SFF-8088 to a HP Smart Array RAID Card). Also connected to the RAID ...
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1answer
125 views

connecting HP gen 5 SAS raid cage to a third party (3ware, LSI) controller?

I have a ML350 G5 that I'm thinking of repurposing to save money. I'm looking to install FreeNAS but it (ZFS) doesn't play nice with the HP e200i card that's part of the motherboard from what I've ...
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1answer
56 views

Understanding SAS transfer speeds

I've been tasked with building some large storage and i'm first working to expand my SAS knowledge. As i consider transfer bottlenecks and SAS speeds, i can't help but wonder how 12 Gb/s SAS equates ...
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1answer
734 views

ProLiant DL380p not recognising HP hard drives on boot

I have two ProLiant DL380p rack mounted small factor servers. I have installed the following drives onto both servers: 1x 240GB SSD drive (Crucial NOT HP branded) 2.5" SATA 7.2k rpm 1TB ...
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0answers
222 views

HP Proliant ML350 G5 - smart array initializing

I have a big problem with a HP ProLiant ML350 G5 with 2 SAS HDD 146Gb : it start with the message : "Slot 0 HP Smart Array E200i ... initializing" without any error message. if I test the HDD with ...
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5answers
614 views

Do Equallogic PS6010s accept non-EQL firmware disks?

We have a PS6010 which is just out of its support contract. We are looking to give it another lease on life so would like to replace all the drives with new ones. It currently has 16x ...
6
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1answer
667 views

How do you connect more than 4 drives to a LSI 9361-4i MegaRAID controller?

I’m fairly new to proper hardware RAID having only used it in pre-built server machines before, but on the recommendation of some friends who work for datacentres I’ve bought an LSI 9361-4i MegaRAID ...
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2answers
390 views

SAS Expander backplane performance drops when more than 8 drives are active?

We are using an LSI 9211-8i raid controller (flashed in IT mode) in a PCI-e 2.0 x8 slot. It's connected to a supermicro SAS 836EL1 backplane with 1 SFF-8087 cable. We have 16 drives installed. When ...
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1answer
80 views

SFF-8087 cable and connector variations causing fault?

I recently bought a set of 6 cables to connect my LSI MegaRAID card to my Norco-4224 backplane. The connector on both ends is SFF-8087. However, when they arrived, the disks would not be detected. ...
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2answers
432 views

Hardware mods: kludging a conversion from U320 SCSI to SAS/SATA

I apologise if this isn't an appropriate question for this forum. I've an elderly server that works well and that I'd therefore prefer not to scrap entirely. But I would like to replace the current ...
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1answer
49 views

Failing drive in RAID10 array; which degraded state will be least punishing on performance?

Running on LSi 9260-16i, with 16 SAS drives (Seagate Savvio 15k.2). One drive is getting media read errors, so we're going to RMA it out. Which of these is the least performance destroying option in ...
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1answer
2k views

How to upgrade the firmware of HP SAS expander card without Smart Array controller or Proliant Server?

How can I update/upgrade/flash the firmware of an HP SAS expander card [468406-B21 a.k.a. 487738-001]? I used to do this using Windows and a HP P410 Smart Array controller, however that controller is ...
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1answer
76 views

How to enable SAS-12 on LSI 9361 RAID controller

By default, this SAS-12 controller runs with SAS-12 SSDs at SAS-6 speeds. How to unlock SAS-12?
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2answers
256 views

LSI MegaRaid - Image Drive from Failed RAID

I had a power failure and my LSI MegaRaid 3 disk SAS RAID 0 failed. My attempts to recover the RAID have also failed. I plan to rebuild the array and go with RAID 5 and add another SAS disk. ...
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2answers
150 views

Mini-SAS Connector Issue

allow me to apologize in advance, because I am horribly uneducated in this realm, yet I find myself with this problem: My company hired ProMax to setup all of our networking in our office. One of the ...
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2answers
328 views

Unsupported Storage Connection Detected on HP DL380 Gen8

I'm hoping this is the right place to ask. I recently received a new HL DL380 Gen8 server, on which I want to install Server 2012 R2 via Intelligent Provisioning. According to the specifications, ...
4
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3answers
2k views

Why do servers have SAS instead of SSDs? [closed]

I was wondering why do servers still come with SAS disks instead of SSD disks? I know that SAS are faster than normal hard drives but they are still much slower than SSDs. I think they are more ...
0
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1answer
3k views

HP ProLiant ML350e Gen8 v2 Not Detecting Hard Drives

I have tested several solutions but non of them cant detect my 2 hard drives (legacy mode , acpi and raid embended) I have a 2 Dell-Seagate SAS Cheetah 15k,7 hard drives (ST3300657SS) (they are not ...
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2answers
150 views

1 x Raid card and 6 sata drive over 1 SFF-8087 port [closed]

I have a question regarding LSI00328 LSI MegaRAID SAS 9271-4i Can I connect 6x sata drives to -4i card or I need -8i version
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1answer
42 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 ...
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1answer
644 views

Bandwidth with SAS expanders and RAID controllers

Having a RAID controller that has eight internal SATA3 lanes, you can get 6 Gb/s on all eight drives. What if I connect a 24 port SAS expander to an eight port RAID controller, do I still get max ...
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1answer
601 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 ...
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1answer
114 views

What is a Fibre Channel disk? [closed]

Our NetAPP SAN uses something called "Fibre Channel" disks. What are Fibre Channel disks, and does this mean that I can't replace them with a NetApp SATA or SAS disk?
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1answer
588 views

How does loss of DWORD synchronization affect the health of an SAS disk?

I tried to get more information from the error log of an SAS disk by running the following command that prints values and descriptions of the SAS (SSP) Protocol Specific log page. # smartctl -d scsi ...
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2answers
187 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 ...