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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HP ML350 G5 146gb 15k SAS 3.5" HDD Upgrade Options

Okay, spent a lot of time researching this and still can't quite find the exact answer I'm looking for. I have an HP ML350 G5 with (4) 146gb 1 port 15k SAS 3.5" hdd's and an HP E200i controller. I'd ...
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13 views

LSI SAS1068E (aka LSI SAS 3442E-R) bandwidth

Recently I connected LSI SAS 3442E-R and two HP SAS 600GB 10k HDD. My motherboard is AsRock Z97 Extreme6. Disk are configured as JBOD, no raid. Linux lspci shows: 0b:00.0 SCSI storage controller: ...
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How to configure expander card RES2SV240 in an Intel Server Board S2600WT?

So, I'm trying to configure this expander card into my server. I have an Intel Server Board S2600WT in a R2312WTTYS case, which means I have a backplane in the front with 12 slots, and another ...
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12 views

Scsi command to find out maximum link speed of a sas drive

I am trying to find a scsi command that would determine maximum link speed to a HDD. Mode_sense page 19 gives negotiated speed I believe. Does anyone know how can I find out maximum link speed of a ...
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1answer
27 views

Debian installation on MegaRaid SAS 9266-4i

I have server here, with Intel Xeon CPU on Intel MB and with MegaRAID SAS 9266-4i. I need completely reinstall this server, however I'm not able to see this raid in Partition manager. Tried to load ...
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1answer
51 views

Dual R710/MD3400 SAS Connectivity

We've recently purchased 2 x Dell R710s and 2 x Dell MD3400 SAS storage devices with 12 2tb drives in each with 2 dual SAS connections from each server to 2 dual raid controllers on both MD3400s (I've ...
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1answer
14 views

SAS Expander Drive Compatibility

To my knowledge a SAS Expander reports the hard drives transparent to the Host or Raid Controller. If I want to use 4k native drives (4kn), do the Expander also have to be capable of 4kn drives or ...
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28 views

Advice on SAS minimum SAS controller specification

I have four HP 600GB 10K 2.5" SAS HDD Drives and I want to buy a SAS controller to connect them to my PC (ASRock Z97Extreme6 Motherboard). My requirements are: They will run under software RAID 1 ...
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11 views

Accessing existing disk using MegaCli preserving data

I would like to access an existing SAS drive using a megaraid controller. This seems to be possible with MegaCli -CfgEachDskRAID0 -a0 It is unclear from the documentation I've found that this ...
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30 views

sas sense key data protect

I have several Hitachi Ultrastar SSD400M Model #HUSML4040ASS601. They had a block size of 520 and I was able to successfully format all but one of them using sg_utils' sg_format to 512. However, one ...
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1answer
62 views

HP Proliant DL360 G6 Maximum Logical Drives

I have an HP Proliant DL360 G6 server with 8 HD bays. Currently I have the first two bays working with ESXi and I'm just running RAID 0 on a single drive. This is not a production machine. It has a ...
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19 views

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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51 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
69 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
23 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
89 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
269 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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34 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
64 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
100 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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209 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
164 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
51 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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122 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
36 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
178 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
525 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
87 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
59 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
52 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 ...
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1answer
324 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
121 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
372 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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37 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
273 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
839 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
189 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
177 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 ...
0
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1answer
86 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
1k 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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270 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
886 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 ...
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1answer
907 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
590 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
101 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
524 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 ...
2
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1answer
56 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
85 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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308 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. ...