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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2
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2answers
55 views

SAS expander card, not detecting DAS, is this supposed to work?

I have a similar sas expander HSTNM-B017 and when I connect an external DAS unit to it (HP StorageWorkd MSA50) nothing shows up in device manager or disk manager, as if its not connected. do you have ...
0
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0answers
13 views

Backup Drives: Should I prefer more cache or a SAS interface?

Background: I am buying new drives for a backup server. I've found a good price on a WD RE drive that has a SAS interface but only 32MB of cache. I have to pay $40 more to get a SATA interface and ...
1
vote
2answers
6k 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 (HP-branded)...
-1
votes
0answers
12 views

Multiple SAS Controllers [migrated]

I am in the process of creating a custom server for which I have the ability to have over 20 HDD's in this device. I want t be able to make good use of a large number of 2TB and 3TB HDD's I have. ...
0
votes
0answers
6 views

How do I make SAS disks recognizable on a HP Proliant DL160?

I have a customer with an HP ProLiant DL160 Gen9 (4LFF) with 2 SAS disks (2TB each one). We figured he needed a SAS controller to make these disks work (the lights go amber, meaning the disks are ...
0
votes
0answers
130 views

How to reset Areca RAID card built-in SAS expander password?

I just bought used ARC-1882IX-12 card but the seller forgot password to the SAS expander. The web management worked well with default "0000" password. How to reset it ?
0
votes
0answers
34 views

RAID 5, 50 or 10 with HOT SPARE Possible…? [duplicate]

I want to go for a Larger storage capacity but getting confused to use RAID Level. As have to reach the required IOPS, still maintain reasonable redundancy and have at least 5TB of logical storage ...
1
vote
4answers
112 views

How do I test SAS HDD connected to HP Smart Array P410i controller?

My client is getting a used HP Proliant DL360 G6 server and I want to make sure that it's safe to use this server further in production. I've tested RAM using GoldMemory (results are OK), and now I'm ...
0
votes
2answers
1k 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 ...
0
votes
2answers
83 views

Does the backplane on an HP server have any impact on the speed of the drives?

I have an HP Proliant DL380 Gen7. The server currently has no drives and is running on the integrated smart array controller. I was looking into replacing the controller with an LSI-9211-8i controller ...
1
vote
0answers
103 views

Connect external 4-bay SAS enclosure to HP SAS Expander Card?

I've got an HP DL380 G7 with the HP SAS Expander Card. The server has 16 internal drive bays, which are all populated. It also has an external SAS connector on the expander card. I have an external 4-...
0
votes
0answers
26 views

lsi sas 3442E-R Low write speed (4 MB/s) IN RAID 1 MOD

R controller (B1 Revision) Latest BIOS and MPT version MotherBoard: ASUS P8H77-M LE, Latest BIOS version sas 3442E-R insert into PCI-E x4 slot. in x16 slot - not detect motherboard DISKS: WD sata ...
1
vote
2answers
213 views

Dell Power Edge 2950 SAS RAID configuration

I have been given a Dell Power Edge 2950 by the company I do service work for to use as a backup server. When I first got it there was a message saying "PCIe Training Error Slot 1". I managed to get ...
0
votes
1answer
39 views

HP ProLiant G6 w/ P410i controller not recognizing ST1000NX0363 drive

I've purchased a new Seagate ST1000NX0363 HDD for my HP ProLiant DL360 G6 Rackmount server. I've installed the drive into one of the hot-swap bays, but unfortunately the P410i controller doesn't seem ...
-1
votes
2answers
38 views

HP PL580 gen7 - HP SAS 1,2TB 10K SAS 6G SFF DP is stuck in case

that's maybe quite a stupid question, but without finding any solution, I have to ask it. I got an old HP PL580 gen7 together with the 2 HP SAS 1.2TB 10K SAS 6G Harddisks(allready mounted in a cage) ...
10
votes
2answers
22k 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 ...
3
votes
3answers
6k views

How do I power SATA drives in my DELL poweredge 2850?

I have a Dell 2850 which I've been fairly happy with. It runs RAID 5 to 6 Hot-swap SCSI drives, but I'd like to add some cheap storage. So I bought an Intel PCI-X SATA raid card and tried to install ...
0
votes
1answer
30 views

Can I use an external 3G SAS device with a 12G card?

I want to connect an old 3G SAS DAS (Dell MD1000) to a new 12G RAID controller (PERC H830 or something LSI 3108-based). I assumed it would be backwards-compatible like SATA1/2/3 is, but after closer ...
0
votes
0answers
22 views

Dell SAS 6ir suddenly can't find boot devices

I have a Dell Poweredge R300 with a Dell SAS 6ir RAID Controller that's worked perfectly for years. It has two 500gb drives configured in RAID 1. We had a long power outage the other day that ...
3
votes
3answers
415 views

What's the top normal S.M.A.R.T. temperature for HGST Helium Ultrastar 8TB 7200 RPM SAS 12Gb/s enterprise drives?

I've just received new Dell R730xd 2U server with faceplate 12 * 3.5" drive bays + 4 * 3.5" mid-body tray, located above RAM modules & CPUs. I've plugged 16 * HGST Helium 8Tb 7200 RPM SAS 12Gb/s ...
3
votes
1answer
65 views

Four lane SFF-8088 to SFF-8470 cable, 6G/12G

I need a couple of SFF-8088 to SFF-8470 cables and the HP manual says the HP 408771-001 is the right one for me. My hardware dealer has them in stock for about 100$. I browsed a bit and found the HP ...
1
vote
1answer
75 views

No disks visible behind SAS Expander

I'm trying to hook up an Infortrend SAS shelf and I have a big issues to get the disks visible. The shelf is connected via a LSI Logic SAS1068E B3 HBA with current IT firmware, and 2 SAS cables. The ...
2
votes
3answers
166 views

SAS / SATA max number of connected disks vs performance

I would like to understand following things: When I have a motherboard with SATA 6gb/s and 8 ports, does it mean that every single port is able to provide 6bg/s speed to disk that is connected over ...
0
votes
1answer
23 views

HP 300GB SAS 2.5" Dual Port HDD

I have been offered a couple of HP 300Gb DUAL Port 2.5" SAS drives will this work in a NON HP system ? My system uses a Adaptec 6405e SAS RAID Controller there is NO mention of DUAL port I'm not ...
0
votes
2answers
25 views

SAS-2 6Gbps Maximum Disk Capacity

So I think this should be a simple enough question but my google-fu is not turning up an answer. I am wondering what the maximum size a single physical disk can be under the SAS-2 6Gbps spec. I ...
2
votes
1answer
53 views

Active/Active MultiPathIO to two HP d2700s?

Our XenServer 6.5 hosts connect over ethernet to shared SAS storage via a single Linux based HP DL360 G6 "bridge". This single StorageServer bridges ethernet to SAS and shares out via an iSCSI daemon....
1
vote
1answer
46 views

HDD Choice - Single Server - 20 Users

A client of mine has 3x 300GB 15k SAS Drives in RAID 5 setup. He needs more storage space, and I'd like to replace them given their current age. I was thinking of replacing them with 3x 1TB 7K SAS ...
0
votes
1answer
42 views

Dell cable M246M vs generic mini sas cable

Is there any difference beyond brand between a Dell M246M cable and a generic mini sas-8087 cable? Is it just branding, quality control? Or is there some difference in the actual cables or connectors? ...
7
votes
7answers
8k views

Use of 2.5" Laptop Drives in a Server?

We're acquiring several 1U servers with (8) 2.5" drive slots. Although we can use either SATA or SAS, there is a large price variance as soon as you order 16 or 24 of these drives, so we are looking ...
0
votes
4answers
376 views

hp proliant not recognizing emc sas drives

We have lots of 2.5'' SAS drives from a decomissioned EMC AX4 array (Seagate Savvio 10k.3), and would like to install on HP Proliant 360pG7. Proliant does not detect those drives, is there something ...
0
votes
1answer
29 views

Which bandwith can i expect, when i´m running a SATA SSD on a SAS interface?

So, i know this question had been asked before. I consider to buy a SSD for my Server, because i kinda hate the SAS HDDs in there. I thought: If i connect a SSD, which, in fact, handles way more ...
0
votes
1answer
2k 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 ...
1
vote
1answer
140 views

What speed should I expect from an MSA60 attached to an HP p212

I have an HP DL380 G5 with a P212 controller and a 256MB cache card/battery. The P212 is hooked up to an MSA60 enclosure, which for testing, I have populated with 8x 500GB 7.2k SATA disks. I know ...
0
votes
0answers
58 views

IBM x3650 M3 Rackserver - What configuration for VMHost

I need a Server for hosting several virtual machines. I want to run 3-5 Linux systems (mostly Debian) VMs for webserver, database, GitLab, ldap and also a fileserver. I can choose between these two ...
1
vote
0answers
104 views

mpt2sas failure fills syslog

I have a strange error message in the logs, which started like this: :39:35 host1 kernel: [54674279.243416] mpt2sas0: fault_state(0x2651)! :39:35 host1 kernel: [54674279.243543] mpt2sas0: sending ...
1
vote
1answer
109 views

HP DL385 G7, HP LTO 6 drive + P431 controller + 2012R2?

Im faced with the challange to making my HP385 Gen7 work with my new HP LTO 6250 drive on a HP SAS bus card. Originally the plan was to use a SC08ge adapter with srv 2008R2 but suddenly my company ...
2
votes
1answer
136 views

Poor performance with Linux software raid-10

I have a machine with an 8 channel LSI SAS3008 controller chip, and individual drive testing shows I can write to any disk or all disks at between 174 MB/sec and 193 MB/sec with a sustained write ...
0
votes
0answers
86 views

Add a new disk to raid1 on LSI Logic SAS1064E B1 controller

I've a trouble with my (two disks) RAID1 array running on a LSI Logic SAS1064E B1 controller. The array is degraded and one disk isn't detected by the controller. I've tested both disks with a sata to ...
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votes
1answer
62 views

3ware 9650se not recognizing SAS drives, what else should I check? [closed]

The card works fine with SATA Raptors but can't see 2 different models of Cheetah. Drives are fine and have standard fw - visible with LSI 3081ER.
146
votes
6answers
24k views

Are SSD drives as reliable as mechanical drives (2013)?

SSD drives have been around for several years now. But the issue of reliability still comes up. I guess this is a follow up from this question posted 4 years ago, and last updated in 2011. It's now ...
1
vote
4answers
371 views

Erasing Server RAID Hard disks (SAS and SATA) for decomissioning

We are in a process of decomissioning a handfull of Fujitsu Primergy Servers. Before of course, we want to make sure that the hard disks are completely wiped out. But it seems there is no way to ...
2
votes
0answers
99 views

Expanding JBOD with SAS extenders

My project is expanding 24-HDD ZFS box by adding 45-drive box with option to add another 45-drive box later (all are JBODs). Host box (24 HDDs) is Supermicro with single port expander backplane and ...
3
votes
1answer
3k views

Steady red light on 2 HP SAS drives in RAID 1

I have a HP ProLiant web server with two HP 300GB SAS SFF 2.5 inch drives (Model: HP 507127-B21). Both drives have a solid red light, however there is no indication within the management software that ...
12
votes
5answers
6k views

Any experience with SATA SAS Interposer Cards?

Driven by the current price difference between SATA and SAS disks on one side and the potentially bad behaviour of SATA disks in bigger storage arrays on the other side, I have found so-called SATA-to-...
5
votes
2answers
13k views

Mixing dual and single port SAS disks

I have a HP DL380 G5 with 8x146GB single port SAS SSF disks (DG146ABAB4). A couple of them have failed and I can't find any new single port disks anymore. They all seem to be dual port. I'm wondering ...
0
votes
2answers
2k 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,
0
votes
1answer
21 views

what are the good ways to migrate the Hdd SAS from bad server to the good server without lose data

I have a problem with a HP ProLiant ML350 G6 with 2 SAS HDD 300GB : I shut it down for add a network card, but it won't start. I have changed (migrate) the HDD to an other good server, But both ...
0
votes
0answers
193 views

LSI SAS2208 poor RAID 10 peformance

Due to customer and sales being inattentive, the customer bought a Lenovo/IBM x3650 M4 using the onboard m5110e RAID for a mix of RAID1 and RAID10, but without the RAID RAM memory, the flash backing ...
0
votes
2answers
94 views

How can 8 SAS lanes support 1024 disks? [duplicate]

According to the LSI 9207-8e specs then it supports up to 1024 disks of 6Gb/s, which I don't quite understand, when it is only an 8 lane JBOD card. In my case, I have an HP D6000 with 70 disks as ...
2
votes
0answers
55 views

nexenta and hotswap sas disks. cfgadm not working properly

There is a problem with the hot-swap SAS drives. Initial data: Nexenta 4.0.2 Server-based Supermicro (MB S5520HC, internal RAID controller RMS2LL080/LSI 2008), 12 HDD SAS 300G 10 HDD SATA 1T, 2 SSD ...