The sas tag has no wiki summary.
3
votes
1answer
35 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
0answers
20 views
Monitor SMART Values of a SAS/SCSI drive with Munin
I'm trying to monitor my two SAS drives using the SMART Tools Plugin for MUNIN.
On SATA drives its no problem, all SMART values are being shown.
It seems that smartctl doesn't output valuable SMART ...
0
votes
0answers
12 views
Running SAS 9.2 executable from a .NET (C#) web application or web service doesn't work
We currently have a machine which has SAS 9.1.3 installed, a simple ASP.NET web service whose methods call sas.exe with some parameters using the Process class in .NET.
When SAS 9.2 was installed ...
-1
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0answers
20 views
Connecting 3TB SATA drive to SAS board [closed]
I tried connecting a western digital 3TB SATA drive to a SAS board in my HPz800 workstation. However, in the BIOS, only 2TB is detected from the 3TB SATA connected to the SAS board. Is there such a ...
4
votes
2answers
77 views
Dell MD1000 and an x4 SAS connector throughput / layout
I'm trying to get my head around how a multi lane x4 SAS connector works in a DAS system such as the Dell MD1000. I understand that each lane is 3Gbps, and that multiple hard drives can share a lane. ...
-1
votes
0answers
73 views
PowerEdge T110 II SAS and Windows 2003 32Bit
I'm planning on buying this server:
PowerEdge T110 II SAS, Intel Xeon Quad Core E3-1230 (3.20 GHz, 8M Cache, Turbo, 4T), Chipset Intel C202, 4GB Memory (2x2GB), 1333MHz UDIMM exp 16GB max, 2 x 300GB ...
0
votes
0answers
35 views
Adding a file server or adding SAS to our current server: weak hard disk performance of our current server?
Our server now has 2 hard disk SATA RAID 0, I tested the performance of the server and it is clear that the problem is in the performance of the hard disk,
we have 50 pcs, 35 ones use shared folders ...
2
votes
4answers
263 views
HP D2700 enclosure and SSDs. Will any SSD work?
I've got an HP D2700 enclosure that I'm looking to shove some 2.5" SSD drives in. Looking at the prices of HP's SSD drives vs something like an Intel 710 and even something less 'enterprisey', there's ...
1
vote
1answer
27 views
Does the order of SAS drive matter when installing old drives?
I have an old ibm server with 12 hard drive bays, 4 of which are used (SAS 72gig drives), and configured in a raid 1 array. The server will be sent away for repairs, when it comes back, do I need to ...
3
votes
2answers
68 views
HP SAS hdd in non-HP server
I wonder if I could re-use some HP SAS drive in a non-HP server.
Description:
146GB 2.5" Serial Attached SCSI (SAS) SFF
3G Single Port Hot-Plug 10K HDD
Option Part# 431958-B21
Spare Part# 432320-001
...
2
votes
1answer
257 views
How can I connect a SAS drive to USB? [closed]
I have a Dell T710 with Seagate Cheetah 15k.7 SAS disks. If the T710 motherboard dies, I'll need to resort to one of my nightly off-site backups and salvage the journal/logfile from the SAS disk to ...
0
votes
1answer
64 views
Difference between LSI SAS3081E-R vs. LSI SAS3081E-S SAS/ATA HBAs
I'm trying to figure out if there are any differences between the "R" vs. the "S" of this SAS controller. As far as I can tell, the "S" is a Sun Microsystems re-branded version. I can't find much ...
0
votes
1answer
74 views
ASUS PIKE 6480 doesn't work with debian?
I have DIYed an 1U server with [ASUS Z8NA-D6] motherboard, PIKE 6480
extended RAID card, and four SAS hard disk. And I can find this extended card's module in the linux kernel called mvsas. But fail ...
1
vote
3answers
179 views
SSDs or 15k sas for server OS / application drive?
I'm thinking about upgrading the OS / application drive for an HP DL 580 G5 running windows server 2003 64-bit. We currently use 3 75GB 10k rpm SAS drives in RAID 1. The server is mainly used for ...
6
votes
1answer
455 views
LSI 9285-8e and Supermicro SC837E26-RJBOD1 duplicate slot numbers?
I am working with 2 x Supermicro SC837E26-RJBOD1 chassis connected to a single LSI 9285-8e card in a Supermicro 1U host. There are 28 drives in each chassis for a total of 56 drives in 28 RAID1 ...
0
votes
2answers
99 views
MegaRAID SAS 8208XLP
I'm just wondering whether anyone knows if I can use a Debian distro with the MegaRAID SAS 8208XLP controller. Currently at the moment LSI only supply drivers/support for RHEL/CentOS but I was ...
9
votes
3answers
159 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 ...
3
votes
1answer
108 views
Can I mix SAS and SATA2 drives on one controller?
I've read here that I can't mix SAS and SATA2 drives on the same controller - is that really true? I understand I shouldn't mix on the same channel, but the same card!?
For example, when I plug my ...
-1
votes
2answers
222 views
Dell R510 backplane/LSI RAID card
I've been tasked to price up and order a new server. My plans are for a Dell Poweredge R510 with the 8 HDD option, an LSI 9265-8i RAID card, two Dell 600GB 15k 3.5" SAS drives in RAID 1, and six Intel ...
0
votes
1answer
70 views
Recovery from SAS Harddrive [closed]
Possible Duplicate:
What are the different widely used RAID levels and when should I consider them?
I have 6 SAS Harddrive configured on RAID 0. One of my SAS Harddrive has gone faulty, So ...
3
votes
1answer
99 views
SSD in early 2008 Xserve Apple Drive Module
Pretty much the title: it possible to use a modern, 2.5″ SSD in an Apple Drive Module on a early 2008 Xserve? This would be replacing a 15k RPM SAS drive, and in most places I've looked that HDD is ...
1
vote
4answers
179 views
7.2K Near Line SAS with Large RAID Controller Cache vs 10/15K SAS
I'm working on an application to capture a lot (10 million +) of really small blocks of data (16 bytes) every day. The data is not sequential (i.e lots of seeking about to write) and it's not a ...
-1
votes
1answer
89 views
Database server is better to have SAS than SATA, also preferable RAID1?
I want to know if it's better to hast DB server by SAS hard disk than SATA hard disk?
And it's also better to use RAID1.
I don't know much about RAID.
If the server is RAID6 default. Can I change ...
2
votes
3answers
96 views
What's the relation between “HP Diagnostics” the “Array Config Utility” and “Windows Disk Manager”
I have a failed drive that is reported in HP Diagnostics
https://localhost:2381/hpdiags/frontend2/frontend.php?
It tells me that Logical Drive 5 has a drive that is about to fail. The name of ...
1
vote
1answer
129 views
Where did the free space go?
I have installed CentOS 5.7 64 Bits in my server which has 4x300 GB SAS drives on hardware RAID 10. At the installation, I chose default partitions.
Here are the commands output:
[root@server ~]# ...
1
vote
2answers
341 views
Dell MD3000, MD1000 and 2950
I have a Dell 2950 with MD3000, MD1000 ; Suddenly the I have lost all drives on both of the enclosures and all drives on the MD3000/1000 are blinking, but only ONE Light on each disk, not 2 Lights.
I ...
3
votes
1answer
122 views
External SAS cable or adaptor with 90 degree plug
We have an HP tape autochanger mounted in a rack, but it's so deep that with the external mini-SAS cable plugged in we cannot close the rear rack door - if we did we'd crush the SAS cable well beyond ...
0
votes
2answers
79 views
Which SAS Cable is required for to connect SAS drive to RAID controller
I have two 2.5" SAS drives which have a SFF-8482 connector. I also have an LSI 9211-8i controller card, as well as a TYAN motherboard with a SAS controller. Both of these controllers use the SFF-8087 ...
1
vote
2answers
95 views
Adding nearline SAS disks to a controller with SAS disks
I have a Dell Poweredge 840 server that currently has a pair of hot swappable 146Gb SAS disks attached to a SAS 5IR controller, configured as RAID 1.
I have two spare slots to add two add more ...
0
votes
1answer
109 views
Dedicated server - do SAS disks make a noticeable difference? [closed]
Possible Duplicate:
What are the merits of SAS vs SATA drives?
I am running a linux centos dedicated server. Basic specs are a Intel Dual Core Xeon X3065with 2GB ram and 2 x 160GB Sata ...
4
votes
4answers
262 views
SAS Expanders for DIY JBOD Arrays
I am researching making a DIY SAS array much like the Dell MD1000. My understanding is that these devices do not contain a RAID controller, instead they present all the drives on in SAS domain to the ...
8
votes
2answers
182 views
Are branded backplanes useable without specific controllers?
I can't find a disk enclosure which I like, so I'm going to build a custom one (if nothing else, that'll teach me to be picky...). I've got a few HP SAS backplanes lying about, but I'm wondering if ...
0
votes
2answers
140 views
HP P411 Storage Controller not recognized during boot
it's me again :( I've asked a question here a few minutes ago ( HP B110i controller not seeing storage array. Any ideas? )
Turns out I was wrong, and there IS a P411 controller built in, I verified ...
0
votes
3answers
345 views
HP B110i controller not seeing storage array. Any ideas?
We got a new HP ProLiant DL160G6 with internal P410 SAS controller, and an additional B110i SAS controller with external ports that is supposed to connect to the HP Storageworks D2600 Drive Array we ...
1
vote
3answers
163 views
So you really can push a SATA2 disk into a SAS backplane?
There's only one SAS, right? Serial attached SCSI?
The female connectors:
SATA2 looks like: ------------| |-------
And SAS looks : ------------+-+-------
For me, the SATA2 male connector looks ...
0
votes
1answer
61 views
ATTO SAS-attached RAID 5 array performance issues on Server 2003
We have an ATTO R380 SAS RAID controller in a Windows Server 2003 HP DL-160 server with 8 700GB Seagate 7200.12 drives.
It's configured as a RAID 5 array. ATTO Config says all drives are healthy and ...
-1
votes
1answer
58 views
IBM EXP3000 SAS rack
A couple of weeks ago one of my EXP3000 SAS Racks was not found by the server. Also, all the Amber fault LED lit, on every disk.
Today, this also happened on my other EXP3000 after a reboot - Could ...
0
votes
2answers
202 views
Rule of thumb: SATA for storage & serving static content, SSD/SAS for databases?
The question says it all. But, is it true? Can someone explain what's the differentiating factor here (how one type of disk is better than another for a specific purpose)?
(FYI, I've tried searching, ...
1
vote
3answers
152 views
SATA Raid 10 vs SAS Raid 1
I need to setup a small dedi for a few VPS. Obviously the more IO, the merrier. Given these condition, what would you choose? 2 SAS 15k disks in Raid1, or 4 SATA 7.2k in raid 10?
Would the answer ...
1
vote
2answers
136 views
Can we “add” more SAS ports to an existing backplane?
We have a 3U Supermicro chassis with 16 bays on a SAS expander backplane. We have 15 of the bays occupied with hard drives at the moment. We would like to add two more drives to the backplane, but we ...
2
votes
2answers
314 views
SAS drive to SAS/SATA backplane then SATA cables to SAS/SATA RAID card?
I just got a Supermicro chasis:
http://www.newegg.com/Product/Product.aspx?Item=N82E16816101241
That has a backplane that supports SAS and SATA drives but the backplane has SATA ports to be ...
2
votes
1answer
242 views
Linux Multipath + SAS Array, “device errors” are logged to dmesg for passive paths? Possible to stop this?
I have two OpenSuSE 11.4 hosts connected to an LSI CTS2600 storage array via SAS. Every time I reboot the hosts, I see in dmesg output like
[ 255.942890] end_request: I/O error, dev sdg, sector ...
0
votes
0answers
54 views
SAS controller wont recognize 3.5 drives
I have put a SAS controller ( RocketRAID 2642 ) in a Dell PowerEdge T100. I need to read some Maxtor Atlas 3.5" drives as JBOD.
The drives will not recognize in the controllers BIOS and therefore ...
1
vote
1answer
204 views
Replacing a PERC S300
The PERC S300 card that came with our Dell PowerEdge T110 servers is Windows only (see here). As a result, we're looking for an alternative that works under Linux.
We had planned to use software RAID ...
1
vote
1answer
115 views
HP P410i as online spare
Is it possible to have dual P410i SAS controllers and use one for a online spare? I am fairly new to HP servers and I will be setting up a new G7 for production use.
I have been reading about HP's ...
0
votes
1answer
526 views
Dell R910 with Integrated PERC H700 Adapter
I am in the process of designing an architecture based around a single Dell R910 server running Windows Server 2008 Enterprise.
I would like the server to have 8 RAID1 pairs of spinning disks, so I ...
1
vote
2answers
222 views
Using an SAS Expander with a SAS Controller of a different brand
I'm planning on assembling a server, and I'm just wondering if a SAS expander by IBM (such as this one) would allow me to use the RAID and other features (Battery-backed write-back caching) of a SAS ...
3
votes
6answers
905 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 ...
2
votes
4answers
2k views
SAS or SATA for 3 TB drives?
We are looking to purchase new 3 TB enterprise-grade drives and can buy either SAS or SATA models.
AFAIK, SAS generally gives better performance than SATA, but searching for benchmarks I found ...
2
votes
1answer
1k views
Are 6Gb/s SAS drives compatible with 3Gb/s SAS interfaces?
Are SAS 3Gb/s controllers (SAS1) forward compatible with newer SAS2 drives specified at 6Gb/s? The controller I have in mind is an LSI SAS1064. I know that SAS2 controllers are backwards compatible ...
