Serial ATA (SATA or Serial Advanced Technology Attachment) is a computer bus interface for connecting host bus adapters to mass storage devices such as hard disk drives and optical drives. Serial ATA was designed to replace the older ATA (AT Attachment) standard (also known as EIDE), offering many ...

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39 views

65535 ATA errors: SSD about to die?

I am having a hard time to interpret the SMART report for this Corsair Neutron GTX SSD; not that I pretend SMART reports to be readable these days (and definitively not for SSDs)... ...
1
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1answer
111 views

Plextor SSDs don't work reliably in HP DL380p Gen8 servers

We recently purchased a few HP 380p G8 servers to add some VM capacity, and decided to add a pool of SSDs to our standard build, to create a "fast" RAID 1+0 array for some of our VMs that have higher ...
1
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1answer
45 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 ...
6
votes
1answer
282 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 ...
0
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2answers
20 views

SATA Drive order for unknown Ubuntu Distro with multiple partitions

We have a server that was being decommissioned and it was thought that all the data and services had been migrated to new systems. Instructions to our tech was to remove drives and prepare the system ...
1
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1answer
43 views

Optimize unused space in RAID5 due to bigger HDD in spare parts change

I have started with 3x250 GB SATA array, but the old HDDs failed one by one and when the spare parts came they where bigger disk inside and I recently ended up with 3 HDDs of 500 GB. I see ...
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1answer
94 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?
0
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2answers
139 views

How to replace SCSI with SATA or adapt SCSI to SATA drives

At first, I apologize for my question, but I am complete beginner. My friend gave me an old HP Proliant DL385 server which was replaced in bank, where he works, by newer stuff. Because of privacy, ...
2
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1answer
155 views

HP SATA Hot Plug Activity Light & B120i Array Controller

The activity rings on both of my hot plug drives rotates continuous (they are in RAID 1 configuration). The drive status on both is solid green. Is this normal? The iotop command is showing no ...
1
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1answer
891 views

Server 2012 R2 - Locked HD

HP Proliant Microserver Gen8; Server 2012 R2; Three 1TB SATA Harddrives, two arrays: 1 Raid 0 OS drive, 2 Raid 1 Data drives "The drive where Windows is installed is locked. Unlock the drive and try ...
0
votes
2answers
35 views

What limits a Device not to detect multiple LUNs behind a single target?

What limits a Device not to detect multiple LUNs behind a single target? What is required to make this possible in broad perspective? I want to know if there are any limitations in SAS/SATA or SCSI? ...
2
votes
1answer
513 views

Xen SATA PCI Passthrough to Ubutnu DomU not recognising disks

I have a Xen 4.1 server with a Debian Wheezy 7.4 Dom0 (hmpyxen01). It has a SATA PCI card that I am passing through to an Ubuntu Precise 12.04 DomU (hmvmtmp01), installed via xen-tools which in this ...
10
votes
1answer
2k views

Performance Difference SAS vs. SATA?

Can not find that anywhere it seems. What is the expected performance difference in a storage backend scenario that is heavily parallellized in access (like a SAN, Virtualization host storage etc.) ...
1
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3answers
722 views

Can Dell PE 1950 with SAS Controller take SATA drive? [closed]

I am a programmer (not an expert hardware engineer) trying to build a small hadoop cluster at home (at a cheaper price point) for processing some datasets of interest. I am getting these Dell PE ...
0
votes
1answer
67 views

HyperV Eject passthru disk while VM is running

I have a disk that I need to connect as a pass thru for one of my guest OSes, sbs 2011. The guests internal backup program will backup to the disk, which I'm planning to attach to the VMS SCSI ...
2
votes
1answer
776 views

HP ProLiant with SATA/SAS Drives

I Currently have a DL350 G5. I have 4 74GB SAS drives in RAID that work fine but I tried to add a 1TB WD RED SATA drive for some storage and the RAID controlling isn't giving me an option to create a ...
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2answers
205 views

Remove sata drive while running?

I have a hyperv 2012 r2 server, and the case has two bays where you can open a drawer and slide in a bare SATA drive. Theres a data and power connector at the back of the bay with cables to connect ...
0
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0answers
64 views

SATA III HDDs not working on SATA II RAID HBA

I would appreciate any help with this. We have Sunfire x4275 disk server with Sun StorageTek SAS RAID HBA and trying to get working these disks: WD RE 4TB Enterprise SATA III (WD4000FYYZ) Sun RAID ...
1
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2answers
308 views

Portable SAS Drive (USB/Thunderbolt Interfacing)? [closed]

I have a few spare 2.5" HP SAS SSDs sitting around and collecting dust for about 2-3 years now. They were used for about 1 day in another project that ended rather abruptly. I now have a need to ...
0
votes
3answers
103 views

Attaching SATA device disturbs boot order

I'm running a Supermicro X7DCA board in a NAS server. Whenever I plug in a sata disk the boot sequence goes out of order. This is a problem, because it is running headless. I've had this problem ...
0
votes
1answer
1k views

Using SATA III SSDs for ZFS pools

I'm thinking of building a ZFS server optimized for random access (PostgreSQL database). I figured that I have 2 options: Use pools consisting of the Crucial M500 960 GB SATA III SSDs. Enterprise ...
0
votes
0answers
63 views

ML310 Gen8 SATA Controller losing settings

We have purchased a couple of ML310 Gen8 with Sata Drives. They have both lost their raid controller setting. We just have to go back in and set the drive back to the array and all is fine. Anyone ...
0
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1answer
135 views

LSI Megaraid 150-6 as regular SATA controller

I have an old but reliable server board that does not have any SATA ports on it. Also i have LSI Megararaid 150-6 (with latest firmware) which i want to use as ordinary "dumb" SATA controller. I ...
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2answers
121 views

Options for SATA ports on motherboard for Files server [closed]

I am planning to build a big file server. (Windows or FreeNAS). I need at lease 300T of space. what options do I have to RAID all disks together? I mean on physical level what kind of connection ...
1
vote
1answer
932 views

Proliant DL320G5P, Embedded RAID controller: Windows installation shows phisycal disks, not logical drive

I am installing Windows 2012R2 on Proliant DL320G5P, with the Embedded SATA RAID controller. I have 4 disks, with two different RAID 1 (mirror) arrays. I have a "strange" situation: Windows ...
0
votes
1answer
94 views

Can proprietary SATA/SAS drives be used in a standard SATA controller

If I take SATA or SAS drives out of a Dell or HP server and install them in a different machine with a standard SATA or SAS controller will they still be readable? Obviously if they are part of a ...
0
votes
0answers
142 views

Sending a hard reset to a SATA drive

How can I force a reset (either a COMRESET reset or a hard reset) on a SATA drive directly connected to a Linux system.? Trying sg_reset doesn't work, nor does hdparm -w.
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5answers
1k views

Using Hot swap drive to backup on daily basis

Hot swapping and hot plugging are terms used to describe the functions of replacing computer system components without shutting down the system. In all the articles it was mentioned during some system ...
2
votes
2answers
208 views

Connecting SAS drives to Server which supports only SATA

Is there any adapter or connector available to connect a SAS drive to a Server having motherboard which supports only SATA drives. It is ok if can connect it for temporary. I need to transfer some ...
0
votes
1answer
163 views

Connecting SATA 3 to SAS port performance analysis

SATA 3 hard disk can be connected to SAS ports. But If i connect SATA 3 drive to a SAS port then can i get same speed as SATA 3 originally offers or will it be a difference? Will it reduce the ...
0
votes
3answers
549 views

Does software RAID-0 really improve performance?

I am going to lease a server and I have two options, SATA or SSD, I decided to save the money and go for the SATA option. But I do not need all that storage they are giving me! So I thought MAYBE I ...
0
votes
0answers
94 views

2950 internal backup SATA drive

We have a Dell 2950 II with 4 76GB drives in a RAID 10 configuration, running ESXi and 5 virtual machines. The RAID controller is Perc5/i. There is a low transaction rate, so this gives us minimal ...
0
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0answers
49 views

Will any SFF-8087 work with a IBM M1015 controller?

I'm planning on buying an IBM M1015 SATA controller (I'm going to run it in IT mode.) I was hoping to use something like this ...
3
votes
1answer
341 views

Using consumer grade hard drives in a server

My company needs to upgrade a couple of (very) old servers we are currently running, but we are kinda strapped for cash. We got a great offer on a pair of HP DL360 G6 servers, but the hard drive cost ...
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votes
1answer
70 views

What are the pros/cons of software raid made up disk connected over SATA and others over USB? [closed]

I would like to use RAID1 with 1 SATA disk and 2 USB disks PS: This is an ARM board (cubietruck) with only 1 SATA port and 2 USB ports. PS2: The OS boots from a SD card :) PS3: The setup does not ...
0
votes
2answers
127 views

Dell PowerVault MD1000 + PN939

I have a Dell PowerVault MD1000 with all hard drives damaged. I want to know if it is possible to replace the SAS drives with SATA drives + PN939 or similar interposer. I know that SATA drives are ...
0
votes
1answer
139 views

Beginner SAS and SAS2 speed expectations

We have one SAS backplane, without SAS expander, with 8 HDDs and we connect it to the motherboard with 2 SFF-8087 to 4 sas/sata cables. The motherboard supports SAS2 and the SSD supports SAS2. How ...
2
votes
1answer
148 views

Rack Storage - Backplane with 20 SATA connectors or backplane with 5 Mini SAS connectors?

I am comparing two rackmount server chassis (Norco RPC-4220 and Norco RPC-4020, FWIW), which are identical except for the backplane connectors. One has 20 SATA connectors and the other has 5 Mini SAS ...
1
vote
1answer
345 views

ZFS: SAS v SATA - does it matter?

I understand from NEC's white paper, Silent data corruption in disk arrays, that: some SAS drives should have a "T10-DIF" feature to detect silent data corruption; whereas "There is no standard for ...
0
votes
1answer
385 views

Can I use a RAID card with chipset SIL3124 with no driver?

I have a software RAID card with a SIL3124 chipset. (This one). As you configure the RAID via BIOS, is it possible to use this card with 3 disks (RAID 5) with any OS without installing any driver on ...
3
votes
1answer
205 views

FreeBSD 9.2 shows SATA3 drives as SATA2

I'm running FreeBSD 9.2 on an Intel S2600GZ server board with 4 Intel SSDs. Both the server board as well as the disks are SATA3 capable. However, FreeBSD seems to think they are SATA2. Nowhere in ...
1
vote
1answer
2k views

How to make Solaris rescan disk info after hotswap?

I'm running a SmartOS-based ZFS NAS, with a bunch of SATA disks directly connected to the logic board (no fancy disk controller / backplane or anything). A 1.5 TB disk in my zpool recently failed. ...
3
votes
1answer
2k views

What is a maximum useful length of SATA/SAS cable

The server in question is DELL PowerEDGE SC1435. I am thinking about buying a LSI 1068e based card with two internal SFF-8087 ports. I intend to use the machine with external multiple hard disk ...
2
votes
2answers
2k views

What does Embedded SATA Controller : ATA mean?

I have a Poweredge R510 server with a PERC H700 Integrated RAID controller that is exhibiting slower than expected disk speeds (RAID 1 and RAID 10 arrays) and I'm looking at the configuration of the ...
0
votes
0answers
26 views

AHCI and hotplugging

How do I know when a SATA AHCI controller supports hotplugging (for servers running Linux)? Apparently, whether AHCI is enabled or not doesn't mean everything. Can I query the driver in /sys for ...
1
vote
1answer
479 views

HP ProLiant DL180 G6 SSD upgrade (sata 3)?

We've currently got a HP ProLiant DL180 G6 server with a Smart Array P410i raid card, and 8 HDDs running off it. We also just bought a new SATA Intel SSD drive to expand the server, that we're ...
12
votes
5answers
3k views

ZFS best practices with hardware RAID

If one happens to have some server-grade hardware at ones disposal, is it ever advisable to run ZFS on top of a hardware-based RAID1 or some such? Should one turn off the hardware-based RAID, and run ...
1
vote
1answer
666 views

hot plug sata to ESXi 5 server

Is it possible to hot plug an eSATA drive to an ESXi 5 server? I'm exploring backup solutions and hoping to hot add a datastore, copy my VM's over, then hotunplug.
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1answer
125 views

SAS SCSI Converter [closed]

I recentely bought a Seagate Cheetah 146GB SAS ST3146755SS 10K Performance 15K RPM Hard Drive from EBAY and do have a computer that supports SAS. The problem is that I need to convert it into a SATA ...
3
votes
3answers
130 views

How to connect SATA disks to copy large amounts of data from them to HP server running CentOS 6

We have an HP Proliant DL320e running CentOS 6. We will get SATA hard disks with data in the formats NTFS, FAT, HFS and HFS+ from which we would like to copy the files to the server (read-only), ...