Questions tagged [direct-attached-storage]
46 questions
77
votes
5 answers
What is the difference between SAN, NAS and DAS?
What is the difference between SAN, NAS and DAS?
sevugarajan
8
votes
1 answer
How to install ZFS on Dell Poweredge server and Dell disk array without using the RAID controller
How to set up ZFS using a Dell Poweredge and disk arrays (DAS).
I am completely new to this and have the following questions:
Does the RAID card need to be configured? (e.g. virtual device)
Do I need to turn the RAID card off in BIOS?
How does the…
Darthtrader
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8
votes
4 answers
What Makes Cloud Storage (Amazon AWS, Microsoft Azure, google Apps) different from Traditional Data center storage networking (SAN and NAS)?
Some confusion because of my question so to make it simple :
"What kind of storage do big cloud providers use and why?"
As far as i understand, however I am not able to find any kind of official Storage networking differences between typical data…
Berkay
- 431
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- 18
6
votes
3 answers
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. What I'm having trouble finding information on…
Eric C. Singer
- 2,329
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5
votes
2 answers
What are the options for attaching DAS units greatly exceeding 62TB Virutal Disks max size limit on vSphere 6.0/6.5?
Our new DAS unit is on the horizon and I'm looking for the best way to configure the storage.
We currently use vSphere 6.0 but will have to upgrade to 6.5 when Update 1 is released as all HDDs in the new DAS are 512e (sector size is 4096 emulated…
Bart C
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4
votes
2 answers
DAS vs SAN storage for serving 2 to 4 nodes
We currently have 4 Linux nodes with local storage, arranged in two active/passive pairs with storage mirrored using DRBD, running virtual machines (actually using Xen Hypervisor) for typical hosting workloads (mail, web, a couple VPS, etc.). We're…
Luke404
- 5,826
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3
votes
2 answers
High Availability on DAS HPE
Anyone who can assist me?
I currently have a DL360 Gen9 HPE server Directly attached to HPE MSA 2040 device (DAS). I now need to ensure HA on the server level, is it possible to have FO cluster (Hyper-V) on this platform without introducing a Fiber…
Msemane
- 31
- 3
3
votes
2 answers
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 to take the connection from the DAS -> SAS…
Hunter Brelsford
- 119
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3
votes
1 answer
VMware with the HP MSA70
I would like to build a new smallish VMware cluster - only two nodes will ever be used.
I have previously seen references to shared direct attached storage. That would dramatically push down the price point. Instead of going with an MSA2000 or a…
Tim Brigham
- 15,545
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3
votes
4 answers
Can I keep the data on my Raid 1 drives if I move them to a new Raid controller?
I have a couple of servers I'm about to decommission and they each have 2 raid 1 drives. I want to take these drives and put them in a DAS but I am told that I will lose the data because the raid controllers will change.
Is it true that even with…
XORRRRR
- 31
- 1
3
votes
1 answer
Software to repliacte data in a Cluster Shared Volume in real time from DAS attached to Server 2k8 R2 HyperV cluster to an identical setup?
Are there any software solutions that will be able to handle replicating the data from one SAS based DAS (a Dell MD3200) attached to two R410 servers running clustered Server 2008 R2 Hyper V instances in a co location data center to another MD3200…
Chris Magnuson
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2
votes
1 answer
Figuring out how storage is configured to Hyper-V cluster
I am presented with a Windows Server 2016 Hyper-V cluster (2 nodes) and the nodes are connected to an HP MSA 2040 storage (SAN?) with direct fiber connection.
I am trying to figure out how the connection to the storage is configured but I don't get…
Jozef Woo
- 119
- 3
- 14
2
votes
2 answers
How does does a Dell MD12XX DAS appliance show up on a server
I have a Dell PowerEdge Server with a HW RAID controller and a 12Gbs HBA SAS Storage adapter. I'm are looking to add more storage for backup/archiving purposes. I'm looking at using the MD1200 or MD1220 to support that role as opposed to a NAS…
Wanderer
- 21
- 1
2
votes
1 answer
Are Dell PowerVault MD3200 EMMs compatible with the MD1200 chassis/midplane?
I have a Dell MD1200 chassis with PSUs, and I have yet to buy the EMM units. I was wondering if I could buy the MD3200 EMMs and have it function as an MD3200 or if I have to buy the MD1200 EMMs. I would assume the chassis/midplane would be the same…
Colton Fussy
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- 4
2
votes
1 answer
VMWare Setup with 2 Servers and a DAS (DELL MD3220)
I am planning to use a VMWare based setup consisting of two VMWare servers (2 CPU, 256GB Memory) and a DAS (DELL MD3220 with 24x900GB disks). The virtual machines will be half running MS SQL databases (Application, Sharepoint, BI) and the other half…
KKK
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