All Questions
Tagged with ssd hardware-raid
27
questions
1
vote
0
answers
78
views
Adaptec ASR-6805T can create raid from ssd only?
I'm about to move my Proxmox home server from NAS to RAID 10. I'm a hardware RAID fan, so I chose a solution among inexpensive old controllers. In the course of studying budget solutions for the home, ...
- 63
0
votes
1
answer
443
views
HP DL360e Gen 8 b320i raid controller with any linux distro not detecting RAID with SSD
I would need some help with an HP DL360e to install ssd's using the b320i raid controller. I prefer using the controller over software raid, unless I really have to.
I tried the latest Debian and ...
- 119
0
votes
1
answer
183
views
Flash Crucial SSD firmware through PERC 730P Mini RAID controller
We've got a number of Crucial drives in Dell r630 servers with PERC 730P Mini RAID controllers that need their firmware updating as they're still on version M3CR032 with the known issues.
The servers ...
- 103
0
votes
1
answer
675
views
HDD vs SSD for mongodb database server
I am setting up a physical server for an application that we have developed, the purpose of this server is to run the server's own software and store its database (mongodb).
On the server machine we ...
- 3
0
votes
0
answers
1k
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How does RAID0 affect IOPS performance for NVMe SSDs?
I have an application which needs to read large amounts of small and randomly distributed entries from storage. To improve the performance I am considering to install a specialized hardware RAID ...
- 135
2
votes
3
answers
2k
views
Slow Single Thread Performance on Dell R620 and Windows Server 2019
I recently purchased some new to me r620 servers for a cluster. Mostly they will be doing heavy database transactions, but generally they will have Hyper-V vms doing a variety of work. It was during ...
- 123
2
votes
2
answers
2k
views
Hardware RAID array using PCIe based storage? (M.2 / U.2 / full PCIe slot)
Is there currently a mechanism for constructing a hardware RAID array using storage devices that have a full-size PCIe slot, PCIe M.2, or PCIe U.2 bus interface, such as SSDs?
It is extremely ...
- 755
3
votes
2
answers
893
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Low random read IOPs for 5 SSDs in hardware RAID5 setup
We have 5 Toshiba Px04Srb192 SSDs (270K random read IOP as per spec), setup in hardware Raid5. Running fio is giving 250K IOPs which is much below what I was expecting.
/fio --randrepeat=1 --...
- 31
1
vote
0
answers
334
views
Questions regarding PostgreSQL virtualization
I have not experience on planning PostgreSQL on virtualized nor physical server environments so I need to get some advice how to do things correctly. We have two identical servers and we need to make ...
- 11
0
votes
1
answer
627
views
Using Samsung 850 PRO on Lenovo System with hardware raid (e.g. x3100 M5 5457EHG) [closed]
Having made quite a market research (price, location, availability, specs) i ended up choosing Lenovo System x3100 M5 combined with two Samsung 850 PRO Series 1TB to be set on a raid 1. Now before i ...
- 13
6
votes
1
answer
5k
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How is LSI FastPath different from Software RAID?
This question pertains to SSDs on RAID levels without parity (like RAID 0, 1, 10).
The recommended settings for FastPath are to set the Write Policy to Write Through, Read Policy to No Read Ahead and ...
- 422
0
votes
1
answer
2k
views
What are the Pros & Cons of Software RAID vs Hardware RAID of 4xSSD(512Gig) in RAID10?
I'm getting this server: Supermicro SuperServer 6018R-TDW
It comes with this motherboard: Supermicro X10DDW-i
I've decided going with 4xSSD(512Gb) in a RAID10.
My server is busy with a demanding ...
- 145
4
votes
3
answers
21k
views
What are the pros & cons of 4xSSD(512Gig) in a RAID10 vs. 2xSSD(1Tb) no RAID?
Lots of read and write operations that my current setup of 4xSAS15k drives in RAID10 is having made me think of a new fast storage.
My server is busy with a demanding database, lots of pages, php ...
- 145
1
vote
1
answer
827
views
Dell H700 SSDs and HDs in different RAID groups?
I am about to purchase a Dell R610 and use a H700 RAID controller. I was wanting to add 2 X SSD (480G) RAID 1, and 2 X HD (2TB) RAID 1. In reading over the manuals I saw:
SSDs require the PERC 6/i or ...
- 203
6
votes
1
answer
11k
views
Trim support in Hardware RAID (Perc H700)
We are about to order a dell R610 with a H700. We were thinking of using 2 X Samsung 850 Pro 512Gb drives in RAID 1.
The question is does the Perc H700 support TRIM in hardware RAID 1? The answers I ...
- 203
8
votes
4
answers
23k
views
Samsung 840 Pro SSDs in a Dell R720
We have a MySQL database server running on an Dell PowerEdge R720 (PERC H710 Mini RAID controller) ( (Ubuntu 12.04).
We're considering upgrading the 2 x 146GB 15k SAS drives to Samsung 840 Pro SSDs.
...
- 551
1
vote
1
answer
3k
views
Windows Server 2012 and recognizing RAIDed SSDs as an SSD
Problem:
Because defragmenting is detrimental to SSDs and decreases their performance/lifespan, its important that modern OS's use TRIM instead of defragmentation. If an SSD is incorrectly recognized ...
- 123
5
votes
2
answers
4k
views
How to update SSD Firmware on RAID Controllers
Got some servers with RAID Controllers and SSD.
Raid Controller: LSI MegaRaid 9271-4i
SSD: Intel 520
The MegaRaid controllers have the ability to update drive firmware using MegaCLI.
Intel for ...
- 11.1k
-1
votes
1
answer
741
views
How to test is hardware ssd-cache work?
We have server with hardware raid controller (Adaptec ASR71605Q).
It has 10 sas HDD, 2 SSD for cache and 1gb onboard cache ram.
On server installed ESXi. On ESXi I'm start Linux, create 2Tb disk for ...
3
votes
2
answers
802
views
Is file system alignment required on hardware-raid with SSDs?
We are building a raid-10 with LSI 9260-4i + 4 x Intel DC S3500 SDDs.
Partition alignment
From what I understand I need to start fdisk with -H32 -S32 or Ted T'so variant with -H224 -S56 in order to ...
- 105
3
votes
2
answers
4k
views
SSDs, Hardware RAID, and TRIM
I was told by my datacenter that all HW raid, specifically the LSI 9260-4i hardware RAID controller, does not support SSD TRIM command.
My question is, are there severe longevity/speed issues due to ...
- 337
1
vote
1
answer
142
views
Removing and re-adding a raid drive
Lets say I remove a drive from a RAID array on a HA server for a period of time then re-add it. Is there a way to limit the rebuild to a diff of what has changed since it was pulled, or does it have ...
- 257
0
votes
2
answers
9k
views
Software for RAID Failure Alerts?
I have two 256 GB Samsung 840 Pro SSD disks in a RAID 1 array. I would like to receive a notification if one of the disks in the array fails. Can anybody recommend an application I can install on the ...
- 395
6
votes
2
answers
4k
views
LSI 9260-8i w/ 6 256gb SSDs - RAID 5, 6, 10, or bad idea overall?
We're provisioning a new production server for our reasonably busy website. Our choice of host have available a 6 drive configuration with a LSI 9260-8i card.
My initial thought was to fill all six ...
- 145
4
votes
1
answer
367
views
Dell 2950 - Can I mix SSD with spindle HDDs?
I have a Dell 2950 with a Perc 5/i controller inside it. I don't want to spark a debate about drive types and which is "better" etc etc. Just simply;
I would like to put in 2x Cheetah 15.5k SAS ...
- 4,212
1
vote
1
answer
1k
views
What's the difference between Adaptec's "maxCache" and "Hybrid RAID" technologies?
http://www.adaptec.com/en-us/_common/maxcache/
http://www.adaptec.com/en-us/_common/hybrid-raid/
They sound similar, but there's no detailed description of how either of them work.
3
votes
1
answer
1k
views
2x SSD's in RAID1 for MySQL server
I'm in need to upgrade my MySQL machine, as currently I am running 2x SATA 7200rpm drives in RAID0. This of course is quite dangerous incase one of the drives fails.
As I do not need too much storage ...
- 1,471