4
votes
3answers
1k views

Why do servers have SAS instead of SSDs? [on hold]

I was wondering why do servers still come with SAS disks instead of SSD disks? I know that SAS are faster than normal hard drives but they are still much slower than SSDs. I think they are more ...
0
votes
1answer
275 views

Upgrade to 3x Samsung SSD EVO in RAID-0 — what type of RAID controller to search for? [closed]

My current configuration is a RAID-0 with three conventional 2TB hard drives. I want to upgrade to three 1TB SSD EVO disks, also in a RAID-0 configuration. Using SiSoftware Sandra, I found out that ...
0
votes
1answer
571 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
1answer
190 views

PCIe SSD vs SSD vs SAS - which is best for Database?

Since I am going on shipping soon I wonder which generally will mostly boost the database performance ? The bridge question is - which will boost mostly a database which having a lot of random block ...
1
vote
1answer
185 views

Using both expanders in HP D2700

I am considering purchasing an HP D2700 for use with SSDs (Samsung Pro 840's), for use in realtime playback of high resolution images. The D2700 has two I/O modules (which I assume are the actual SAS ...
1
vote
1answer
580 views

RAID 10 over RAID 5 when using SSDs

I am considering implementing an iSCSI shared storage array using SATA SSDs instead of the 15k RPM SAS drives we normally purchase. We normally use RAID 10 because of spindle contention with the ...
2
votes
1answer
756 views

Third-party SSD in Proliant g8?

Anyone having success with third-party SATA or SAS drives with Proliant G8's? I know the G7's were flaky and had BIOS issues. We're looking for real-world success stories with particular brands and ...
2
votes
3answers
2k views

PostgreSQL server: 10k RPM SAS or Intel 520 Series SSD drives?

We will be expanding the storage for a PostgreSQL server and one of the things we are considering is using SSDs (Intel 520 Series) instead of rotating discs (10k RPM). Price per GB is comparable and ...
3
votes
4answers
4k 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
3answers
1k 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 ...
3
votes
1answer
374 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 ...
0
votes
2answers
516 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, ...
0
votes
3answers
803 views

SSD Performance for PHP?

My programmer just built an application with PHP using Doctrine ORM (will be a high traffic social networking website), and it's very heavy in PHP/Apache and CPU. The queries are wonderfully fast, and ...
0
votes
1answer
197 views

Scale a highly transactional SQL server

I’m looking to upgrade one of my site servers. The site currently executes around 20m sql queries a day and this is growing quite fast. Right now IO throughput is a real issue, so my idea is to move ...
1
vote
1answer
858 views

Does the PERC 5/i Integrated controller support SATA II/III?

I have a refurb 2950 with a PERC 5/i Integrated controller. Currently, there are 4x 3.5" SAS drives in use, with two slots available. I want to add two SSDs (using a 3.5" ICY dock) in RAID1 in the ...
1
vote
2answers
1k views

SAS vs SSD Performance

Hi does anyone have any input on how a SAS 15k RPM drive would perform compared to a sata based SSD drive, assuming its using the latest verison of sata. These drives would be in a 4 drive raid 10 ...
1
vote
2answers
676 views

SATA SSD in Dell Server

I have a Dell R815 (PDF LINK), which has 6 2.5" bays. I would like to put some Intel X25-E in the spare bays, but have been cautioned that they may not fit since they are SATA and the bays are ...
0
votes
3answers
299 views

Type of Storage for VMware View Implementation

We're doing a virtual desktop pilot and I was wondering what kind of SAN storage is commonly used. I've heard conflicting reports of SAS/SATA disks or even SSD or large read/write cache settings. ...
0
votes
2answers
2k views

SSD seems dead after wakeup from Windows Sleep, BIOS stalls but doesn't find it anymore

The morning, the following scary scenario happened: I woke up my Windows system Typed in my username and got an error (something like "could not load security xxx", but unsure of exact wording) ...
2
votes
6answers
2k views

“Raid 0 SAS” versus “2nd generation SSD”

i was planning to buy a SAS system made of two 15k RPM disks in Raid 0 configuration to give a boost to my s.o. and my apps... but after i saw that article on Coding Horror, i've started to thinking ...
1
vote
2answers
2k views

connecting SATA SSDs to SAS

Is there any performance loss when connecting a SATA SSD to a SAS controller? Edit: Assume the controller doesn't have SATA connectors and I use a SATA to SAS interposer. Will there be any performance ...
2
votes
2answers
1k views

OK to replace 2 SAS HDs with 2 SATA II SSDs on PE2900?

Is it OK to replace 2 SAS HDs with 2 SSDs on a PE2900 with a PERC 5/i Integrated RAID controller? In both cases, the drives are configured as a RAID 1 system volume (OS and programs). In addition to ...