Linked Questions

28
votes
9answers
22k views

Reliability of ssd drives

The main advantage of SSD drives is better performance. I am interested in their reliability. Are SSD drives more reliable then normal hard drives? Some people say they must be because they have no ...
19
votes
4answers
2k views

SSD head / cylinder / cluster details

A customer of ours makes industrial robots that run on very old, but stable, hardware and software. The only bottleneck has always been the hard drive in these moving machines. Due to constant ...
11
votes
2answers
8k views

Third-party SSD solutions in ProLiant Gen8 servers

I was wondering if anyone had any specific experience using Intel DC3700 SSDs (or similar) in the HP (DL380p) Gen8 servers? I'm upgrading a set of database servers that use direct-attached storage. ...
10
votes
3answers
998 views

HP storage arrays - multiple channels?

Our SQL server is becoming pretty heavily loaded, and all indications point to the disk channel being the bottleneck. The current HP server has a fairly low-end array card, and we're looking to ...
4
votes
3answers
1k views

Why do servers have SAS instead of SSDs? [closed]

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 ...
17
votes
3answers
4k views

How effective is LSI CacheCade SSD storage tiering?

LSI offers their CacheCade storage tiering technology, which allows SSD devices to be used as read and write caches to augment traditional RAID arrays. Other vendors have adopted similar ...
8
votes
1answer
2k views

VMware ESXi SSD on RAID showing as non-ssd

I am replacing a KVM server with a ESXi server. I just installed ESXi 5.5u1 and added a data store. The new server has 4 SSD drives in RAID 6 using hardware RAID. When I added the data store VMware ...
3
votes
4answers
587 views

Suitability of DL380p-Gen8 + D2700 for SQL 2012 Standard Edition

A question for those who know about HP server performance and SQL... I am trying to spec a suitable server that has the following requirements: Run SQL 2012 Standard Edition (I cannot get approval ...
3
votes
3answers
900 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. ...
2
votes
4answers
172 views

Is there a way to read SMART attributes for drives in a SAN?

We are running an SSD array in a SAN, and the performance is great. But we need to monitor the write endurance SMART attributes so that we can determine when the drives are close to wearing out. We ...
1
vote
1answer
1k views

HP SSD on ProLiant DL360p Gen8 p420i controller - no TRIM?

We have a HP Proliant Dl360 Gen8 server with the 420i 2Gg disk controller. (646905-421) we have a couple of the HP Gen8 200GB 6G SAS SLC SSDs (653078-B21), (they run in RAID1) We run Debian6 on this ...
2
votes
2answers
322 views

RAID 0 InnoDB speed - Comparing 8 x 7,200 RPM drives or 4 x 15,000 RPM drives

I am planning to set up a RAID array for scratch space use in a computational server (16 cores, 128 GB RAM). The users will routinely be creating large (500GB) MySQL InnoDB databases and storing these ...
0
votes
3answers
266 views

Server periodically freezing - Help Stabilizing [closed]

We run an asp.net/sql server data collection website with a hand full of clients dumping data in and running reports. We moved to a new server (specs below) and have had issues with it freezing and ...
4
votes
1answer
108 views

Measuring SSD wear out behind LSI MegaRAID controller?

I'm trying to find out how to measure the total bytes written (or a percentage of maximum expected, either is fine) for a few RAID arrays behind LSI controllers. The controllers are all LSI MegaRAID ...
3
votes
1answer
87 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 ...

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