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04-27-2017 02:32 AM - edited 04-27-2017 02:34 AM
04-27-2017 02:32 AM - edited 04-27-2017 02:34 AM
i just put 2pcs of Samsung SSD 850 Evo 250 GB... i use raid 1+0... i'm only getting
Read Speed: 230MBps
Write Speed: 20 mbps...
how can i make it faster?
Solved! Go to Solution.
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04-27-2017 02:38 AM
04-27-2017 02:38 AM
Re: HP proliant DL380 G5 with Smart Array P400 read/write speed very slow with SSD
Hi,
This server officially does not support Samsung SSD.
Compatible sdd below.
HP 60GB 3G SATA 2.5in MDL 1y Wty SSD 572071-B21
HP 120GB 3G SATA 2.5in MDL 1y Wty SSD 572073-B21
Erdogan.
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04-27-2017 03:11 AM
04-27-2017 03:11 AM
Re: HP proliant DL380 G5 with Smart Array P400 read/write speed very slow with SSD
i dont have budget to buy new SSD now... is there any chance that the read/write speed will incread? like something with the array controller or bios?
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04-27-2017 04:23 AM
04-27-2017 04:23 AM
Re: HP proliant DL380 G5 with Smart Array P400 read/write speed very slow with SSD
Hi,
You can just set the control card's cache module read / write speed.
Erdogan.
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04-27-2017 04:33 AM
04-27-2017 04:33 AM
SolutionA couple of comments here.
1. The Samsung SSDs have SATA interface. The P400 runs the SATA interface at SATA I, 150MB/s so that's the most you can get from theses SSDs.
2. The i/o to the server is done between the server and the P400 so the limiting factor here is the P400 and not the disks. I might expect some inprovement but not a lot.
3. Does the P400 have cache memory and if so is some of it configured as write cache? If you have no cache or no write cache configured on the P400, that would explain the 20mbps write speed (unless there is a typo).
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