Server build at work

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Darkfoxx
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Server build at work

Postby Darkfoxx » Tue Jul 28, 2015 3:35 pm

Just got done building this monster at work.

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Specs:
Intel Xeon E5-2620 v3 Haswell 2.4GHz LGA 2011-3 85W CPU
Supermicro MBD-X10SRL-F Server Motherboard
2x Samsung 16GB 288-Pin DDR4 SDRAM ECC Registered DDR4 2133 (PC4-17000) RAM (32 GB total)
4x Seagate ST2000DX001 2TB MLC/8GB 64MB Cache SATA 6.0Gb/s SSHDs
SeaSonic M12II 620 Bronze 620W ATX12V 80 PLUS BRONZE Certified Full Modular Active PFC Power Suppy
Chenbro 4U rackmount case
Supermicro CPU cooler
extra fans

All for the very low price of $1656.38. Consider that a prebuilt from Dell or HP would run you at the very least ~$2,779+.

Will be used as a VM host server (VirtualBox). I'll post HDD read/write speeds once I get the OS on it. Should be disgustingly fast...
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Bacon
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Re: Server build at work

Postby Bacon » Wed Jul 29, 2015 6:01 am

Don't a lot of servers now two CPUs? and are you gonna RAID those drives at all?

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Re: Server build at work

Postby Darkfoxx » Wed Jul 29, 2015 9:40 am

Bacon wrote:Don't a lot of servers now two CPUs?

Oh yeah for sure. We just don't need two CPUs. If we were hosting 10 VMs then yeah. The CPU I chose is 6 core, so it's plenty for ~3-4 VMs.

Bacon wrote:and are you gonna RAID those drives at all?

Yup. RAID 10 with btrfs filesystem.
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Re: Server build at work

Postby Darkfoxx » Wed Jul 29, 2015 4:13 pm

Alright, got the array built and the OS installed. A bit of info first:

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root@supernova:~# cat /proc/mdstat | grep md0
md0 : active raid10 sdc1[2] sda1[0] sdd1[3] sdb1[1]
root@supernova:~# btrfs filesystem show
Label: none  uuid: eb571799-665e-4c5b-8fe1-9b840601a55f
        Total devices 1 FS bytes used 1.03GiB
        devid    1 size 3.61TiB used 4.04GiB path /dev/md0p2

Btrfs v3.12
root@supernova:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/md0p2      3.7T  1.2G  3.7T   1% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
udev             16G  8.0K   16G   1% /dev
tmpfs           3.2G  920K  3.2G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none             16G     0   16G   0% /run/shm
none            100M     0  100M   0% /run/user
/dev/md0p2      3.7T  1.2G  3.7T   1% /home


Write:

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root@supernova:~# dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=dsync
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 6.48745 s, 166 MB/s


Read:

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root@supernova:~# dd if=/root/testfile of=/dev/null
2097152+0 records in
2097152+0 records out
1073741824 bytes (1.1 GB) copied, 0.737306 s, 1.5 GB/s


Cached and buffered reads:

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root@supernova:~# hdparm -Tt /dev/md0

/dev/md0:
 Timing cached reads:   23384 MB in  2.00 seconds = 11703.39 MB/sec
 Timing buffered disk reads: 1072 MB in  3.01 seconds = 356.15 MB/sec


Direct reads, no buffer cache:

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root@supernova:~# hdparm -Tt --direct /dev/md0

/dev/md0:
 Timing O_DIRECT cached reads:   2566 MB in  2.00 seconds = 1282.41 MB/sec
 Timing O_DIRECT disk reads: 884 MB in  3.01 seconds = 294.07 MB/sec


For comparison, here is a standard single mechanical drive:
Write:

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root@oldblackhole:/mnt/files# dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=dsync
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 82.2142 s, 13.1 MB/s


Read:

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root@oldblackhole:/mnt/files# hdparm -Tt /dev/sda

/dev/sda:
 Timing cached reads:   2218 MB in  2.00 seconds = 1109.75 MB/sec
 Timing buffered disk reads: 170 MB in  3.02 seconds =  56.36 MB/sec
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Bacon
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Re: Server build at work

Postby Bacon » Wed Jul 29, 2015 5:14 pm

yeah thats fast.

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Re: Server build at work

Postby Darkfoxx » Mon Aug 03, 2015 11:26 am

The web interface I use for VirtualBox (PHPVirtualBox)

phpvbox5.png
phpvbox5.png (30.02 KiB) Viewed 6170 times


Dat memory, dem cores!

After setting up bonded ethernet and adding a VM:

vboxupandrunning.png
vboxupandrunning.png (37.38 KiB) Viewed 6165 times
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Bacon
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Re: Server build at work

Postby Bacon » Thu Aug 06, 2015 9:25 pm

i assume that you uh need that much RAM?

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Re: Server build at work

Postby Darkfoxx » Fri Aug 07, 2015 9:57 am

Bacon wrote:i assume that you uh need that much RAM?

Yeah, gonna be 3 or 4 more VMs on here...each one getting anywhere from 4-8GB each.
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