NVME Worth it?

T

tvdh

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Feb 10, 2023
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6
Hi,

Do people here have experience with shared hosting on sata SSD vs NVME PCIE SSD?

Currently we are running some servers with 8x SATA enterprise SSD in raid 10, running hyper-v or proxmox. At all servers there are about 10 - 15 VM's with Directadmin totalling arround 700-800 websites. Most of them are running Wordpress or Joomla. Some sites are busy, some dont.
Performance is good.

We dont see any big latency or iowait, also disk utilization is not very high. Does NVME improve something or dont we notice the change?

Thanks!

Tim
 
we have few raid1 with 2x3.8 nvme and raid1 with 2x1.9sata ssd with proxmox too.
but nvme with Ryzen5950x 128ram and sata ssd with dual e5-2680v4 512ram
there nvme backup speed:
INFO: 95% (1.6 TiB of 1.7 TiB) in 1h 54m 7s, read: 182.1 MiB/s, write: 161.3 MiB/s
INFO: 96% (1.6 TiB of 1.7 TiB) in 1h 55m 46s, read: 176.2 MiB/s, write: 155.7 MiB/s
INFO: 97% (1.6 TiB of 1.7 TiB) in 1h 57m 31s, read: 166.0 MiB/s, write: 148.9 MiB/s
INFO: 98% (1.6 TiB of 1.7 TiB) in 1h 59m 3s, read: 188.1 MiB/s, write: 167.3 MiB/s
INFO: 99% (1.6 TiB of 1.7 TiB) in 2h 33s, read: 194.4 MiB/s, write: 169.0 MiB/s
INFO: 100% (1.7 TiB of 1.7 TiB) in 2h 2m 14s, read: 170.9 MiB/s, write: 147.5 MiB/s
INFO: backup is sparse: 96.33 GiB (5%) total zero data
INFO: transferred 1.66 TiB in 7334 seconds (237.4 MiB/s)
INFO: archive file size: 1.10TB
INFO: Finished Backup of VM 100 (02:02:14)
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there sata ssd backup speed:
INFO: 95% (190.1 GiB of 200.0 GiB) in 39m 51s, read: 79.2 MiB/s, write: 78.0 MiB/s
INFO: 96% (192.0 GiB of 200.0 GiB) in 40m 17s, read: 77.1 MiB/s, write: 75.9 MiB/s
INFO: 97% (194.1 GiB of 200.0 GiB) in 40m 46s, read: 71.1 MiB/s, write: 70.0 MiB/s
INFO: 98% (196.0 GiB of 200.0 GiB) in 41m 13s, read: 75.1 MiB/s, write: 73.9 MiB/s
INFO: 99% (198.1 GiB of 200.0 GiB) in 41m 41s, read: 75.2 MiB/s, write: 74.1 MiB/s
INFO: 100% (200.0 GiB of 200.0 GiB) in 42m 8s, read: 72.3 MiB/s, write: 72.3 MiB/s
INFO: backup is sparse: 8.66 GiB (4%) total zero data
INFO: transferred 200.00 GiB in 2528 seconds (81.0 MiB/s)
INFO: archive file size: 156.67GB
INFO: Finished Backup of VM 5311 (00:42:08)
------
you can compare with your 8 sata in raid 10.
in out case of course nvme wins, but there CPU much faster :)
 
@tvdh "also disk utilization is not very high" - what exactly not very high? usually we orienting to "top" "wa"(waits) it must be lower than 1, at ideal lower than 0,1
 
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