Azure

Azure LS 系列上的臨時磁碟

  • March 1, 2019

我對 LS 系列 Azure VM 上的臨時磁碟有點困惑。由於 nvme 磁碟提供的高 iops 和吞吐量,我想為客戶推薦 L32s_v2 系列 vm,但有一個問題。如果 vm 從門戶停止,則 nvme 磁碟上的所有數據都將被刪除。這是一個嚴重的風險,因為我不能將它用於 sql server 數據庫文件

eckes是正確的,您不能將 NVMe 磁碟用於持久性數據庫。

目前,Premium SSD 將是數據磁碟上 IOP/吞吐量的最佳選擇。Ultra SSD現在在 East US2處於預覽階段。


+----------------+---------------------------------+------------------------------------------------+----------------------------------------------------------------+-----------------------------------------+
|                |       Ultra SSD (preview)       |                  Premium SSD                   |                          Standard SSD                          |              Standard HDD               |
+----------------+---------------------------------+------------------------------------------------+----------------------------------------------------------------+-----------------------------------------+
| Disk type      | SSD                             | SSD                                            | SSD                                                            | HDD                                     |
| Scenario       | IO-intensive workloads          | Production and performance sensitive workloads | Web servers, lightly used enterprise applications and dev/test | Backup, non-critical, infrequent access |
| Disk size      | 65,536 gibibyte (GiB) (Preview) | 4,095 GiB (GA), 32,767 GiB (Preview)           | 4,095 (GA) GiB, 32,767 GiB (Preview)                           | 4,095 GiB (GA), 32,767 GiB (Preview)    |
| Max throughput | 2,000 MiB/s (Preview)           | 250 (GA) MiB/s, 750 MiB/s (Preview)            | 60 MiB/s (GA), 500 MiB/s (Preview)                             | 60 Mib/s (GA), 500 MiB/s (Preview)      |
| Max IOPS       | 160,000 (Preview)               | 7500 (GA), 20,000 (Preview)                    | 500 (GA), 2,000 (Preview)                                      | 500 (GA), 2,000 (Preview)               |
+----------------+---------------------------------+------------------------------------------------+----------------------------------------------------------------+-----------------------------------------+

引用自:https://dba.stackexchange.com/questions/230326