近來發現一個proxmox備份的問題
就是當guest os的hd過大時(目前觀察是500G以上)
若備分使用壓縮往往會不成功
尤其是在備分設備只支援1G的環境下
而且都是備分到一半guest os就不正常關机了 (進度不一定)
log如下

110: Feb 28 00:42:37 INFO: status: 51% (127682347008/250059350016), sparse 23% (59749072896), duration 994, 238/225 MB/s
110: Feb 28 00:42:50 INFO: status: 52% (130099838976/250059350016), sparse 23% (59900887040), duration 1007, 185/174 MB/s
110: Feb 28 00:44:06 INFO: status: 53% (132779606016/250059350016), sparse 24% (60026957824), duration 1083, 35/33 MB/s
110: Feb 28 00:44:32 INFO: status: 54% (135066157056/250059350016), sparse 24% (60116475904), duration 1109, 87/84 MB/s
110: Feb 28 00:44:40 INFO: status: 55% (137644998656/250059350016), sparse 24% (60216111104), duration 1117, 322/309 MB/s
110: Feb 28 00:44:53 INFO: status: 56% (140127109120/250059350016), sparse 24% (60333727744), duration 1130, 190/181 MB/s
110: Feb 28 00:46:30 ERROR: VM 110 not running
110: Feb 28 00:46:30 INFO: aborting backup job
110: Feb 28 00:46:30 ERROR: VM 110 not running
110: Feb 28 00:46:37 ERROR: Backup of VM 110 failed - VM 110 not running

但在10G的情況到目前為止沒發現問題

找了一下forum有一些人反應這個問題
但好像沒有啥解法

目前看來就二個方法

1. 不要使用壓縮備分(備分出來的檔案會比較大)

2. 把所有設備升級到10G