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It depends on the storage you're using. Run tests with write-through, no cache, and write-back modes, and choose the one that provides the best performance. Ideally, one of the first two would be better for safe reasons.

I've a DL20 with MR216 and 2 SSD NVME in RAIDZ-1 and it is very fast. A DL325 with MR416 and 4 SSD NVME in RAIDZ-10 is fast, but not as DL20 A ML350 with MR408 and 2 SSD NVME in RAIDZ-1 has bad 4k random performance If you use ZFS raid with these controllers, the very big problem is that you...

With san, we have found that Write Throught has the best performance and is it the safest cache mode.

For a Widows vm, do i need to resize the guest partition before shrink volsize?

Interesting! Could you provide some more info on the configuration?

Reverting to kernel 5.15 does not fix the problem. May be related to qemu and not to the kernel?

I've the same experience on two server, ML380 G9 and ML160 G10. All worked fine until i've upgraded from 7.2 to 7.3 and kernel 5.19, then the vms randomly freeze with 100%cpu usage. Now i've revert to kernel 5.15, i report back if this fixes the freezes

Ok thanks, i need to create a new role with all audit permission ans Sys.syslog

Hello, i'm trying to setup a zabbix server to monitor my proxmox server, all works fine with api token with PVEAuditor permission except for the cluster/log api. It works only if i add PVEAdmin permission to api token, with only APIAuditor it report an empty array

Ok thanks, so .chunk and the others hidden folders still remain in root namespace

Hi, i have 2 pve server and 1 pbs server, now all backups are stored in the root namespace. Can i create two new namespaces e move historical backups in it? for example move vm 100,101,102 in namespace server1 and the others in server5

Have you tried this? https://kb.msp360.com/standalone-backup/general/vss-error-8194 Are there other softwares that make use of shadow copy? mssql dump or similar

Same problem here with Intel Xeon Silver 4210R, guest with Windows 2022, q35 and tpm It crash about once a week

Hi, i've build a server with proxmox 7, hp DL360 Gen10 with e208e-p controller and i've connected to a san MSA1050 with mini sas cables. The san has a radi 10 with 6 sas 10k hdd But the performace seems very slow... One controller path write at 55MB/s and the other write at only 8MB/s Anyone...

The cause seems the cpu flag hv-tlbflush, whitout this all works fine

Same problem here with a HP ML370 G5, i've fixed setting OS Type to "Vista / 2008"

Hello, i've an hp p2000 combo iscsi/fc connected over iscsi to two hp dl180 Now, i want to switch to fc to increase performance. I suppose to buy two hp q82 and direct connect to P2000, someone has experience about a similar situation?

I expected better performance for my iscsi san, but i think that 50mb/s is the raid speed for a read/write operation. If i copy a file from my linux node to a virtual machine, the transfer rate is 75 mb/s. I suppose that this speed is a limit for a raid 50 with 8 sas disks. I don't know if a...

Hello, i've an hp p2000 iscsi/fc combo connected with iscsi with an hp dl180 with two dedicated nics. The san has 8 disks in raid 50. I've configured the san with two different subnets for multipath. I've created a guest with Windows 2008 R2 on an LVM disk using virtio driver. I've tried to...