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Thanks for input guys. With current configuration i've disabled ZFS sync feature and fsync/s went to whopping 24000 (I know it's unsafe, just for the test). Apparently, I didn't feel 50x improvement nor at least 1.5x improvement. Like LnxBill I'd like to keep using zfs for to prevent from...

Do you think 4 SSD on Hardware RAID 10 will have better IOPS than ZFS striped mirror? Or overall better performance for database?

Hello, I need to know what should be need to get best IO performance from the server. Guests are Linux container running PostgreSQL and Windows server 2012 R2 running MSSQL. Here is my server specs: CPU: Xeon E5 2620v4 RAM: 64 GB DDR4 ECC First I've tried ZFS striped mirror (raid 10 equivalent...

When checked for zpool status, I've realized my log and cache disk name has been changed from "sda" to device's full name, say ata-samsung-ssd. So I've created new zfs cache with following command. zpool set cachefile=/etc/zfs/zpool.cache rpool Then once I rebooted everything is working as it...

Hello, Everyone. My production server shutdown unexpectedly. Then when I rebooted my ZFS pool was missing and I imported manually. Proxmox boot up and VM are running fine. However, LXC containers are not starting. Log file shows this. lxc-start 1467859119.691 INFO lxc_start_ui -...