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Hi all, I have 2 questions about ZFS. 1. I have create a snapshot in my pool1/data1, and zfs send/recv it to pool2/data2. but I found the USED in zfs list is different: NAME USED AVAIL REFER MOUNTPOINT pool2/data2 160G 1.44T 159G /pool2/data2 pool1/data 176G 638G 175G /pool1/data1 It keep about 30,000,000 files. The content of p_pool/p1 and backup/p_backup is almost same. But why is the size different? 2. /pool2/data2 is a RAID5 Disk Array with 8 disks, and , and /pool1/data1 is a RAIDZ2 with 5 disks. The configure like this: NAME...

...0 7.8G 0% /dev/shm tmpfs tmpfs 7.8G 817M 7.0G 11% /run tmpfs tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup tmpfs tmpfs 1.6G 0 1.6G 0% /run/user/995 tmpfs tmpfs 1.6G 0 1.6G 0% /run/user/1000 total - 185G 8.8G 176G 5% - # Does devtmpfs and tmpfs use underlying hard disk storage or does it uses Physical Memory (RAM). What is the purpose of devtmpfs which is mounted on /dev, tmpfs mounted on /dev/shm and so on and so forth. What is the difference between devtmpfs and tmpfs? I will appreciate if anyone can h...

...0 running 5.8 ( 64 bit ) I used 'arcconf' to create a big RAID60 out of (see below). But then I mount it and it is way too small This should be about 20TB : [root at solexa1 StorMan]# df -h /dev/sdb1 Filesystem Size Used Avail Use% Mounted on /dev/sdb1 186G 60M 176G 1% /mnt/J4400-1 Here is how I created it : ./arcconf create 1 logicaldrive name J4400-1-RAID60 max 60 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 18 0 19 0 20 0 21 0 22 0 23 noprompt [root at solexa1 StorMan]# ./arcconf getconfig 1 ld Controllers found: 1...

...celery tmp]# df -h Filesystem Size Used Avail Use% Mounted on /dev/hda1 9.7G 3.6G 5.6G 39% / none 379M 0 379M 0% /dev/shm /dev/hda4 17G 675M 15G 5% /home /dev/hda2 9.7G 360M 8.8G 4% /var /dev/hdb1 276G 176G 87G 68% /disk2 /dev/hdc1 276G 175G 87G 67% /disk3 /dev/sda1 276G 225G 37G 87% /media/usbdisk ------------------------------------------------------------------------------------------ -------------------------------------------------------------------------------...

Currently I''m trying to figure out the best zfs layout for a thumper wrt. to read AND write performance. I did some simple mkfile 512G tests and found out, that per average ~ 500 MB/s seems to be the maximum on can reach (tried initial default setup, all 46 HDDs as R0, etc.). According to http://www.amd.com/us-en/assets/content_type/DownloadableAssets/ArchitectureWP_062806.pdf I would

...read+0x0/0xc4 kernel: [<ffffffff80032870>] kthread+0x0/0x132 kernel: [<ffffffff8005dfa7>] child_rip+0x0/0x11 kernel: The /var/log/mcelog is empty. # df -h Filesystem Size Used Avail Use% Mounted on /dev/md1 20G 1.4G 18G 8% / /dev/md3 176G 754M 166G 1% /var /dev/md0 993M 30M 913M 4% /boot /dev/md2 263G 352M 250G 1% /home tmpfs 2.0G 0 2.0G 0% /dev/shm Does anybody please have an advice? :-( (Besides "contact or change" your hoster, because it doesn't work)....