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 STATE READ WRITE CKSUM
pool2 ONLINE 0 0 0
c7t10d0 ONLINE 0 0 0
NAME STATE READ WRITE CKSUM
pool1 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c3t2d0 ONLINE 0 0 0
c3t1d0 ONLINE 0 0 0
c3t3d0 ONLINE 0 0 0
c3t4d0 ONLINE 0 0 0
c3t5d0 ONLINE 0 0 0
We found that pool1 is more slow than pool2, even with the same number of disks.
So, which is better between RAID5 + ZFS and RAIDZ + ZFS?
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