Hello Colin,
I set a couple of ZFS options a day or two ago, and have bee playing videos
to see if we still have the problem. The options I set were:
o zfs set xattr=sa storage
o zfs set xattr=sa storage/vault
o zfs set ralatime=on storage
o zfs set ralatime=on storage/vault
We've pl
root@hetty:/home/crlb# blockdev --getpbsz /dev/sdb
512
root@hetty:/home/crlb# blockdev --getpbsz /dev/sdc
512
root@hetty:/home/crlb#
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https://bugs.launchpad.net/bugs/17258
Hello Colin, I have a couple more screen shots showing the raw
performance of both drives; the first using 512MiB as you suggested and
the second with a larger sample and using the dd commands
status=progress option to monitor for pauses. Also in the second ss, I
performed the test on an iso file f
** Attachment added: "raw device and zfs performance on a larger sample."
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1725859/+attachment/5114648/+files/dd-2.png
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Hello Colin,
Thank you for responding. To Answer your questions:
1. I have two external drives, sdb and sdc, in USB 3 Orico enclosure. The
drives are mirrored.
2. Atom D525 with 4GiB RAM. The attached screenshot shows "vmstat 5 5" output
while VLC is playing a movie. It shows 1.5GiB of fre
Just updated to:
root@hetty:~# apt list --installed | awk '/zpool|zfs/'
libzfs2linux/artful-updates,now 0.6.5.11-1ubuntu3.2 amd64 [installed,automatic]
libzpool2linux/artful-updates,now 0.6.5.11-1ubuntu3.2 amd64 [installed]
zfs-zed/artful-updates,now 0.6.5.11-1ubuntu3.2 amd64 [installed,automatic]
Public bug reported:
Updated to artful (17.10) yesterday. Trying to read (play video) from mirrored
ZFS disks from an external USB 3 enclosure. Zpool is defined as:
root@hetty:/home/crlb# zpool status
pool: storage
state: ONLINE
scan: resilvered 20K in 0h0m with 0 errors on Fri Oct 20 18:3
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